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Our favorite rocket, back by popular demand in a new version that is ideal for beginners and classrooms! 13 inches long, 3/4 inch diameter.
This kit does not include a rocket motor or launch equipment. We recommend A6-4, A8-3 or B6-4 motors for the Tomahawk.
Available in bulk packs of 5 or more at a discount price!
The Sten-Bot is a fully programmable kit for a four-wheeled rover.
The Jensen Model #60 Steam Engine is completely assembled and tested at the factory. This is an excellent first steam engine, easy to operate. Includes whistle and safety valve, and a starter supply of dry fuel tablets. We include cylinder oil and a squeeze bottle to make filling the boiler easy.
Special Introductory Price valid through January 1, 2015!
The Jensen Model #65 is a double-acting Slide Valve steam engine. Ready to run, with whistle and throttle. Beautifully polished and mounted on a cast metal stand. Jensen includes a funnel and a starter supply of dry fuel. We include a squeeze bottle for filling the boiler and special cylinder oil.
Introductory discount price good through January 1, 2015!
The Sten-Bot is a fully programmable kit for a four-wheeled rover controllable by any WIFI equipped computer.
The SEC-5B Ejection Canisters feature a snap-top ejection charge container that holds 1.5 grams of black powder or smokeless powder. The single-use Ejection Canisters are convenient and reliable methods of deploying your recovery system.
Bulk pack of 25 Standard Ejection Canisters at a discount price.
IMPORTANT: Fill the Ejection Canister completely with black powder. Use 3FG powder or finer; 4FG is best. Powder MUST touch the igniter for reliable ignition. Black powder can "bridge" or clump, so tap the Canister and look carefully to make sure the powder is in contact with the filament in the base.
The Rev 2 CANSAT kit is an update of the original with the USB integrated into the processor board, a terminal block for connecting a battery, and a power switch. The UART port has been updated for full UART signal access and a new connector has been added to provide access to two PWM ports for controlling servos. The sensor board has been updated with a new pressure sensor and two sensor expansion ports. The kit is compatible with the previous version. Lesson material has been rewritten.
The Jensen Model #75 is Jensen's largest dry fuel heated design. The #75 is a double acting slide valve engine with a Stephenson reversing linkage with forward, reverse and neutral positions.
Introductory pricing good until January 1, 2015
The Arduino Experimenter's Kit will get you started building devices with the Arduino operating system. Complete instructions are included, along with:
Large Ejection Canisters are about half again as big as the standard SEC-5a Ejection Canisters. They hold about 2.5 grams of black powder (not included). They are suitable for rockets of 4 to 5.5 inches in diameter. Each Canister has the resistance written on the side, so you can test it before use.
XL Ejection Canisters are for rockets with more volume to pressurize than can be done by our smaller canisters. Each Ejection Canister is tested for continuity before being packaged. Variable capacity allows you to determine how much propellant you wish to use for your particular recovery system.
The Jensen Model #85 Steam Engine is the only "overtype" engine in the Jensen line. The compact little engine has the cylinder and flywheel mounted on the boiler. Lots of power for its size. Simple and easy to operate. No whistle. Jensen includes a funnel and a starter fuel supply. We include a squeeze bottle for filling the boiler and special cylinder oil.
Introductory price good through January 1, 2015!
The CANSAT Transmitter board is now available separately. Two frequencies are available. The board is also available with an antenna connector for $10 extra.
The CANSAT Transmitter can only be sold to HAM Licensees. You must include your call sign in the Comments block in the shopping cart.
Full details and diagrams
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