Defend the Earth From Planet-Smashing
Asteroids and Comets!
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Kit Specifications:
Skill Level 2: Previous Experience Suggested,
But Not Required.
Length: 28.5" (72.4 cm)
Diameter: 2.217" (56.3 mm)
Weight (without motor): 4.9 oz (139 gm)
Recovery: 32" plastic parachute
ORDER This Kit NOW! Just click on the "Own It Today" button below.
DynaStar Stonebreaker Rocket Kit
P/N: 05028
Price: $36.24
Note: There is a $2.00 freight surcharge due to the large size of the shipping carton, and the additional cost of postage.
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Recommended Motors: See Chart Below.
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Motor
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Manufacturer
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Altitude
(feet)
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Altitude
(meters)
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Estes
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289
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88.2
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Estes
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639
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194.8
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Apogee
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1834
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559.0
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E9-6
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Estes
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1293
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394.1
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Aerotech
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1612
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491.4
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Aerotech
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1541
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469.8
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Aerotech Reloadable
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1788
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545
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Aerotech Reloadable
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1753
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534
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Aerotech Reloadable
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2052
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625
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Aerotech Reloadable
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2080
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634
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See the video below for help in selecting rocket motors. Rocket motors are sold separately from the kit. If you are unsure which one to pick, start with the one recommended for the First Flight, and then another for a more impressive launch. Most motors listed in this chart are available through Apogee Components. For other motors that are not listed here, download the RockSim file to see if it will work in this rocket kit. See also Technical Publication #28 for guidance on selecting appropriate rocket engines other than those listed in this chart. If you don't already have Technincal Publication #28, give us a call, and we'll be happy to let you download it free (you have to ask though). |
Someday in the future, an asteroid or comet may threaten the destruction of the earth. Your urgent mission is to smash the asteroid to bits with the defender missile called the "Stonebreaker."
You'll find that the Stonebreaker is more than capable of completing this important mission. But to be safe, you might want to launch two or three of them — just to make sure.
The sleek design and minmum-drag nose cone allow this rocket to achieve fantastic altitudes on inexpensive rocket motors. Or you can put in an F21 motor, and watch it go to hyperwarp speeds.
The new Stonebreaker is a mid-power model rocket that is easy to build that was designed by Shrox. If you've built a model rocket before, you'll have no problems building this Skill Level-2 kit. It is straight-forward to assemble, and a breeze to decorate. The body is painted a light grey, and the tip of the nose is painted black. All the other decoration is done by applying the colorful self-adhesive decals.
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Flying the rocket is even more fun than building it. Since it is a relatively large rocket, it is easy to load the rocket motor and the large plastic parachute.
When you push the launch button though, be ready for this rocket to leave the pad with noise and authority. It won't hesitate on the pad like other big rockets, it jumps into the air quite quickly. The reason is that it is a low-mass rocket that has a very clean shape. That makes it ultra-efficient for it's size.
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Awesome Performance From Inexpensive Motors
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Like the other kits from "DynaStar Mid-Power Rockets", the Stonebreaker is designed to fly on the less expensive "D" size black-powder rocket motors. You can even fly it on Estes C11 motors, and still get a very impressive flight.
How do you get the same performance using smaller motors? Simple: the DynaStar brand of rocket kits use thin-wall body tubes, which are significantly lighter. So the rocket doesn't need a big motor just to get it off the launch pad. You'll save money, because you don't necessarily need to buy larger rocket motors!
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Assembly is easy - Just watch the video! - We've created a series of FREE quicktime videos that you can watch right now to see how easy this type of kit is to put together. By watching these videos, you'll learn some of the basic techniques you can use on other rockets too. You'll find these videos at our "getting started" page. Check it out!
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Plastic Nose Cone - The smooth plastic nose cone requires no finishing other than a coat of paint. Its 5:1 ogive shape is very efficient for high speed rocket flights.
Colorful pressure-sensitive decals - This is a big reason why is so easy to make this rocket so awesome looking. It is just a matter of applying the sticker-like decals.
Die-cut balsa wood fins - Balsa wood is very lightweight and can be airfoiled by sanding, to reduce the drag forces on the kit. This makes the rocket zoom higher and faster into the sky.
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The model also comes with a high-strength, Kevlar® Shock cord. Kevlar® is six times stronger than steel, and is also fire proof. It can easily withstand the high heat of ejection, ensuring the rocket descends as a single piece. This makes for a very durable rocket that can be launched again and again.
Large 1/4 inch Launch Lug - Because this is a bigger model, you'll have a larger lug on the side of the rocket. This is used with mid-power size launch rods, to stabilize the rocket so it doesn't sway in the wind prior to launch.
The large 32" diameter plastic parachute that comes with the kit, brings the rocket down slowly for a nice soft touchdown. The canopy on the parachute is a colorful black and yellow, which is easy to see in the sky, and when it lands on the grass. You'll also find that the chute has tear-proof adhesive rings that reinforce the points on the canopy where the shroud lines attach. These greatly strengthen the parachute canopy, making it practically impossible to damage the parachute. Becuase this is a big rocket, the parachute is an octagon shape, instead of being a hexigon. Therefore, it has two more suspension lines, meaning it can carry a heavier rocket down to the ground.
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Tools needed to assemble this rocket kit:
- Pencil
- Ruler
- Masking Tape
- Hobby Knife
- Razor Saw
- Finishing Supplies like paint and sandpaper.
To Launch This Rocket Kit, You'll Also Need:
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Frequently Asked Questions about the DynaStar Stonebreaker kit:
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Q. Where can I buy the other motors in the chart, like the Estes E9-4 motor?
- A. Unfortunately, it is impractical for us to carry every single motor made. Especially since most of the motors are available in your local area. You'll need to do a web search to find a retailer near you that carries the motors. Also, we do not ship rocket motors outside of the USA.
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Q. I need help selecting motors. What should I do?
- A. Watch this YouTube video.
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To see how the rocket looks and performs with in each motor configuration, download the FREE demo version of RockSim
(click here). This kit is included as one of the sample designs that comes with the demo software. Both Windows and Macintosh versions are available.
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What is a RockSim Design file? The RockSim software gives you a lot of information about the flight characteristics of this rocket: how high, how fast, where it will land, how will it react to wind, etc. The "design file" is intended to save you time. All the parameters (size, shape, weight, fin design, etc.) of this rocket have already been entered into the RockSim program, and saved as an electronic database file. You can just open it up in your copy of RockSim and start loading different rocket motors to run launch simulations. It's fun and educational to see the rocket zoom skyward, even before you built it. You can open this design using the FREE demo version of RockSim, which can be downloaded by clicking here.
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What is expected when you launch your model rocket?
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Are you new to rocketry? Do you think you know what happens when you launch your rocket? Now you can learn about the events that occur as your rocket is launched into the air. So when you launch your rocket, you'll be prepared and you'll be able to show off your knowledge to observers watching your rocket. This article also gives you links to other references that will give you even more background information about rocketry, so you can become a true rocket scientist and expert.
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"It (the Saturn 1B) is a great kit and everyone raved about it. One boy about seven came running up and asked:
- "Is that a Saturn?" -- "Yup".
- "Is it a Saturn 1B?" -- "It is, very good"
- "Is it the Apogee kit?" -- "It is!"
- "I've only seen them in pictures - it's beautiful!"
The launch folks were impressed too." -- Johnny Klonaris
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Kevlar® is a registered trademark of E.I. du Pont de Nemours and Company for its brand of aramid fiber. Only DuPont makes KEVLAR®
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Shipping and Handling Fees:
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To estimate the shipping charges, please see our shipping information page. This page also explains how items are shipped, as well as offering you additional shipping options.
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