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Download the latest issue (#636) of the Peak-of-Flight Newsletter in PDF format so you can print it out for your rocketry collection.

In this issue you'll find:

How to create a 4-stage Rocket Design in RockSim

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This page is a listing of the feature articles from each issue.

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Full Chronological Peak of Flight Archive

Newsletter PDF Newsletter HTML Date Filesize

Categories

Issue #636 HTML #636 10/08/24 2.2 MB

How to create a 4-stage Rocket Design in RockSim

Issue #635 HTML #635 09/24/24 2.3 MB

Three Seconds into the Future

Issue #634 HTML #634 09/10/24 1.9 MB

Debugging RockSim Files

Tim's Messy Desk Update (PDF Only)

Issue #633 HTML #633 08/27/24 2.0 MB

Laser-Cut Stencil Lettering

Issue #632 HTML #632 08/13/24 1.4 MB

Molding Helicopter Blades - Part 2

Issue #631 HTML #631 07/30/24 1.7 MB

Molding Helicopter Blades - Part 1

Tim's Messy Desk - July 30, 2024

Issue #630 HTML #630 07/16/24 1.1 MB

My Experience Papering Fins

Issue #629 HTML #629 07/02/24 1.6 MB

Basics of Rocket Aerodynamics Optimization

Issue #628 HTML #628 06/18/24 1.8 MB

Build a Vacuum Chamber to Test Altimeter Accuracy

Issue #627 HTML #627 06/04/24 2.0 MB

Checklist for Dual Deployment in High Power Rocketry (Part 2)

Issue #626 HTML #626 05/21/24 1.8 MB

Checklist for Dual Deployment in High Power Rocketry (Part 1)

Issue #625 HTML #625 05/07/24 2.0 MB

What Happened to the “Maximum Recommended Lift-Off Weight?”

Issue #624 HTML #624 04/23/24 2.3 MB

Picking Propellant Types from Aerotech and Cessaroni

Issue #623 HTML #623 04/05/24 1.8 MB

What Size Launch Field Do You Need?

Issue #622 HTML #622 03/26/24 1.8 MB

New Features of Rocksim v11

Issue #621 HTML #621 03/12/24 1.6 MB

Conical Parachutes

Issue #620 HTML #620 02/27/24 910 KB

Launch Rod Whip and Solutions

Issue #619 HTML #619 02/13/24 1.5 MB

Raster Graphics vs. Vector Graphics

KSR-420S (KSR-I) Rocket Plan

Issue #618 HTML #618 01/30/24 3.2 MB

Calculating Fin Flutter Velocity for Complex Fin Shapes (Part 2)

Issue #617 HTML #617 01/16/24 1.8 MB

Calculating Fin Flutter Velocity for Complex Fin Shapes (Part 1)

Tim's Messy Desk

Issue #616 HTML #616 01/02/24 1.3 MB

The Future of A.I. in Model Rocketry

Issue #615 HTML #615 12/19/23 2.2 MB

Fin Flutter Analysis Revisited (Again)

Triffid Rocket Plan

Issue #614 HTML #614 12/05/23 1.3 MB

Working with Fins and Transitions in RockSim

Tim's Messy Desk

Issue #613 HTML #613 11/21/23 1.6 MB

Model Rocket Helicopter Hub Design

Issue #612 HTML #612 11/07/23 1.4 MB

Exploring the Visual Design Differences Between Sport & Scale Model Rockets

Rear Eject Fatman Plan

Issue #611 HTML #611 10/24/23 1.3 MB

Simulating Flip-out Fins using the Launch Visualizer

Jack-O-Lantern decal set

Issue #610 HTML #610 10/10/23 2.4 MB

How Long Should an Engine Mount Tube Be?

Annularity Rocket Plan

Issue #609 HTML #609 09/26/23 1.1 MB

Development of the Draco BG

Tim's Messy Desk: September 2023

Issue #608 HTML #608 09/12/23 686 KB

RockSim Tips: Accounting for Weight Differences

Issue #607 HTML #607 08/29/23 1.4 MB

Corkscrew Parachute Descents (And what to do about them)

Escape Velocity Plan (PDF Only)

Issue #606 HTML #606 08/15/23 2.3 MB

Zephyr Repair After a Motor CATO

Issue #605 HTML #605 08/01/23 1.6 MB

Learnings From The World SpaceModeling Championships 2023 - Part 1

Tim's Messy Desk Update (PDF Only)

Issue #604 HTML #604 07/18/23 1.5 MB

Learnings From The World SpaceModeling Championships 2023 - Part 1

Issue #603 HTML #603 07/04/23 1.5 MB

Selecting Batteries for Rocket Electronics

Issue #602 HTML #602 06/20/23 2.1 MB

Getting Started in Rocketry

4th of July Rocket Decoration (PDF Only)

Issue #601 HTML #601 06/06/23 2.0 MB

Different Methods for Protecting Your Parachute

Tim's Messy Desk Update (PDF only)

Issue #600 HTML #600 05/23/23 1.6 MB

Kitbashing a Model Rocket in the Style of ILM

Issue #599 HTML #599 05/09/23 1.5 MB

How to Design Airbrakes in a Sounding Rocket

Eiffel Tower Plan (PDF Only)

Issue #598 HTML #598 04/25/23 1.5 MB

Creating & Using Engine Files for Rocksim

Issue #597 HTML #597 04/11/23 1.7 MB

Displaying your Completed Rocket

Q&A with Tim on Apogee's History

Issue #596 HTML #596 03/28/23 1.3 MB

Terminology Used in Dual Deployment Recovery

Issue #595 HTML #595 03/13/23 2.2 MB

Why You Should Never Judge an Engine by its Engine Code

pi-Day Special: Euler's Revenge Rocket Plan

Issue #594 HTML #594 02/28/23 2.1 MB

15 Ways to Increase the Stability of Your Rocket

Issue #593 HTML #593 02/14/23 2.1 MB

NARCON Manufacturers' Forum

Tim's Messy Desk Update (PDF only)

Issue #592 HTML #592 01/31/23 2.3 MB

Tip-To-Tip Fiberglass Your Rocket

Issue #591 HTML #591 01/17/23 2.7 MB

Shock Cord Material Selection

Minotaur Rocket Plan

Issue #590 HTML #590 01/03/23 1.9 MB

Painting Tips

Issue #589 HTML #589 12/20/22 2.5 MB

Making Durable Curved Fins

Tim's Messy Desk Update (PDF only)

Issue #588 HTML #588 12/06/22 1.9 MB

Glue Selection and Application Technique

Issue #587 HTML #587 11/22/22 1.5 MB

How to Ground Test a Dual Deployment Altimeter

Issue #586 HTML #586 11/07/22 2.4 MB

Barriers to the Growth of Model Rocketry

Aerobee 170 Plan

Issue #585 HTML #585 10/25/22 1.6 MB

Creating the Gliding Parachute System

Issue #584 HTML #584 10/11/22 1.6 MB

How to Repair a Hole in Your Fiberglass Rocket

Issue #583 HTML #583 09/27/22 1.3 MB

Motor Options for Clustered Rockets

Issue #582 HTML #582 09/13/22 1.9 MB

How to Grow the Hobby of Model Rocketry

Friendly Phantasm rocket plan

Issue #581 HTML #581 08/30/22 2.3 MB

Making Carbon Fiber Nosecones with a 3D Printed Mold

Tim's Messy Desk

Issue #580 HTML #580 08/16/22 1.8 MB

Maximum “Spill Hole” Size in Low Power Rocket Parachutes

Issue #579 HTML #579 08/02/22 2.4 MB

Picking Motors with the Launch Visualizer

Issue #578 HTML #578 07/19/22 1.6 MB

Upgrading Low Power Rocket Kit Parachutes

Issue #577 HTML #577 07/05/22 1.8 MB

Handling Delicate Spread-Tow Carbon Fiber

Issue #576 HTML #576 06/21/22 1.8 MB

Comparing Rocket Motors

Tim's Messy Desk

Issue #575 HTML #575 06/07/22 1.5 MB

Chute Release or Dual Deployment?

Issue #574 HTML #574 05/24/22 2.3 MB

Testing Drag Brakes on TARC Rockets

Issue #573 HTML #573 05/10/22 1.9 MB

Installing a Shock Cord in Low-Power Rockets

Issue #572 HTML #572 04/26/22 2.0 MB

How to Determine Time Delay for Staging

Sledge Hammer Rocket Plan

Issue #571 HTML #571 04/12/22 2.3 MB

Chrome Plated Fins Add Dazzle & Increase Visibility of Your Rockets

Issue #570 HTML #570 03/29/22 2.4 MB

DIY Aluminum Thrust Plate Fabrication

Detailing the Flying Machine

Issue #569 HTML #569 03/15/22 2.0 MB

Basics of Vacuum Bagging Fins

Issue #568 HTML #568 03/01/22 1.4 MB

How to Get More Rocketeers in the Hobby

Issue #567 HTML #567 02/15/22 3.0 MB

Triggering Events in RockSim with Fake Rocket Engines

Launch Visualizer is Here!

Issue #566 HTML #566 02/01/22 2.2 MB

Adapting a Camera Tripod for a Rail Launcher

Issue #565 HTML #565 01/18/22 2.2 MB

Rocketry Research and Development Achievements During Covid

Issue #564 HTML #564 01/04/22 2.3 MB

Alternative to a Traditional E-Bay Install

Issue #563 HTML #563 12/21/21 1.7 MB

Designing and Building for SuperSonic Flight

Issue #562 HTML #562 12/07/21 3.0 MB

The Latest Rocketry Innovations From Around the World

Ring-O Rocket Plan

Issue #561 HTML #561 11/23/21 1.5 MB

Build the S4A Scissors wing, Flop-Tip Rocket Glider Design

Issue #560 HTML #560 11/09/21 2.0 MB

Experience the World Spacemodeling Championships Pt. 2

Issue #559 HTML #559 10/26/21 1.8 MB

Experience the World Spacemodeling Championships Pt. 1

Issue #558 HTML #558 10/12/21 1.7 MB

How Rocketry Opens Doors for Students

Issue #557 HTML #557 09/28/21 2.4 MB

Educational Resources at Apogee Components

Issue #556 HTML #556 09/14/21 1.4 MB

Creating a New Rocket Kit

Issue #555 HTML #555 08/31/21 1.3 MB

Model Rocket Replaceable Fin System

Issue #554 HTML #554 08/17/21 1.8 MB

How 3D Printing Allows Extreme Rocket Designs

Issue #553 HTML #553 08/03/21 1.7 MB

On the Altitude of Max Q

Starting Your Electronics Journey

Mini Nike Smoke Free Plan

Issue #552 HTML #552 07/20/21 1.6 MB

RockSim Pro vs RockSim

Issue #551 HTML #551 07/06/21 1.7 MB

Building the Mk 82 "Snake Eye"

Issue #550 HTML #550 06/22/21 1.7 MB

Suggestions for High Rate of Launches at Big Events - Part 2 of 2

Issue #549 HTML #549 06/08/21 1.5 MB

Suggestions for High Rate of Launches at Big Events - Part 1 of 2

Issue #548 HTML #548 05/25/21 1.6 MB

Launching My Career at Apogee - Christopher Texler

Hermes II Scale Model Rocket Plan

Issue #547 HTML #547 05/11/21 1.6 MB

Troubleshooting Your RockSim Designs

Issue #546 HTML #546 04/27/21 1.6 MB

Ejecting Two Parachutes for Recovery of Two Separate Rocket Parts

Issue #545 HTML #545 04/13/21 1.4 MB

Using the Stability Graph Overlay in RockSim

Issue #544 HTML #544 03/30/21 1.5 MB

Graphing Simulation Data

Issue #543 HTML #543 03/16/21 2.3 MB

Altimeter Venting

Issue #542 HTML #542 03/02/21 1.6 MB

How to Build a Mesh Parachute

Issue #541 HTML #541 02/16/21 1.5 MB

OSIRIS-REx and Other Great NARCON Presentations

Issue #540 HTML #540 02/02/21 1.5 MB

Basics of Soldering and Electrical Wiring

Issue #539 HTML #539 01/19/21 1.8 MB

Student Rocketeers Sending CubeSATs to Space: Part 2

Issue #538 HTML #538 01/05/21 2.0 MB

Online Resources to Prepare for Launch

Issue #537 HTML #537 12/22/20 1.7 MB

Plastic Model Conversion

Issue #536 HTML #536 12/08/20 1.3 MB

Ace the Exam - The New Level 2 Certification

Issue #535 HTML #535 11/24/20 1.4 MB

2021 in SpaceFlight

Issue #534 HTML #534 11/10/20 1.7 MB

A History of Motor Analysis & ThrustCurve.org

Expand your Toolkit with a Makerspace

Issue #533 HTML #533 10/27/20 1.3 MB

The Reality of an Amateur Orbital Rocket

Issue #532 HTML #532 10/13/20 1.4 MB

Student Rocketeers Sending a CubeSat to Space

Issue #531 HTML #531 09/29/20 1.4 MB

The Spool Chute: Low Cost Deployment?

Issue #530 HTML #530 09/15/20 1.4 MB

Making Airfoiled Fins on a CNC Machine

Issue #529 HTML #529 09/01/20 1.3 MB

Understanding Your Rocketry Membership Insurance

Issue #528 HTML #528 08/18/20 1.4 MB

The Silo Launch System

Issue #527 HTML #527 08/04/20 1.9 MB

Which Starter to Use for your Rocket Motors?

Green Vortex Rocket Plan

Issue #526 HTML #526 07/21/20 1.4 MB

Use a Rocket to Collect and Study Airborne Particles

Issue #525 HTML #525 07/07/20 1.7 MB

Tie-Dye Finish for Rockets

Issue #524 HTML #524 06/23/20 3.1 MB

The DSP Flying Model Rocket

Issue #523 HTML #523 06/09/20 2.6 MB

The Crew Dragon - A Milestone in American Spaceflight

Build your own Falcon 9 with the Crew Dragon Capsule

Issue #522 HTML #522 05/26/20 1.5 MB

Perfecting Competition Rockets in RockSim

Issue #521 HTML #521 05/12/20 1.8 MB

The New Features of Rocksim V10

Build your own Falcon 9 with the Crew Dragon Capsule

Issue #520 HTML #520 04/28/20 1.5 MB

Venting Ejection Charges

Selecting Ejection Delays

Issue #519 HTML #519 04/14/20 1.8 MB

How to Pick the Right Retainer

Solar Grapple Rocket Plan

Issue #518 HTML #518 03/31/20 1.5 MB

Choosing Rocket Kits for Young Modelers

Issue #517 HTML #517 03/17/20 1.4 MB

The NARTREK Program

Issue #516 HTML #516 03/03/20 1.7 MB

Do You Need a Permit to Fly Model Rockets?

The Sagittarius A* Rocket Plan

Issue #515 HTML #515 02/18/20 1.3 MB

A Beginner's Guide to Thrust Vectoring

Issue #514 HTML #514 02/04/20 1.7 MB

Fillets in Model Rocketry

Cygnus Rocket Plan

Issue #513 HTML #513 01/21/20 1.3 MB

H2O2 Liquid Engine

Issue #512 HTML #512 01/07/20 1.5 MB

Guide Chute for Smaller Rockets

Issue #511 HTML #511 12/24/19 1.8 MB

Little Joe 6 Scratch Built Cardstock Rocket

Issue #510 HTML #510 12/10/19 1.6 MB

Compression Tests of Tubing Used in Rocketry

Standard Missile Rocket Plan

Issue #509 HTML #509 11/26/19 1.8 MB

Hassle Free Fin Sealing Press

Launch Controller Modification

F-1 Starfighter Plans

Issue #508 HTML #508 11/12/19 1.7 MB

The Guillotine...More than a Fin Jig

Alliance Raider Rocket Plan

Issue #507 HTML #507 10/29/19 1.4 MB

Modifying a Saturn V to Fly on a 38mm Motor

Issue #506 HTML #506 10/15/19 1.4 MB

Building Custom Tubes for Scale Models

Issue #505 HTML #505 10/08/19 1.6 MB

The "Mars" Parachute

Issue #504 HTML #504 09/17/19 1.5 MB

Teaching Rocketry in Two Hours or Less

Issue #503 HTML #503 09/03/19 1.8 MB

Rocket Launch Photography

Issue #502 HTML #502 08/20/19 1.4 MB

How to Scale a Model Rocket from a 3D Model

Issue #501 HTML #501 08/06/19 1.6 MB

Is it Safe to Fly?

Issue #500 HTML #500 07/23/19 1.9 MB

A Retrospective History of the Peak-Of-Flight Newsletter

Issue #499 HTML #499 07/09/19 1.1 MB

How to Scale up a Rocket Plan

Issue #498 HTML #498 06/25/19 638 KB

How Windy is Too Windy for a Launch?

Issue #497 HTML #497 06/11/19 969 KB

How to Make Your Own Annular Parachute

Issue #496 HTML #496 05/28/19 860 KB

What Size Parachute Should I Use?

Issue #495 HTML #495 05/14/19 6.9 MB

Techniques for Challenging Paint Jobs

Issue #494 HTML #494 04/30/19 701 KB

The Hybrid Parachute

Issue #493 HTML #493 04/16/19 686 KB

Build Your Own Helicopter Parachute - Part 2

Issue #492 HTML #492 04/02/19 926 KB

Build Your Own Helicopter Parachute - Part 1

Issue #491 HTML #491 03/19/19 841 KB

Make a Multi-Gore, Apollo-Style Cloth Parachute

Issue #490 HTML #490 03/05/19 778 KB

Make a Modular Nose Weight System for Your Rocket

Issue #489 HTML #489 02/19/19 1.4 MB

Installing Rail Buttons On Your Rocket

Derivation of the Apparent Drag Coefficient

Issue #488 HTML #488 02/05/19 983 KB

Entering Custom Fins Into RockSim

Issue #487 HTML #487 01/22/19 889 KB

Convert an Umbrella Into a Rocket Parachute

Issue #486 HTML #486 01/07/19 903 KB

What do Model Rocket Engine Numbers Mean?

Issue #485 HTML #485 12/25/18 836 KB

Make your own Ringslot Parachute

Issue #484 HTML #484 12/11/18 1.4 MB

How to Measure Altitude More Accurately with Electronics

Issue #483 HTML #483 11/27/18 1.1 MB

Enhanced Stabilization Systems

Issue #482 HTML #482 11/13/18 1.1 MB

What Parts Can be Made by 3D Printing?

Issue #481 HTML #481 10/30/18 1.1 MB

So, You Want to Laminate a Composite Tube?

Issue #480 HTML #480 10/16/18 745 KB

How to Make Custom Decals

Issue #479 HTML #479 10/02/18 1.1 MB

How to Make An Ultra-Lightweight Carbon-Fiber Glider Boom

Issue #478 HTML #478 09/18/18 1.2 MB

Using Carbon Fiber to Reinforce Helicopter Blades

Issue #477 HTML #477 09/04/18 665 KB

How to Prepare for Your Own Apollo 11 Anniversary Celebration

Issue #476 HTML #476 08/21/18 1.1 MB

3D Printing Nosecones with RockSim

Issue #475 HTML #475 08/07/18 798 KB

Making Model Rockets From Rigid Foam Sheets

Issue #474 HTML #474 07/23/18 772 KB

Ejecting Rocket Motors in RockSim

Issue #473 HTML #473 07/10/18 950 KB

Building Your Own Motor Adapter

Issue #472 HTML #472 06/26/18 993 KB

Apogee History: Expanding and Moving in 2018

Issue #471 HTML #471 06/12/18 884 KB

What is the Optimum Engine Thrust Profile?

Issue #470 HTML #470 05/29/18 726 KB

What Barrowman Left Out

Issue #469 HTML #469 05/15/18 938 KB

Fiberglassing Inside Body Tubes: Part 2

Issue #468 HTML #468 05/01/18 842 KB

Catapulting A Rocket Skyward

Issue #467 HTML #467 04/17/18 916 KB

Fiberglassing Inside Body Tubes: Part 1

Issue #466 HTML #466 04/03/18 722 KB

What's up in the Sky?

Issue #465 HTML #465 03/19/18 779 KB

Building Your First Ebay: Part 2

Issue #464 HTML #464 03/07/18 706 KB

Building Your First E-Bay: Part 1

Issue #463 HTML #463 02/20/18 844 KB

Compact Baffle for a Short Rocket

Issue #462 HTML #462 02/06/18 633 KB

Model Rocket Stability

Issue #461 01/23/18 882 KB

Rocket Design Inspiration

Issue #460 01/09/18 975 KB

Simulating Drogueless Dual Deployment Rockets

Issue #459 12/26/17 1.2 MB

Analyzing V-2 Data

Issue #458 12/12/17 1.0 MB

Building a Rocketry Club

Issue #457 11/28/17 2.5 MB

A Guide to Optimal Altitude: Part 3

Issue #456 11/14/17 1.9 MB

A Guide to Optimal Altitude: Part 2

Issue #455 10/31/17 1.0 MB

A Guide to Optimal Altitude: Part 1

Issue #454 10/17/17 832 KB

A Competitive Analysis: Who Should You Buy Rockets From?

Issue #453 10/03/17 1.6 MB

TARC Flight Report Sheet

Issue #452 09/18/17 759 KB

Is Air Breathing Rocketry In Your Future?

Issue #451 09/05/17 763 KB

What is a Guide Chute?

Issue #450 08/21/17 812 KB

How to Build and Prep a Model Rocket for Paint

Issue #449 08/07/17 1.2 MB

How to Determine the Cd of a Parachute

Issue #448 07/24/17 709 KB

Filling Spirals and Seams

Issue #447 07/11/17 936 KB

The Different Rocket Recovery Techniques

Issue #446 06/27/17 920 KB

7 Common Mistakes People Make When Attempting A Level 1 Certification

Issue #445 06/13/17 758 KB

How To Select An Altimeter

Issue #444 05/30/17 755 KB

Removable / Replaceable Fin Can System

Issue #443 05/15/17 754 KB

Making A Custom Model Rocket Canopy

Issue #442 05/02/17 1.1 MB

What is the best fin shape for a model rocket?

Issue #441 04/18/17 925 KB

Phenomena of Rocket Exhaust Plumes

Issue #440 04/04/17 918 KB

Expandable-Foam Core Fins

Issue #439 03/21/17 838 KB

Rear Ejection Techniques

Issue #438 03/06/17 729 KB

Drag On Differing Rocket Shapes

Issue #437 02/21/17 892 KB

What's In A Range Box And Why

Issue #436 02/07/17 646 KB

Energy Conversion in Model Rockets

Issue #435 01/24/17 821 KB

Fabricating a Composite Transition for Boosted Darts

Issue #434 01/10/17 774 KB

Making Fiberglass Tubes - Part 4

Issue #433 12/27/16 757 KB

2016: A Year In Review

Issue #432 12/13/16 832 KB

Making Fiberglass Body Tubes for FAI Rockets - Part 3

Issue #431 11/29/16 1.1 MB

Making Fiberglass Body Tubes for FAI Rockets - Part 2

Issue #430 11/15/16 928 KB

Making Fiberglass Body Tubes for FAI Rockets - Part 1

Issue #429 11/01/16 1.1 MB

Repairing Broken Parachute Loops on Nose Cones

Issue #428 10/18/16 958 KB

A Comparison of Piston Launcher Technology

Issue #427 10/04/16 828 KB

Pushing Rocketry To the Extreme - The World Spacemodeling Championships 2016

Issue #426 09/20/16 1.1 MB

Parts of a Model Rocket

Issue #425 09/06/16 899 KB

Clearing Super Glue Nozzles

Straighter Decal Application

Spray Paint Decals

Internal Fillets

Engine Designation Marking

Issue #424 08/23/16 737 KB

How to Adapt a 3/16" Down to Fit a 1/8" rod

Wadding Protection

Hiding Wrap and Decal Overlays for Better Photos

Tri-fold Tip Mount

Lining Up Decals Down a Body Tube

Issue #423 08/09/16 783 KB

Building A Hatch-Accessible Ebay

Issue #422 07/26/16 692 KB

Toughening Balsa Nose Cones

Issue #421 07/12/16 757 KB

Achieving a glossy, even finish with spray paint

Issue #420 06/28/16 764 KB

Designing and Constructing Fins for Low-Powered Rockets

Issue #419 06/15/16 969 KB

Transition Sections for TARC Rockets

Issue #418 06/01/16 719 KB

What Causes Engine Mount Damage in Rockets with Stuffer Tubes?

Issue #417 05/17/16 774 KB

Prepping Kit Parts Before Assembly

Issue #416 05/03/16 940 KB

Converting a Rocket into Two-Stage Rear Ejection

Issue #415 04/19/16 992 KB

Launching an E-engine in a D-engine Rocket

Issue #414 04/05/16 1.0 MB

NARTREK Achievement Program

Issue #413 03/22/16 771 KB

Make Ultra Lightweight Fiberglass Nose Cones

Issue #412 03/08/16 887 KB

Analysis of Russian and Serbian Ultra Light Model Rockets

Issue #411 02/23/16 905 KB

Trapezoidal Fin Flutter Analysis Revisited

Issue #410 02/09/16 1.2 MB

How To Design Paper Ogive Nose Cones And Tail Cones (Part Two)

Issue #409 01/26/16 1.6 MB

How To Design Paper Ogive Nose Cones And Tail Cones (Part One)

Issue #408 01/12/16 937 KB

How To Design A Nose Cone Canopy

Issue #407 12/29/15 758 KB

A Year in Review

Issue #406 12/15/15 738 KB

Gluing In Engine Mounts

Issue #405 12/01/15 959 KB

Electronic Options For Staging Composite Motors

Issue #404 11/17/15 733 KB

Repairing Broken Fins

Issue #403 11/03/15 768 KB

British Helicopter Technology

Issue #402 10/20/15 4.4 MB

International Competition Gliders Events

Issue #401 10/06/15 1.2 MB

Making A Non-Pyro Dual Deployment Rocket

Issue #400 09/22/15 576 KB

Where Do You Get Rocket Design Inspiration

Issue #399 09/08/15 808 KB

Streamlining the Shaping of Airfoils Using a Laser Engraver

Issue #398 08/25/15 741 KB

The Effect of Blade Twist on Helicopter Descent

Issue #397 08/11/15 903 KB

The Effect of Blade Curvature and Angle-of-Attack on Helicopter Descent

Issue #396 07/28/15 768 KB

Styling Your Fins With Carbon Fiber

Issue #395 07/14/15 767 KB

What's Up at Apogee

Issue #394 06/30/15 1.5 MB

Make Your Own Enormous Competition Parachutes

Issue #393 06/16/15 1.7 MB

Design a Fixture to Conform to an Odd Shaped Nose Cone

Rocket Plan - Shrox "Sniple"

Issue #392 06/02/15 1.8 MB

The Process of Designing a TARC Egg-Lofting Rocket

Rocket Plan - Shrox Snackle

Issue #391 05/19/15 1.3 MB

Scratch Building a Rocket From Nothing But a Hard Cover Book

Issue #390 05/05/15 1.3 MB

Carve an Airfoil into a Glider Wing

Issue #389 04/21/15 1.2 MB

Turn a Payload Bay Into an E-bay for Dual Deployment

Issue #388 04/07/15 1.3 MB

Make Luminescent Rockets For Night Launches

Issue #387 03/24/15 1.4 MB

Fly-Away Rail Guides Revisited

Rocket Plan - Shrox DetlanX

Issue #386 03/12/15 1.3 MB

Retrofit an Engine Retainer To An Existing Rocket

Can you have through-the-wall fins on a minimum diameter rocket?

Make your own engine hooks

Issue #385 02/25/15 1.3 MB

How to Successfully Design and Build a Challenge Rocket

Issue #384 02/10/15 1.6 MB

How to Trick RockSim to Simulate a 4-Stage Rocket

Issue #383 01/28/15 1.3 MB

Simulating Rack Rockets in RockSim

Issue #382 01/13/15 1.4 MB

Multi-Staging Cluster-Engine Rockets

Issue #381 12/30/14 1.6 MB

Finding the Best Gyrocopter Blade Shape and Best Place to Attach the Blade

Issue #380 12/16/14 1.5 MB

The Top 5 Reasons Why Your Altimeter and Computer Simulations Don't Agree

Rocket Plan - Shrox Tarmon

Issue #379 12/02/14 1.4 MB

Finless Rockets Using Engine-Driven Gas-Dynamic Stabilization

Issue #378 11/18/14 1.2 MB

Adapting the Aerotech Universal Delay Drilling Tool

Issue #377 11/04/14 1.2 MB

Add a Continuity Light To Your Aerotech Launch Controller

Issue #376 10/21/14 1.4 MB

Deciding Which Nose Cone Shape To Use for a High Altitude Rocket

Rocket Plan - Shrox Bisix

Issue #375 10/07/14 2.0 MB

Development of a New and Simplified Rotor Hub

Issue #374 09/23/14 1.3 MB

Build a Better Piston Launcher

Issue #373 09/09/14 1.4 MB

What I got from Attending the World Space Modeling Championships

Issue #372 08/26/14 1.3 MB

Comparing A Cluster of Two Parachutes Versus One Parachute

Rocket Plan - Shrox Dark Matter Probe

Issue #371 08/12/14 1.1 MB

Fabricating Carbon Fiber Airframes, Part 2: Finishing

Issue #370 07/29/14 1.2 MB

Fabricating Carbon Fiber Airframes, Part 1: Preparation & Layup

Issue #369 07/15/14 1.3 MB

Fixing Warped Plywood Fins

Ejection Baffle Placement

Manufacturer vs Apogee Skill Levels

Caliber and Rocket Stability

Rocket Plan - Shrox XAM

Issue #368 07/01/14 1.1 MB

Preventing Tangled Shroud Lines

Issue #367 06/17/14 1.1 MB

Dr. Zooch Rockets - Igniting a Fire for Rockets and History

Issue #366 06/03/14 1.2 MB

Building a Better Baffle

Rocket Plan - Shrox Sea Snap

Issue #365 05/20/14 1.1 MB

Making an Ablative Nose Cone For Supersonic Flight

Issue #364 05/05/14 1.3 MB

Staging Composite Motors

Issue #363 04/22/14 1.9 MB

Make Centering Rings for Canted Motors

Rocket Plan - Shrox Shelax

Issue #362 04/08/14 1.3 MB

What Do You Need For Dual Deployment

Issue #361 03/25/14 1.5 MB

Selecting the Proper Size Drogue Parachute

Issue #360 03/11/14 2.6 MB

Find the Formula For A Parabolic Transition Section

Issue #359 02/25/14 1.1 MB

Comparing Scale Rockets to Scale Airplanes

Issue #358 02/11/14 1.0 MB

How To Get A Quick And Strong Composite to Composite Epoxy Joint

Issue #357 01/28/14 1.2 MB

Shaping Scale Fin Tapers

Issue #356 01/14/14 1.4 MB

Fixing Ill-Fitting Rocket Parts

Issue #355 12/31/13 1.4 MB

Aligning a Structural Paper Transition

Issue #354 12/17/13 1.8 MB

Simulating Cluster Parachutes in RockSim

Issue #353 12/03/13 1.5 MB

Improved Designs for the D-Engine Super-Roc Altitude Event

Issue #352 11/19/13 1.0 MB

Build the Spool Spinner

Issue #351 11/05/13 1000 KB

Methods Of Adding Drag To Your Rockets

Issue #350 10/22/13 977 KB

Using Paperclips in Place of Launch Lugs

Biology Experiments in Rocketry

Issue #349 10/08/13 1.0 MB

Make a Super Shroud

Issue #348 09/24/13 1.4 MB

What Length of Elastic Shock Cord?

Issue #347 09/10/13 1.5 MB

Drag of Tube Fins

Issue #346 08/27/13 1.4 MB

Drag of Nose Cones

Issue #345 08/13/13 1.2 MB

Exploring Rocketry Using Research Wind Tunnels

Issue #344 07/30/13 1.3 MB

Making Fiberglass Parts Using the Lost Foam Technique

Issue #343 07/16/13 1.0 MB

Replaceable Kevlar Lines in Minimum Diameter Models

Issue #342 07/02/13 1.4 MB

Fabrication of Shaped and Curved Helicopter Rotor Blades

Issue #341 06/18/13 2.4 MB

Nut Plates for Rail Button Attachment and Rocket Propellant Grain Geometry

Rocket Terminology Part 3

Issue #340 06/04/13 1.1 MB

Hand Painting Rockets Made Easy

Issue #339 05/21/13 1.4 MB

How To Perform C.H.A.D. Staging Using the RockSim Software

Issue #338 05/07/13 1.2 MB

Install a Replaceable Kevlar Shock Cord Into the Motor Mount Of Your Next Rocket

Issue #337 04/23/13 1.4 MB

MX Missile to PeaceKeeper, The R&D Process Fulfilled

Issue #336 04/09/13 1.1 MB

Starting A Rocketry Program at Your Civil Air Patrol Squadron

Issue #335 03/26/13 1.4 MB

Explorations in Modular Tube Fin Design

Issue #334 03/12/13 1.5 MB

How To Make Your Own Rail Guides

Issue #333 02/26/13 1.2 MB

How To Make Advanced Composite Fins - Part 2 of 2

Issue #332 02/12/13 1.1 MB

How To Make Advanced Composite Fins - Part 1 of 2

Issue #331 01/29/13 1.1 MB

How To Make a Hollow Nose Cone From Sheet Balsa

Issue #330 01/15/13 1.2 MB

How To Roll Your Own Body Tubes

Issue #329 12/31/12 1.2 MB

Installing An E-Bay Inside A Nose Cone

Issue #328 12/18/12 1.2 MB

Designing and Constructing Fins

Issue #327 12/04/12 1.1 MB

First Class Fillets - Classic Way

Rocket Terminology

Issue #326 11/20/12 1.2 MB

Build The Flip-Clip Engine Retainer

Estes Designers: The Lost Interview

Issue #325 11/06/12 1.1 MB

How Does Drag Stability Work?

Issue #324 10/23/12 1.0 MB

FAQs on Dual Deployment Rockets

Issue #323 10/09/12 855 KB

How To Compute Delay Time And Altitude Using Quadratics and Euler's Number

Issue #322 09/25/12 924 KB

Redundancy in Deployment Systems

Issue #321 09/11/12 888 KB

Terminology of Model Rocketry Explained

Issue #320 08/28/12 853 KB

Compute How High and Fast Your Rocket Goes Using The Basic Equations of Rocket Motion

Issue #319 08/14/12 896 KB

Shaving Weight For Super Sonic Flight

Issue #318 07/31/12 1.0 MB

How Strong Is It? Measuring The Strength of Fix-It Epoxy Clay

Issue #317 07/17/12 572 KB

Make A 18mm Engine Retainer From A Water Bottle

Issue #316 07/03/12 1.3 MB

What is the Value Of A Built Rocket?

Issue #315 06/19/12 930 KB

Launching big rockets off a camera tripod

Achieving a Slow, Realistic Lift-Off

What's Special About Piston Ejection Systems?

Styrene or Polystyrene

Launching an iPhone

Issue #314 06/05/12 634 KB

Where Did Model Rocketry Really Start?

Issue #313 05/22/12 1.3 MB

Add Flip-out Fins to your Model Rocket

Issue #312 05/08/12 726 KB

Adding Lights to a Rocket for Night Launches

Issue #311 04/24/12 1.2 MB

Using Fiberglass in Rocketry

Issue #310 04/10/12 813 KB

Use High Speed Videography To Capture Images Previously Unseen

Issue #309 03/27/12 937 KB

Sanding Plywood Bulkheads to Size

Make a Fin Spacing Guide

Issue #308 03/13/12 951 KB

Forefathers of Modern Rocketry: Part 2

Issue #307 02/28/12 1.2 MB

Forefathers of Modern Rocketry: Part 1

Issue #306 02/14/12 800 KB

Painting the Tip of a Nose Cone

Issue #305 01/31/12 1.8 MB

Why Should You Airfoil Your Rocket's Fins?

Issue #304 01/17/12 1.2 MB

The Mathematics of Spiral Wound Body Tubes

Issue #303 01/03/12 1.1 MB

How To Determine The Drag Coefficient of Your Rockets

Issue #302 12/20/11 913 KB

Building Apogee's 1/70th Apollo Saturn 1B

Issue #301 12/06/11 908 KB

How to Keep 2-Stage Rockets Flying Low for Small-Field Recovery

Issue #300 11/22/11 904 KB

Simulating a 2-Stage Saturn V in RockSim

Issue #299 11/08/11 815 KB

How To Quickly and Easily Cut Lots Of Body Tubes To Length

Issue #298 10/25/11 1.1 MB

How To Get An Award-Winning Finish On Your Rockets

Issue #297 10/11/11 1.3 MB

Simulating Angular Airframe (square or box) Tubes in RockSim v9 - Part 2

Issue #296 09/27/11 948 KB

Simulating Angular Airframe (square or box) Tubes in RockSim v9 - Part 1

Issue #295 09/13/11 930 KB

The True Story of Apollo 12's Near Abort Less Than a Minute After Launch

Issue #294 08/30/11 816 KB

What are the Best Launch Conditions for High Altitude Flights?

Issue #293 08/16/11 1.0 MB

How To Mount The AltimeterTwo For Maximum Performance, High-G Flights

Issue #292 08/02/11 925 KB

Using Video to Measure a Rocket's Speed

Issue #291 07/19/11 821 KB

How to Calculate Fin Flutter Speed

Issue #290 07/05/11 707 KB

How to Avoid Zippered Body Tubes

Issue #289 06/21/11 514 KB

Tips for Constructing Electronically Staged Mid-Power Rockets

Issue #288 06/07/11 2.6 MB

Construction Ideas for Electronics Bays

Recognition Rewards for Rocket Club Participation

Issue #287 05/24/11 434 KB

Build a Super Simple, Safe, Cheap Igniter Tester

Issue #286 05/10/11 548 KB

How to Achieve Extreme Altitude Deployment

Issue #285 04/26/11 640 KB

Thrust, Impulse, and Power: What Do They Really Mean?

Issue #284 04/12/11 926 KB

Flying The Apogee Saturn V Kit On High Power Motors.

Can the Apogee Saturn V Be Flown on a Cluster of Five F10 Motors?

Issue #283 03/28/11 1.4 MB

Using Rocketry Components to Teach Collegiate Engineering Analysis

Issue #282 03/14/11 953 KB

Make Your Own Anti-Zipper Harness For Kevlar?« Shock Cords

How I Got My Rocket Back

Issue #281 02/28/11 767 KB

Advanced Finishing Tips To Enhance The Appearance Of Your Rockets

Issue #280 02/15/11 1.4 MB

Airbrush-quality camouflage effects using simple spray paint cans.

Issue #279 02/01/11 956 KB

Skydiving technology applied to rocketry's parachutes

Issue #278 01/18/11 720 KB

Rocketry Success With Disadvantaged Students

Shock Cord Mounts For Small Diameter Rocket

Issue #277 01/04/11 791 KB

How to Build Your Own Parachute Release Mechanism

Issue #276 12/20/10 751 KB

What Went Wrong in the Apollo 11 Moon Landing?

Issue #275 12/07/10 817 KB

Applying Lessons Learned From Real Rockets

What is your Plan B for flying in breezy conditions

How To Create Tube Marking Guides In RockSim

Issue #274 11/24/10 742 KB

Paint Schemes: Ideas for Your Next Eye-Popping Rocket Decoration

Issue #273 11/09/10 844 KB

How to overcome teacher resistance in using rockets in classrooms

Issue #272 11/02/10 526 KB

How to add LED lights to your night-flying rockets

Issue #271 10/19/10 1.3 MB

Sand Radial Taper into Fins - Jig Plan

Issue #270 10/05/10 686 KB

Build A Fin Spacing Jig

Issue #269 09/21/10 802 KB

Building Tips for the Condor Boost Glider

Rewarding the competitor

Preventing parachutes from shredding

How To Reload A Previously Run Simulation

Using RockSim for Trebuchet simulations?

Issue #268 09/07/10 1.0 MB

How to Light Up The Nozzles Of Your Saturn V

How to get more participation in your club's contests

Issue #267 08/24/10 1.1 MB

Get Scale Data Quickly and Painlessly

Issue #266 08/10/10 816 KB

Component Plan - Make Your Own Pyrotechnic Bolts

Issue #265 07/13/10 1.1 MB

Can You Hear The Sonic Boom From A Model Rocket?

Issue #264 06/29/10 621 KB

Build Fiberglass Transition Sections

Issue #263 06/15/10 955 KB

Joining Cluster Tubes To A Single Tube

Issue #262 06/01/10 661 KB

Mathematics In Amateur Rocketry

Issue #261 05/18/10 755 KB

Draw a 3D Rocket using Google SketchUp

Issue #260 05/04/10 896 KB

Construct Functional Strap-on Booster Pods

Issue #259 04/20/10 653 KB

Build an alignment key into your long rockets

Build plastic parachute protector

How to use 24mm motor mount adapter with a 29mm Aero Pack Motor Retainer

Issue #258 04/05/10 978 KB

Make A Simple Dual Deployment Rocket

Issue #257 03/23/10 1.4 MB

How Altimeters Work - Part 3

Issue #256 03/09/10 735 KB

Build an Easy and Inexpensive Vacuum Chamber

Issue #255 02/23/10 873 KB

Superroc Flying strategies & Reader Questions

What do the Torque vectors mean in the 2D flight profile.

Issue #254 02/09/10 707 KB

How To Add a Camcorder to Your Rocket

Issue #253 01/26/10 1.0 MB

Experimenting with Dynamic Stability Analysis

Powder that parachute, and crochet that shock cord

Issue #252 01/10/10 1.2 MB

Build an Inexpensive Wind Tunnel

Build an Inexpensive Wind Tunnel to find the CP of your rocket

Issue #251 12/29/09 1.2 MB

How to add a standoff launch lug to RockSim v9

Year in Review: What's up at Apogee Components in 2009?

Issue #250 12/15/09 860 KB

Alternate method of applying paper skins to fins

Setting Mach Delay in supersonic rockets,RockSim

Removing the Ejection charge of a rocket motor

Issue #249 12/01/09 1.1 MB

How To Zero In on The TARC Altitude and Duration Objectives

Issue #248 11/17/09 1.7 MB

Why Aren't There Fins on The Ares 1-X Rocket?

Issue #247 11/03/09 1.0 MB

Competition Plan: Build a Dual-Egglofting Rocket

Fly-Apart Rail Guides - 2nd Edition

Reinforcing Your Rocket's Parachute

Issue #246 10/20/09 1.0 MB

Educator's Plan: Build a Mechanical Accelerometer

Issue #245 10/06/09 1.3 MB

Rocket Plan: the 'Kink' Superroc

Using Dowels instead of fins? Are stick fins stable?

Issue #244 09/22/09 1.1 MB

Selecting the right size streamer for your rocket

TARC streamer suggestions

Using Drag for stability control?

How long can you store assembled reload motors?

Issue #243 09/08/09 1.4 MB

Development of the Fly-Apart Rail Guides

How do streamers work?

Issue #242 08/25/09 911 KB

How do electronic altimeters work? Part 2

Issue #241 08/11/09 1.0 MB

How to add new parts to your RockSim databases

Filling Spirals In body tubes

Removing Engine Blocks from your rockets

Issue #240 07/28/09 1.3 MB

How do electronic altimeters work? Part 1

Reattaching a shock cord on a broken rocket?

A glue applicator for applying glue deep inside of body tubes

Strength of ejection charges (Composites vs. Black Powder)

Issue #239 07/14/09 1.2 MB

Why do tall and skinny rockets go unstable?

Issue #238 06/30/09 1.3 MB

What is the difference between the RockSim Method and the Barrowman Equations?

Issue #237 06/16/09 1.1 MB

Build a great science fair rocket

Engine Retention for a 3-Engine cluster rocket

Preventing zippered body tubes

Issue #236 06/02/09 1.1 MB

Seven mistakes people make when teaching with rockets

Issue #235 05/19/09 1.4 MB

Build a High Power Rail Launch Pad

Plan for the 04/A Cluster Altitude Event

When does Deceleration Really Begin?

Rocket Plan - Tim's Push-Me Pull-You rocket

Issue #234 05/05/09 1.2 MB

Ten Rocketry Products For A New Manufacturer

Fiberglass Cloth Templates for Von Karman Nose Cones

Issue #233 04/21/09 1.4 MB

Cleaning the grime from Launch Rails

What the phone company taught me about customer service

Rocket Plan - Rocksim Design: Doorknob Triceratops

Issue #232 04/07/09 747 KB

How to create polyhedral wings in RockSim v9

Issue #231 03/24/09 852 KB

How rocketry can lead to a career as a rocket scientist

Build a Removable Shock Cord Mount

Issue #230 03/10/09 1.2 MB

Increase Tracking Precision With Vernier Scales

Tube Fins in RockSim v9

How to view RockSim's Help Manual

Issue #229 02/24/09 1.1 MB

How to Set Up A Multi-Stage Rocket and Delayed Staging in RockSim

Reinforce Paper Transition Sections

How to ignite the Aerotech D10 and D21 motors

Issue #228 02/20/09 604 KB

Why Spinning Rockets Fly Straighter

Issue #227 01/27/09 840 KB

Plan: Build a 13mm Engine Mount Adapter

Issue #226 01/13/09 825 KB

Simulating Canted Rocket Motors in RockSim

Issue #225 12/30/08 621 KB

Rocket Plan - Build G. Harry Stine's 'Paradigm-5'

Issue #224 12/16/08 791 KB

How to accelerate your complex rocket project

Issue #223 12/02/08 901 KB

Build a triangulation scope

Issue #222 11/18/08 1.2 MB

Tracking Down Lost Rockets

Issue #221 11/04/08 844 KB

Preview of the new features in RockSim v9

Issue #220 10/21/08 1.3 MB

Can you create a stable two-finned rocket?

Issue #219 10/06/08 999 KB

Create Water Rockets in RockSim

Make a ducted rocket where the air flows through the body.

Issue #218 09/23/08 864 KB

How to minimize igniter misfires

Issue #217 09/09/08 1.2 MB

Selecting motors based on flame effects

How to add a transition at the front end of a booster stage

Make a fixture to draw lines down a boat tail

Issue #216 08/26/08 1.0 MB

Apollo Program: In the Rear View Mirror

Setting up delay times when staging High-Power motors

Issue #215 08/12/08 1.1 MB

How to convert a plastic nose cone into a drag reducing boat tail

Issue #214 07/29/08 747 KB

Step-by-Step RockSim procedure to calculate the maximum lift-off weight of a rocket motor

How to convert a plastic nose cone into a drag reducing boat tail

Sample decal files applied to scale models

Issue #213 07/15/08 979 KB

6 Ideas to grow your rocket club's membership - Part 2

Issue #212 07/01/08 785 KB

6 Ideas to grow your rocket club's membership - Part 1

How to design a rear-ejection rocket

Toggle on/off the mass override feature

Issue #211 06/17/08 933 KB

How to apply decals on the 3D rocket in rockSim

How to measure the diameter of a body tube

Issue #210 06/03/08 998 KB

How to get your level 1 High-Power Certification

Air Starting Motors and Adding Fake Tubes to reposition a rocket's CP

Issue #209 05/20/08 1.1 MB

What is a 'loadable' rocket motor.

TARC suggestions that may help you do better next year

Issue #208 05/06/08 1.1 MB

Sleuthing Altimeter Data for Critical Answers

Issue #207 04/22/08 1.2 MB

Build a parawing gliding parachute - Part 2

Issue #206 04/08/08 1.2 MB

Build a parawing gliding parachute - Part 1

Issue #205 03/25/08 1.1 MB

Trimming A Rocket Boosted Glider - Part 2

Rocket Plan - RockSim Design: Flash Gordon rocket

Issue #204 03/11/08 796 KB

Trimming A Rocket Boosted Glider - Part 1

Rocket Plan - RockSim Design: Streamline

Issue #203 02/26/08 1.4 MB

Build a boat tail rocket that is hookless

Issue #202 02/12/08 695 KB

Batch Engine Files For RockSim and SMARTSIM

How to find the ejection charge force of a rocket motor

Rocket Plan - Apogee Egglofter-1

Issue #201 01/29/08 2.1 MB

Delay Time and Maximum Lift-Off Weight

Making a boat tail engine lock

What is Optimal Delay?

The correlation between optimum delay time and rocket mass

Issue #200 01/10/08 1.1 MB

Tips on finding Optimum Mass

'Drag Separation'

Issue #199 12/18/07 1.1 MB

20 Years of Rocketry Progress - The Top 7 Changes I've Seen Occur in Rocketry

How to Fold Plastic Parachutes

Issue #198 12/04/07 1.5 MB

Basics Of Flight Analysis - Optimizing For Altitude

Why does RockSim ask you for the latitude of the launch site?

Issue #196 11/06/07 1.2 MB

Basics Of Flight Analysis - Radial Moment of Inertia and the Natural Frequency

Parachute Riser

How do you know if your payload bay is big enough to carry your egg?

Issue #197 11/06/07 1.1 MB

Basics Of Flight Analysis - Damping Ratio

Ballistic Trajectory Experiments

What does 'canard configuration' mean?

Issue #195 10/22/07 1.4 MB

Basics Of Flight Analysis - Damping Moment Coefficient

Which Delay Time Should I Use In RockSim?

Issue #194 10/09/07 1.1 MB

Rotating Parachutes

How to install an altimeter in your rocket.

What is a Sustainer?

Issue #193 09/25/07 2.1 MB

Basics Of Flight Analysis - The Corrective Moment Coefficient

Why does the CP moves back when fins made smaller?

Issue #192 09/11/07 2.2 MB

Basics Of Flight Analysis - Moment Of Inertia

How to repair a tip that was broken off a balsa nose cone.

How to put a bulkhead inside a tube coupler in RockSim 8

Issue #191 08/28/07 2.1 MB

Oddchutes - Fun With Polygons

Putting a parachute inside of a nose cone.

Issue #190 08/14/07 1.8 MB

How To Get Started In Rocketry Education

Issue #189 07/31/07 931 KB

VERTIKAL The only way is up!

The nuts and bolts of cluster motor retention

Calculate the break-even point for purchasing a reload casing

Issue #188 07/17/07 1.0 MB

Build a cold gas-piston ejection-baffle system

Building tool: self-healing cutting mats

Issue #187 07/03/07 2.0 MB

Parachute clusters and small rockets

Using low-tack tape for crisp paint lines.

Calculating rate of descent from altimeter data

Issue #186 06/19/07 2.0 MB

The Ultimate Rocketry Glue Guide: Part 2

What does 06/Degrees of Freedom Mean?

Issue #185 06/05/07 1.8 MB

The Ultimate Rocketry Glue Guide: Part 1

Centering ring cutting tool

Issue #184 05/22/07 1.1 MB

Sizing and Parachute folding techniques

Using Snap-Swivels on your parachutes

Cutting Spill Holes in your chutes.

Issue #183 05/08/07 1.2 MB

How to turn a flat parachute into a NASA style parachute

Simplified Fin Alignment

Another look at gradual parachute deployment

Issue #182 04/24/07 992 KB

RockSim Technique: How To Put A Payload Bay Inside A Nose Cone

Issue #181 04/10/07 1.7 MB

Early days of Rocketry

Issue #180 03/23/07 880 KB

Dr. Zooch Rockets Uses RockSim

Dr. Zooch's Flame-Fins stabilize rockets.

Issue #179 03/13/07 1.1 MB

Student Launch Initiative Puts RockSim Past Mach 1

Issue #178 02/28/07 1.1 MB

Take Better Aerial Photos By Using RockSim

How to check the fit of nose cones on the body tube.

Issue #177 02/14/07 1.3 MB

Rocketry Education in Norway

Issue #176 01/30/07 1.1 MB

How To Set Up Multiple Flight Events In RockSim

Issue #175 01/16/07 1.1 MB

Coming Back Into Model Rocketry

Painting the tip of the a nose cone

Issue #174 01/04/07 1.4 MB

Rocketry Electronics Explained - Part 2

Preventing a zipper with masking tape.

Issue #173 12/21/06 1.3 MB

Rocketry Electronics Explained - Part 1

Issue #172 12/07/06 1.3 MB

Advanced RockSim Technique: How to create a nested boat tail in a 2-stage rocket

Issue #171 11/22/06 1.1 MB

A Visit to A Rocket Education Conference

Issue #170 11/07/06 1.0 MB

New Rocketry Items shown at the I-Hobby Expo

Issue #169 10/26/06 1.2 MB

Using SMARTSim 2.0's Batch Processing Feature Part 2

Applying self adhesive decals.

Issue #168 10/05/06 1.2 MB

Using SMARTSim 2.0's Batch Processing Feature Part 1

Issue #167 09/12/06 1.3 MB

Teen builds largest amateur rocket flown in Colorado

How to achieve sharp paint lines on your rocket.

Issue #166 08/29/06 2.1 MB

Working On The Tomahawk Cruise Missile

Fixing cracked fins

Issue #165 08/15/06 1.4 MB

Making Fin Slots With A Dremel

Hooking up a copperhead igniter

Issue #164 07/28/06 971 KB

Precision vs. Accuracy when tracking rockets

Quiz your students on the NAR safety code

Balancing a parachute

Issue #163 07/14/06 1.2 MB

How-To Info: Using RockSim's 2D Flight Profile

Folding a parachute

Issue #162 06/15/06 1.1 MB

Simulating UFO and Cube Rockets in RockSim

Quick way to reload motors in RockSim

Issue #161 05/18/06 1.1 MB

How To Finance A School Rocket Club

Issue #160 04/24/06 876 KB

Science Fairs: Tips on Winning

Fin Alignment guide.

Tip: Baby powder for parachutes

Issue #159 03/29/06 996 KB

Re-release of the Saturn V Rocket

Pick the right ejection delay

Cleaning Reloadable Motors

Issue #158 03/14/06 1.0 MB

Creating Short/Fat Rockets in RockSim, Pt. 2

Painting Decal Paper To Make Stripes Part 2

Issue #157 02/22/06 1.2 MB

Cold Power Rocketry

Hang your fins out to dry after applying sanding sealer.

Exporting a graph from RockSim for school reports

Issue #156 02/02/06 1.2 MB

Rocketry in South America

Lubricating O-rings on reloadable motors

Merging new parts into your RockSim database.

Issue #155 01/17/06 741 KB

Interview with Tim Quigg

Aligning multiple launch lugs on your rocket.

Installing new motors in RockSim v8.

Issue #154 12/30/05 1.1 MB

CP's of Short and Fat Rockets in RockSim Pt. 1

Make a payload bay for small rockets.

Issue #153 12/06/05 951 KB

Adding Parachutes to Boosters in RockSim

Painting Decal Paper To Make Stripes.

Don't Reinstall RockSim, just RESET it.

Issue #152 11/18/05 1.1 MB

Aligning 'In-Line' fins

Kwangmyongsong - North Korea's Satellite Launch Vehicle

Issue #151 11/07/05 774 KB

Machine tools on your wish list

Fixing Tight Fitting Tube Couplers

Did you remember your pre-flight checklist?

Issue #150 10/24/05 788 KB

Swivel Fins Do Fly Straight

How to practice cutting vacuum form rocket wraps

Through-the-wall fins using RockSim 8

Issue #149 10/07/05 963 KB

Sizing Your Rocket's Parachute

Repairing Fuzzy body tubes.

Issue #148 09/13/05 824 KB

Speed Up RockSim's 2-D Flight Profile

Tips on flying reload motors with copperhead igniters

Where to find additional RockSim design files for common kits.

Issue #147 08/22/05 1.2 MB

How To Fill Body Tube Spirals

Issue #146 08/01/05 2.4 MB

Creating Sprites In RockSim

Tube holder to make it easier to glue on fins.

Issue #145 07/14/05 1.4 MB

Level-1 Certification the Hard Way

Building Motor Mount Adapters.

Low-Cost Altimeter Attachment Method

Issue #144 06/27/05 4.0 MB

Mood Lighting With RockSim - Part 2

Issue #143 06/10/05 947 KB

Mood Lighting With RockSim - Part 1

Recruiting Club members at Air Shows.

Gradual Parachute Deployment

Alternative to Recovery Wadding

Issue #142 05/26/05 746 KB

Attending an organized rocketry launch

How to un-join an epoxied part

How to clean launch rods.

NASA's New Moon Rocket

Rocket Plan - Shrox SeaSnake

Issue #141 04/29/05 1.0 MB

How To Create Complex Clusters In RockSim

Issue #140 03/17/05 674 KB

Hidden Features in RockSim v8

Rocket Plan - Shrox TwoNer

Issue #139 02/24/05 795 KB

What Is In A Rocket Engine Data File

Issue #138 02/02/05 908 KB

How To Join Paper Transition Sections

Rocket Plan - Shrox Tri-Tip

Issue #137 01/11/05 779 KB

Designing a Parachute Compartment Into a Booster Stage

Issue #136 12/13/04 1.2 MB

Make Your Own Transition Sections

Issue #135 11/22/04 779 KB

How To Make Your Own Rocket Motors

Issue #134 11/01/04 692 KB

SMARTSim Tips for design Optimization

Issue #133 10/11/04 733 KB

What is 'Static Margin?'

Issue #132 09/28/04 761 KB

Selecting Rocket Motors: A Step-by-Step Procedure

Issue #131 09/17/04 1.8 MB

The model rocket engine code explained

Issue #130 08/23/04 658 KB

Optimizing Your Design Using SMARTSim

Issue #129 08/10/04 1.4 MB

Using Ejection Charge Baffles

Issue #128 07/20/04 959 KB

The Art and Science of Streamer Recovery

Issue #127 07/05/04 583 KB

How To Design and Construct Oblique Nose Cones

Issue #126 06/10/04 737 KB

Common Misconceptions About Centering Rings

Issue #125 05/17/04 454 KB

How To Make Simulated Nozzles To Add Pizzazz To Your Rockets

Coloring pages for younger students

Issue #124 04/26/04 337 KB

Differences between chuck-gliders and rocket boosted gliders

Issue #123 04/09/04 685 KB

How to Add Decals and Decoration to your RockSim Designs

Issue #122 03/26/04 931 KB

Simulating Foam-filled parts in RockSim

Issue #121 03/15/04 1.3 MB

Cutting body tubes at angles - make your own cutting pattern sheet

Issue #120 02/15/04 797 KB

Parts of a Model Rocket

Issue #119 01/27/04 779 KB

Simulation of Side Pods in RockSim v7.0

Issue #118 01/12/04 570 KB

Creating Subassemblies in RockSim

Issue #117 12/19/03 950 KB

Simulating Pop-Pod Boost Gliders In RockSim v7 #2

Poster - Phases of a Model Rocket's Flight

Issue #116 12/05/03 717 KB

Simulating Pop-Pod Boost Gliders In RockSim v7 #1

Issue #115 11/21/03 655 KB

Designing a simple glider using RockSim 7

Poster - How Composite propellant rocket motors work

Issue #114 11/07/03 660 KB

Simple hand tools that will save you money

Poster - How Black Powder Rocket Motors work

Issue #113 10/27/03 530 KB

Simulating fins-on-fins in RockSim

How to use bulkheads in rockets

Issue #112 10/10/03 772 KB

Rocketry Education - Cross-curriculum examples

Issue #111 09/30/03 1.7 MB

Simulating Strap-on Boosters in RockSim 7: Part 4

Issue #110 09/12/03 2.2 MB

Simulating Strap-on Boosters in RockSim 7: Part 3

Issue #109 08/22/03 940 KB

Simulating Strap-on Boosters in RockSim 7: Part 2

Issue #108 08/04/03 1.3 MB

Simulating Strap-on Boosters in RockSim 7: Part 1

Issue #107 07/25/03 3.5 MB

Selecting the right beginner level kit

Issue #106 07/03/03 379 KB

Newton's Laws of Motion, and How Rockets work

Issue #105 06/13/03 614 KB

Designing Rockets with Asymmetrical fins

Issue #104 06/01/03 641 KB

How to design and build engine mounts

Issue #103 05/16/03 660 KB

Determining Base Drag on a rocket

TARC Lessons learned.

Issue #102 04/18/03 487 KB

Running Quick-and-Dirty Simulations

Issue #101 04/04/03 830 KB

Why do simulations show unstable descents?

Issue #100 03/21/03 1.0 MB

What does 'Rocket Science' mean?

Design Contest Results: Many cool rockets.

Issue #099 02/28/03 873 KB

How Multi-Stage Model Rockets Work - Part 2

Issue #098 02/14/03 852 KB

How Multi-Stage Model Rockets work - Part 1

Rocket Plan - Shrox XF-45

Issue #097 01/31/03 1.2 MB

Designing Tumble Recovery Booster Stages - Part 2

Motor Retention for Minimum Diameter Rockets Part 3

2-Stage Rockets: Which is better: In-line or Interdigitated fins?

Issue #096 01/10/03 839 KB

Designing Tumble Recovery Booster Stages - Part 1

Motor Retention for Minimum Diameter Rockets Part 2

Answers to commonly-asked TARC questions.

Rocket Plan - Shrox Vipox

Issue #095 12/27/02 556 KB

Motor Retention for Minimum Diameter Rockets

Issue #094 12/13/02 395 KB

How To Start A School Rocketry Program

Issue #093 11/27/02 659 KB

How High Did the Rocket Go? - Part 2. Two-Station Tracking

Rocket Plan - Shrox Oberth

Issue #092 11/11/02 545 KB

How High Did the Rocket Go? - Part 1. Using Single Station Tracking

Rocket Plan - Shrox Dart

Issue #091 10/28/02 651 KB

Electronic Staging of Composite Propellant Rocket Motors

Rocket Plan - Shrox Snipet

Issue #090 10/11/02 612 KB

Winning the $50,000 Team America Rocketry Challenge

Stabilize Your Rockets Using Canted Fins

Issue #089 09/27/02 419 KB

How to start a rocketry company: A History of Apogee Components

Issue #088 09/16/02 592 KB

How to find the maximum speed your rocket can withstand.

Issue #087 08/19/02 507 KB

Tool Plan - Make foam nose cones!

Issue #086 08/01/02 879 KB

Stability of Short, Stubby Rockets

Shrox - HX-10 Parasite Glider Plan

Issue #085 07/19/02 539 KB

Reasons Why We Love Rockets

Rocket Plan - Shrox Javelin

Issue #084 06/28/02 560 KB

Optimum Mass versus Peak Delay Time Mass?

Spin Doctor Helicopter Model - Part 2

Rocket Plan - Spin Doctor Helicopter Model, Part 2

Issue #083 06/14/02 1.2 MB

Spin Doctor Helicopter Model - Part 1

Rocket Plan - Spin Doctor Helicopter Model

Issue #082 05/31/02 889 KB

Sci-Fi Adventures - Four stories from our readers

Issue #081 05/17/02 1.0 MB

Launching Model Rockets in Space

Rocket Plan - Mercury Transport

SR-72 Darkbird Alternate Decals

Issue #080 05/03/02 779 KB

Does the CP location change when you upscale a rocket?

Rocket Plan - Shrox Helios/DSRP

Issue #079 04/05/02 272 KB

Does fin thickness affect the rocket's CP location?

Rocket Display Stands

Issue #078 03/22/02 642 KB

Mass override features of RockSim

Rocket Plan - Shrox Orion Luxury Shuttle

Issue #077 03/08/02 337 KB

Starting your own rocketry club & a FREE poster!

Issue #076 02/22/02 325 KB

Suggestions for a young leader in a rocket club

Using Tracking Powder

Rocket Plan - Shrox Bolaero/Z

Issue #075 02/15/02 363 KB

Designing High-Altitude Rockets

Rocket Plan - Shrox Stonebreaker/AX

Issue #074 02/08/02 386 KB

What is CNa? Part 2

Rocket Plan - Shrox TVM01 Analysis

Issue #073 01/29/02 1.9 MB

What is CNa? Part 1

Rocket Plan - Shrox TVM01

Issue #072 01/20/02 446 KB

What does Better Mean? Does it always mean 'Higher Altitudes?'

Issue #071 12/29/01 1.0 MB

Attaching Vacuum Form Wraps on the Saturn Rockets

Issue #070 12/14/01 909 KB

High Acceleration Numbers in RockSim

Issue #069 12/02/01 835 KB

Characteristics of Balsa Wood

Issue #068 11/19/01 653 KB

Pressure Relief Holes

Issue #067 11/08/01 603 KB

Painting the Corrugations on the Saturn V kit?

Issue #066 10/23/01 542 KB

Tools needed for the Saturn V kit

Issue #065 10/16/01 904 KB

Simulating Dual Deployment In RockSim - Part 2

Issue #064 10/05/01 546 KB

Simulating Dual Deployment In RockSim - Part 1

Issue #063 09/26/01 610 KB

How To Use Paper to Make Centering Rings for High-Power Rockets

Issue #062 09/20/01 1.5 MB

Rocket Origami

Issue #061 09/04/01 1.8 MB

Political Correctness In Rocketry Competitions

Issue #060 08/19/01 1.2 MB

Smarter Guessing and Simulating With RockSim 5

Issue #059 07/31/01 445 KB

The Moving Target Called 'Optimum Delay'

Issue #058 07/22/01 1.9 MB

Saturn 1B and V Test-Launch Report

Issue #057 07/08/01 684 KB

How to Destroy A Perfectly Good Rocket Kit

Issue #056 07/01/01 555 KB

Adhesives for Skill Level 5 Kits

Issue #055 06/24/01 608 KB

Building a Hybrid Motor in RockSim

Issue #054 06/17/01 1.8 MB

Rocketry E-Books?

Issue #053 05/27/01 2.3 MB

Why Does the Swing Test Fail?

Issue #052 05/20/01 596 KB

Survey Results (and what it means to you)

Issue #051 05/13/01 569 KB

Using Rocketry Completions to Increase Club Participation

Issue #050 05/06/01 1.9 MB

Fin Shapes Revisited

Issue #049 04/29/01 741 KB

Why No Composite Propellant Booster Motors?

Issue #048 04/22/01 1.8 MB

Making Your Own Electric Matches

Issue #047 04/15/01 760 KB

Piston Launchers Explained

Issue #046 04/08/01 600 KB

Maximum Simulation Accuracy - Part 2

Issue #045 03/31/01 866 KB

Maximum Simulation Accuracy - Part 1

Issue #044 03/18/01 542 KB

Robert Goddard History - 75 years ago this week

Issue #043 03/11/01 537 KB

What Style of Rockets Do You Like?

Issue #042 03/04/01 559 KB

Why do Rockets go Unstable?

Supplement - Comments about Unstable Rockets

Issue #041 02/25/01 1.8 MB

Building a Rocket Company

Issue #040 02/18/01 1.8 MB

Selecting Rocket Motors - Part 3

Issue #039 02/11/01 1.1 MB

Selecting Rocket Motors - Part 2

Issue #038 02/04/01 413 KB

Selecting Rocket Motors - Part 1

Issue #037 01/20/01 1.3 MB

Flop-Tip Helicopter Model Plans

Issue #036 01/14/01 523 KB

The Hardest Step in Designing a Rocket

Issue #035 12/31/00 1.9 MB

Speeding up your RockSim Simulations

Issue #034 12/24/00 1.9 MB

Finding Maximum Liftoff Weight - Part 2

Issue #033 12/17/00 695 KB

Finding Maximum Liftoff Weight - Part 1

Issue #032 12/10/00 633 KB

Detecting and Using Thermals

Issue #031 12/03/00 483 KB

What is your Skill Level?

Issue #030 11/26/00 500 KB

Man vs Mother Nature; which is stronger, wood or composites?

Issue #029 11/19/00 2.3 MB

Useful tools for building rockets.

Issue #028 11/12/00 483 KB

Slow Roasted Rockets; the 'hibachi effect' explained.

Issue #027 11/05/00 503 KB

Simulating Ring Tail Fins in RockSim v4.0

Issue #026 10/29/00 780 KB

What Makes for an Interesting Launch Report Article.

Issue #025 10/22/00 422 KB

The Really Big Show - A description of the National Model & Hobby Show

Issue #024 10/15/00 629 KB

Predicting where your rocket will land using RockSim v4.0

Issue #023 10/08/00 772 KB

The RockSim Challenge - a test of skill and model rocketry knowledge.

Issue #022 10/01/00 663 KB

Educational Uses of the RockSim Software

Issue #021 09/24/00 736 KB

Recruiting and Retaining new Club Members.

Issue #020 09/17/00 427 KB

How does Getting Your Hair Cut get You a New Launch Site?

Issue #019 09/10/00 6.4 MB

Getting Media Coverage for Your Rocketry Event

Issue #018 09/03/00 653 KB

Exploring the Cardboard Cut-out Method of CP Prediction

Issue #017 08/27/00 601 KB

Coloring Balsa wood with RIT dye

Issue #016 08/20/00 707 KB

Exporting data from RockSim and finding optimum trajectories

Issue #015 08/13/00 453 KB

SMARTSim Tips for design Optimization

Issue #014 07/16/00 429 KB

Who are the heroes?

Issue #013 07/09/00 445 KB

How to Get Your Donation Request Thrown in the Trash-can

Issue #012 07/02/00 595 KB

The Soaring Method of Birds

Issue #011 06/25/00 2.5 MB

Adding New Motor Files to RockSim

Issue #010 06/18/00 353 KB

Altitude Flying Strategies

Issue #009 06/11/00 345 KB

The History of Body Tubes

Issue #008 06/04/00 631 KB

The Bat Wing Boost Glider

Issue #007 05/28/00 469 KB

Rocketry Education

Issue #006 05/21/00 357 KB

Contest Flying Preparations

Issue #005 05/14/00 323 KB

What is an overstable rocket?

Issue #004 05/07/00 303 KB

Dethermalizers for Parachute Models

Issue #003 04/30/00 364 KB

Recreating Estes' Discontinued Motors

Issue #002 04/23/00 659 KB

Preview of RockSim v5.0

Issue #001 04/16/00 517 KB

How are your flying skills?

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Once again, it is a pleasure to do business with Apogee, Tim, and his staff. I ordered the guillotine fin jig, and received it almost immediately -...
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