Save Money And Time By Testing Your Customized Rocket Designs!
RockSim is a computer program that allows you to design any size rocket then simulate its flight to see how high and fast it will fly! Even before you start buying components and building your design, you'll find out if it will be stable and safe to launch, as well as meet any weight, speed or height criteria you might want. Instead of wasting money on incorrect components and numerous test motors, imagine how much money you'll save by doing all your test flights on the computer!
You can also use it to find the best motor and delay combinations for your existing kits. Because nearly every rocket manufacturer uses this software, nearly all available rocket kits have a RockSim design file that you can open using the FREE 30-day trial version. Change the engines and the weather conditions to see if you have the best choice!
RockSim is also educational, that's why it is certified by the Space Foundation. Use it to teach yourself and others about the physics of rocket flight.
More modelers, teachers, and engineers use RockSim than all the other rocketry programs combined!
So, you're designing a rocket. You have several options for judging stability of a design.
"Rule of Thumb" method. This kind of works OK. Just copy the basic arrangement of rockets made by old-timers that have been around forever. But you can just picture for yourself that rocket you created that went unstable and smashed itself into a thousand pieces. And even if it didn't crash, did you really learn anything new about rocketry with this method? Can you honestly say you have more information about rocket science that you can teach to others?
Mathematical Equations You could spend hours and hours working through the stability equations using a pencil and a calculator. The Barrowman stability equations, as they are called, will help you determine if your rocket is safe to fly. But they are time consuming to use, and they limit you to simple designs with just basic fin shapes. They are fun to do once; however, you don't want to do them over and over just to make simple changes like altering the number of fins on the model. Do you?
Stability Programs You can use one of those free "stability" programs that speed up the task of chugging through the Barrowman Equations. But again, you are limited to simple rocket shapes, and you are not able to really predict how the rocket will actually perform.
RockSim Design Software See below!
RockSim is for people that like to take control of the rocket design process. These are people, like you, that really want to know with certainty how their own rocket creations will fly. And you won't be limited to simple shapes and small rockets. If you are going to invest in software, you want it to have features that will allow you to try bigger, bolder, and more complex rockets. You probably want to eventually take on a Level 3 or other complex project, right?
Besides allowing you to designing intricate rockets, RockSim will simulate the rocket's entire flight. From the launch trajectory, to finding where they land; this is something no one else can offer you.
Here is what our customer's say about RockSim:
"I am really impressed with your software program, not only for the ability to design a rocket, but also the information that can be obtained with launching the rocket under various conditions, etc.– an absolutely excellent tool." — Deanna Mann, Rocketry Workshop Organizer, El Paso County 4H, Colorado, USA
"Wow! Great software. I didn't expect to have the ability to print templates for parts. That coupled with the ability to custom design fins graphically is just super. I found the software easy to use. I've learned more about rocketry in two-hours from using this software than I have since joining the hobby. That speaks for itself. Overall, I give this a perfect score. Thanks for your hard work." -- Ben Taylor
Ask yourself: "What is most important to me in deciding which rocketry software to invest in? Do I want to possibly waste money and be limited to simple shapes and simple launch sceneries, or do I want a sophisticated program that I won't outgrow?"
What Does "Design and Simulation" Software Do?
RockSim allows you to take your cool rocketry ideas, and flush out the concept to see if they'll be stable when you launch them. This is important, because you want to make sure all your homebrew creations are safe. Right? This process of selecting parts, and arranging them into a rocket to see if it will work is called "designing" a rocket.
After you have the basic layout of the rocket, you'll probably want to see how it will perform when it takes flight. Right?
I'm sure you'll be interested in a multitude of statistics: How fast it will zoom? How high it will soar? How long it will hang in the air after the recovery device is deployed? This is accomplished with a rocket "simulation" program.
RockSim was the first software that combines both "design" and "simulation" into one seamless program. What that means is that you create a drawing of the rocket, and simply click a button to see how that design will perform. That makes it quick and easy to check the feasibility of your ideas.
Using RockSim, you will know long before you actually start cutting parts if the rocket will work successfully. That cuts down on mistakes, and saves you a lot of money and frustration.
RockSim Speeds Up The "What-If" Design Process
What if... I changed the shape or the number of fins on my rocket?
What if... I changed the length of the rocket?
What if... I added pods to the rocket?
What if... I use a 38mm motor instead of an 29mm?
What if... I use a streamer instead of a parachute?
Those are the questions that designers have always been asking themselves. You've got the same questions, right?
From the beginning, RockSim was created to be a true design tool. With RockSim, you specify the components of the rocket (including all the rings and the recovery devices carried inside), and RockSim pre-calculates the weight of the rocket as you are in the process of designing it. At the same time, it is also calculating the CP location of the model and determining if the rocket will be stable. RockSim was the very first model rocket program to do this "on-the-fly" computation, and it revolutionized rocketry. Now you could make changes to your design, and see how the CP and CG are affected.
For example, what if you changed the fin location on your rocket? As shown in the image above, doing so changes both the CG and the CP location. With RockSim, it calculates these changes faster than you can blink your eyes. This seems simple, but until RockSim came along, this was a very complex task that took hours to figure out -- for even experienced modelers.
Additionally, as you design your rocket, RockSim performs an estimation of the coefficient-of-drag (Cd), which is used to determine how high and fast your rocket will fly.
The coefficient-of-drag is broken down into various contributors: nose cone and body profile drag, base drag, launch lug drag, and fin drag. You can use this feature to tweak your rocket for optimum altitude performance. Again, RockSim was the first, and is still the only, design program that has this feature. Without it, you can't really tell with any certainty how high or how fast the rocket will travel, let alone what the trajectory will look like.
Use RockSim To Pick The Best Motors For Your Rockets
People ask us how do you pick the best motor for a model rocket. That is a very simple question to answer once you have RockSim. Just imagine people coming to you for that answer.
If you want to see how it is accomplished, watch our free YouTube video that walks you step-by-step through the process.
Designing rockets with RockSim is a snap. It doesn't take a long time at all. After you've learned the basics of the program, you'll be creating designs in less than 5 minutes. Basically, there are two simple things you do when developing a new design.
1. Create the Design: Typically, you will select parts from the extensive databases; which includes your favorite manufacturers like: Estes, Quest, Aerotech, LOC or PML, not to mention Apogee Components. But you can easily add your own custom parts too. Once a new part has been added to the database, you can bring it up for any of your future rocket design too.
2. When finished with the design, you will then select a rocket motor for it and RockSim will perform a comprehensive launch simulation based on weather conditions you input. RockSim not only tells you how high the rocket flies, but it will show you what the trajectory will look like. Plus it will give you other important information like acceleration, velocity and downrange drift.
RockSim Tidbit: You will hear many people talking about a "RockSim design file." What it contains is an orderly listing of the parts that are in the rocket, plus the results from the flight simulations you have performed. RockSim automatically creates them when you save your creations. It is cool to share them with your friends, so they can see what a great designer you are.
Picture in your mind that you have just finished the design using RockSim, and you have run a number of simulations to prove it is flight worthy. Now you are ready to actually start building it.
RockSim has a number of features that will simplify and speed up the construction process. With it, you can:
Print out fin templates. RockSim's fin templates can be highly complex and include the through-the-wall fin tab and curvature matching of the boat tail. If the fin is huge, RockSim tiles the template onto several sheets of paper with corner marks so you can assemble them like a puzzle. These templates can be transferred to wood or fiberglass, and cut out to make actual rocket components.
Print out transition-section pattern sheets which you can assemble into an actual part in your real rocket.
To use this feature, you simply need to print out the transition template from the print menu. However, there are a few conditions you have to set up prior to printing it out:
1. The transition cannot have shoulder inserts specified.
2. The transition must be set to "hollow."
3. The transition shape must be set to "Conical."
These pre-conditions makes a lot of sense, as this is how you actually make a paper shroud. Note: That if any of these conditions are not as specified above, you will get the default "side view" of the transition when you print out the template.
Rocket Tip: Do you need help in assembling your transition? Click here to watch a movie on how to make the perfect transition.
Print out nose cone templates that you can use as an aid in turning or carving your own component.
Print out 2D blueprint-like drawings of your rocket. These serve as a guide, so that you position the components properly when assembling the rocket.
Print out a 3D picture of your rocket, including the paint scheme and your own custom decals. From this, you'll have a guide for painting and decorating your rocket design. And it is something you can share with your friends to prove you designed the rocket yourself, and it really isn't a kit you've built.
Print out a parts list, so you can check them off as you order them from your favorite vendors.
Print out exact centering ring templates, that can be transferred to wood sheets, from which you can cut actual rings.
You can email your completed RockSim design to vendors like Balsa Machining Service, who can custom make nose cones, centering rings, and fins directly from your design file. So you can buy many of the custom parts you've made in your design.
Sensible people with a practical bent appreciate RockSim because of these useful features. You may realize you need to invest in RockSim today because you need these features too.
Also, with the RockSim9 update, the following features were added:
External Pods can be added to the outside of the main body
Strap-on Booster Pods are ejectable during flight
Fins can be attached to other fins
Ability to scale your design up or down
Scale custom fin shapes up or down
New plot (graph) screen. You can zoom in on any area of the graph for a closer look at the data.
Anti-alias of the 2D image.
New 2D top-view to go with the existing side and base view.
New stability overlay to see if your asymmetrical designs are stable in all axis.
Incorporated engine search feature to find new motor data files on the web site www.thrustcurve.org
Types of Designs That Are Possible With RockSim v9
Click on any picture for a larger image
What Makes RockSim Different From Other Programs?
Besides the features new to version 9.0, RockSim has many other one-of-a-kind features that are still NOT available in other programs. These advanced (but easy-to-use) features are there to make the program the easier to use, and/or to allow you to design out-of-the-ordinary rockets.
First of all, RockSim allows you to make fins with any shape. These are called "Custom Fins." RockSim is the only design software that allows you to make truly any shape you want. Other programs only allow you to modify simple trapezoid shapes.
What is even more cool is that if you position the fin on a curved nose cone or drag-reducing boat tail. on the bottom of the rocket, the root edge automatically conforms to the shape of the curve!
So when you print out your fin templates, you'll have the perfect curve to match the rocket. Just think of how much time this will save you.
RockSim also allows you to create tube fins, and ring-tail arrangements. This is also something that only RockSim can do.
Another feature is the ability to create asymmetrical designs, where you have more fins and tubes on one side of the rocket than the other. For example: say you wanted to make a rocket that had the appearance of an airplane. The two wings and the tail fins would be impossible to design without RockSim, because they violate the Barrowman Stability Equations. You see, in the Barrowman Equations, a set of fins must have at least identical three fins. It does not allow a two-fin set, like the wings of an airplane-like rocket. Nor do the Barrowman Equations allow a just a single fin, like the vertical tail of an airplane.
RockSim allows these types of fin configurations. You can have any number of fins in a fin set, even just one fin. Only RockSim has the capability to determine the stability of this type of rocket. So, doesn't it make sense for you to own the finest rocketry program available?
Not only can you design them, but you can view them in 3D and rotate them around. You'll get to visualize your dreams long before you build them.
But what is more important is that RockSim plainly tells you whether your unique looking design is safe to fly. That is the real trick. Regardless of how neat the rocket looks, if it isn't stable, it will crash if you launch it.
Another feature that only RockSim has is its ability to run very sophisticated launch simulations. This is to give you the most realistic prediction of the performance of your new design. We call it "Dynamic Stability Analysis." And only RockSim has it.
Tell Me More About This Thing Called "Dynamic Stability"
For nearly 40 years, modelers have used "static" stability methods to find out if their rockets will travel in safe manner. But how the rocket reacts to disturbances (such as a gust of wind) is far more complicated to determine. Often, "statically stable" models will weathercock strongly into the wind, while others will oscillate wildly as they travel upward. Both of these cases can be unsafe.
The ability to predict how a rocket will fly in windy conditions, and what it will do when launched at an angle is what Dynamic Stability is all about. When you know how the rocket will react to different conditions, you can take precautions and angle the launch rod appropriately so that you get a better and safer flight.
Dynamic Stability is much harder to determine than "static stability." Why? Because it is not only affected by the relationship between the Center-of-Pressure (CP) and Center-of-Gravity (CG) of the model, but also by the speed of the rocket, wind, launch angle, and even by the shape and mass of the internal components that make up the rocket.
There are many equations that govern dynamic stability of the rocket. They have techno-speak-mumbo-jumbo names like: damping moment coefficients, Longitudinal Moments of Inertia, Coupled Damping Ratios, and Angular Accelerations. Most people have little desire to figure out what it all means. If you're interested, see our Newsletter Archives for a 6-part series on the topic of Dynamic stability. The free series of articles starts in issue #192.
So to make it all easy to understand, RockSim creates a movie of the model's flight. By watching this "Flight Profile" animation, even the youngest modeler can see if the rocket is oscillating back and forth or if it weathercocks too far into the wind. It is real easy to see the effects of changing the fins, using a different rocket motor, angling the launch rod, or varying the wind speed at launch. Any of these types of things will change the trajectory of the rocket and how high/fast it will fly.
Playing with the "Flight Profile" feature is a blast. With RockSim, it is even possible to simulate an unstable model, and watch it do loopy loops on the computer screen! These simulated flight are fun to watch, but you wouldn't want this to happen to a real rocket. Because statically stable rockets can go unstable, RockSim should be used on all your rockets to check for dynamic stability.
Imagine spending time teaching your family and friends about rocketry using the Flight Profile feature. Not only will you have a lot of fun, but it bonds you together in an educational way.
I Heard That RockSim is Hard To Learn. Is That True?
As you can see in the list above, RockSim is loaded with features. Does this make RockSim complex or hard to use? That is what other manufacturers of computer software are trying to hang on RockSim. But we disagree and request judge for yourself! Give our free 30-day trial a whirl!
How do you know when you have a program that is a good value? RockSim is used by over 860 schools throughout the USA. Plus, people that have never even used a computer before in their entire lives purchased one specifically to use RockSim. (WOW!) They are very happy with how easy it is to use. If these people, and kids as young as 10 years old, can quickly learn to use it, so can you.
Like any computer program, there is a learning curve that the user has to go through. All programs have it (such as Microsoft Word), even if they say they don't. I don't ignore this fact. I realize that there is a learning curve. And as soon as you get through it, you'll be designing rockets like a professional engineer.
The "parts tree" shows how each of the components is arranged in the rocket. For example, the fins are attached to the body tube; the engine mount is also attached to the same body tube. Makes sense, doesn't it?
How do you get through this learning curve quickly and easily? First of all, the program itself has to "make sense." If you've flown rockets before, RockSim will seem very intuitive to you. The parts in the rocket are arranged from the tip of the nose cone, down to the base of the motor. Sounds simple, right? For example, you put the engine mount into the body tube -- and that's the way you input the parts into RockSim too.
A feature in RockSim allows it to anticipate your moves in the design process. It assumes your first choice is to grab a part from the manufacturer's component database. Therefore, it automatically opens up the database when you tell it you want to add a part into your design. This allows you to complete your design even faster. For example, if you tell RockSim you want to add a nose cone by clicking the "add nose cone" button, it will automatically open the nose cone database. From the database selection screen, you can either pick from any of over 100 nose cones from your favorite manufacturers, or you can override it and input your own custom dimensions into RockSim.
But if you want to know a secret, I'll tell you the hardest part of the design process right now... It does NOT have anything to do with rocketry. It has to do with the names of parts used by manufacturers. For example, if you're brand new to model rocketry, you probably don't have a clue what a "BT-50" is. Right? But if you've been in rocketry more than a couple of launches, you know that a BT-50 is the name that Estes gave to their size tube that is about 1 inch in diameter. It is the same with every other manufacturer. Each has their own part names, even though they may be identical parts. That's the hardest thing about designing your own rockets; learning all the silly part names...
To tell you the truth, I don't know the shortest way over the "learning-the-part-names" speed-bump. It may take you some time. However, what I can do is show you how to design a simple rocket. And that is what I do in the series of "how-to" videos that now come with RockSimwhen your purchase CD, not the download version; as the files are well over 200MB). You can view some of them here: Quickly learn the basics of RockSim by watching video instructions (Requires QuickTime Player)
These step-by-step videos walk you through creating a designs, running simple simulations, modifying the user settings, creating asymmetrical fins, playing with the competition settings, and viewing the flight profiles.
In about 20 minutes, you'll be designing your own models, and having a lot of fun playing with the program. At that point, you'll need to start learning all the silly names of the parts that manufacturers create.
Every copy of RockSim comes with an excellent Help Manual ("YES" -- the download-only edition includes them too). This electronic guidebook can be printed out, so you can read all about the advanced features of the program at your own pace. They'll also teach you what each button on the screen does as well as giving you some design tips.
We spent nearly as much time on the electronic help manual as on the actual program. Why? To help you to be familiar with RockSim's advanced design features that make your rockets safer and more spectacular.
RockSim is a low-risk investment, because it is tried, true, and tested by thousands of others. You'll be joining a community of visionaries that really know the value of a good design tool with a proven track record.
Educational Aspects of RockSim
RockSim is a "Certified Educational Product," which is a special recognition given by the Space Foundation to products used in educational environments that stimulate interest and knowledge about space.
Over 900 schools throughout the USA are already using RockSim as part of their rocketry curriculum. It adds a level of safety, because the students can check to make sure their rockets are stable before they build them.
The new enhanced "flight profile" movie is an excellent teaching aid for showing new modelers what to expect when they launch their rocket. Even advanced modelers will gain more flight experience in one evening of "play" with RockSim than they'll get over an entire year of trial-and-error out at the rocket range.
More importantly, with RockSim they can determine if the rocket will land within the field with the motor they have chosen. How many times do kids want to put the "biggest" motor into their rocket, only to find out that it is lost as it drifts away into the next county?
By running simulations prior to launch, they'll be able to see clearly what to expect when the rocket takes off, and where it could land if they choose a rocket motor that is too big.
RockSim also generates a lot of data that your students can explore. It can graph out 68 different flight parameters, which includes things like: altitude, velocity, acceleration, and Mach number. There is so much information that your students will learn a lot about rocketry and how to interpret graph data.
Besides displaying the information on a graph, the data can be exported out and read into a spread sheet program. Then your students can get some practice manipulating data in spread sheet software too.
You can read about all the different uses of RockSim in your classroom! Here is another link for you too; it shows how to use RockSim to specifically teach science with a sample lesson.
RockSim Also Means "Maximum Compatibility"
Take a look at leading kit manufacturers like PML and LOC. Do you notice that they all choose RockSim to design their rockets? Then take a look at independent web sites like www.rocketreviews.com and the private sites of hundreds of modelers. Do you see that there are thousands of rocket designs that you can download that are only in the RockSim format?
You have to ask yourself, "Why did these other companies choose RockSim?"
With RockSim, you have compatibility with most of the rocket flying world. You'll be able to email files to your friends, and offer them advice on their own rocket designs.
RockSim is made in the USA, and was developed by a real aerospace engineer that actually worked at Cape Canaveral in Florida launching the big rockets into space. That experience has lead to a program that can do the things that other manufacturers have come to trust. That is why you should consider it for your projects too.
But I'm going to tell you another secret. As much as it can do, RockSim can't do "everything." People keep coming to us with long "wish-lists" of ideas. That is what has made RockSim what it is today -- great ideas from people just like you. Instead of letting those users feel frustrated, we've made it possible for other computer programmers to write software that interacts with RockSim. We started this process in version 6, when we switched to a XML file format (I'm sorry for the techie-talk, but if you know what XML is, you'll appreciate the advantages).
Allowing other programs to interact with RockSim has a lot of benefits. You get new and sophisticated features faster, and the independent computer programmers are not trying to re-invent all the features that RockSim already has. If you are a programmer yourself, you may want to tie into RockSim's advanced features to save programming time.
Here is a listing of programs that interact with RockSim. I'm sure that there are more to come, but take a look at this list:
FinsFun - Allows you to create fin alignment templates and positioning guides to aid you when it comes time to attach the fins on your rocket.
RS-PRO - A 6-degree of freedom launch simulation program that is used to determine the landing zone for high altitude rockets. RockSim and RS-PRO share the same design files, so if you upgrade to RS-PRO, you'll save a lot of time.
Laser Cut Fins - You can send a RockSim design file right now to Balsa Machining Service, and without any other instructions, they can cut all the flat parts for your rocket using their laser-cutter. That means you can get fins, and centering rings, and even your body tube slotted to accept the fins tabs.
As you can see, if you don't use RockSim, you will not be compatible with the rest of the rocketry world. So stop and ask yourself: "What would happen, and how would you feel if you didn't get RockSim today?"
Who Else Uses RockSim?
Well over 4,600 people have invested their own money in RockSim. That includes nearly all of the Level 3 certified fliers, hundreds of aerospace engineers, all the champions in the Team America Rocketry Challenge, hundreds of teachers, and also the innovative modelers that know a great value when they see it. Plus, nearly every major model rocketry company uses RockSim to design their own kits (and they've paid to use it)! That includes Estes, Quest, Aerotech, PML, LOC, Aerospace Specialties, Semroc, Cesaroni, and Balsa Machining Service.
When you invest in RockSim today, you'll be joining a select group of people, educators, engineers, and companies that are concerned about the future of rocketry. They know the value of rocketry as an educational tool, and they want to pass it down to future generations of modelers. So they are investing in RockSim because it allows them to teach others about rocketry, and it keeps their own rocketry projects safe and legal.
Based on this information, take a brief moment and answer this question: "What would you do if a fellow rocketeer or teacher told you that RockSim is a bargain and you should invest in it?"
But Isn't RockSim Expensive?
Compared to what? Think about what you get with RockSim that you can't get anywhere else. Here is a very quick review of some of what you get when you invest in RockSim:
Tried, Tested and True: People that spend thousands of dollars on big rocketry projects trust the results of RockSim. For them, it is very cheap insurance on making sure their expensive rockets will work correctly.
Compatibility: More people use RockSim than all other programs combined. Nearly all the major rocketry manufacturers use RockSim too. This allows you to swap and download RockSim designs to save you even more time and money.
Educational: With RockSim's advanced 2D flight profile, you'll learn about rocket science faster and with greater clarity than any other method. And it is so fun, you won't even realize the educational value you or your students are absorbing.
Useful: The best aspect of RockSim is that it offers something for everyone in your rocket-loving family. From your kids, to yourself -- each of you will gain something new and unique from using RockSim.
Money Saving: You'll end up spending less money on your rocketry projects, because you'll experience fewer crashes, and your rockets come back in tip-top condition because you've optimized them to be stronger and fly straighter.
Reputation: Can you imagine how you look to your family as they watch you being congratulated by your peers because of your impressive launch -- all thanks to RockSim? Man, I'm telling you, you're going to be unbelievable.
Innovation: If you really want to be on the cutting edge of technology, then RockSim is for you. RockSim continues to pioneer many useful features. Here are just a few: Free-Form Fin shapes, Dynamic Stability analysis, Asymmetric fin configurations, 2D flight profiles that show you the trajectory of your rocket, Drag prediction, Ring-tail fins, Tube fins, and now stability determination of falling booster stages.
Customers have told us on numerous occasions that they'd willingly pay $250 or more for RockSim's features. But I want all modelers to design, build and fly the safest and most spectacular rockets. So I am allowing people to invest in RockSim at a tiny fraction of what it is actually worth.
I want you to imagine something for me. Pause for a moment, and please describe how much fun it would be for you to be sitting in front of your computer running RockSim.
Then ask yourself out loud, "What would happen if I did invest in RockSim to help with my next project?" What could you see yourself designing and building as your next project?
If you can be certain that RockSim is an "A+" rated software, will you feel comfortable investing in it today? Why not give it a try right now, and Download The FREE Trial Version!. You have no obligation to buy; just try it out for 30 days and see if it fits your needs.
If you are ready to invest in RockSim, you can place your order by choosing your version and clicking on the "Add to Cart" button below. But before you do, here are some special items you'll also receive if you invest in the CD-ROM edition:
FREE BONUS Items.* When you purchase the CD-ROM edition, you'll get these free bonus items included on the CD.
Instructional videos: These videos will quickly walk you through the design and simulation of your first rocket. This is especially great for you if you've never used a computer before. Click Hereto watch the tutorial video tutorials that are on the CD-ROM.QuickTime Player
RockSim-In-Depth: A series of technical reports and how-to articles covering a variety of different topics, like:
Tumble-Recovery design criteria
Designing short or stubby rockets
Spin stabilization techniques
Running quicker simulations in RockSim
Learning about Optimum mass
A discussion of fin flutter
Determining Base Drag
Setting up asymmetric fins in RockSim 7.0
*These additional free items are NOT included in the download-only edition. Why not? Because the extra material increase would increase the file size so big that it would really take days to download it all.
Do You Need More Altitude or Speed Than RockSim Allows?
Check out our new RS-PRO, the professional's version of RockSim designed for researchers and aerospace contractors. It shares RockSim's exceptional design interface, but marries it with a full 6-DOF flight simulator that allows for rockets flying as fast as Mach 10. It will also give you a landing-zone pattern, and plot the trajectory in Google-Earth, so you can obtain the permission to launch your suborbital rocket. Click here for additional details.
RockSim Articles - Tips & Techniques
For articles on RockSim check out the Peak of Flight index. This is a list, by topic, of all of the great articles the Peak of Flight put out over the years.
There is endless amounts of RockSim information found in this newsletter.
Actual Customer Comments
"After a lot of searching on the Net, RockSim is the best rocketry simulation software I have seen. Anyone who hasn't downloaded the shareware version is missing out big time. In terms of sophistication, "RockSim" is to "VCP" as "VCP" is to "cutting out pieces of cardboard". -- Brian Crosse
"I bought RockSim and have loved using it from the first day. My son and I have designed dozens of rockets using it. The rockets, that we have already built, work exactly as predicted by RockSim. I have also used your program to test and IMPROVE other kits that I purchased & built." -- Ray Mancuso Jr.
Phone: 719-535-9335 (Talk to a Real Person!) Fax: 719-534-9050
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