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While spending only $5 for the necessary modifications, Douglas Desrochers gave a rocket helicopter blades which it could use to make a smooth descent:
The HeliRocket is propelled by a standard model-rocket engine, but instead of the engine’s ejection charge deploying a parachute, it releases the rocket’s 3 tail fins. The fins then swing up into a helicopter blade configuration, which slows the rocket’s descent by converting much of its kinetic energy into drag and angular momentum (spin).
Link via CrunchGear
Steve Eves is building a functional 1:9 scale Saturn 1B rocket. That was a type of rocket used in America’s Apollo program. At the link, you can see an extensive gallery of process photos as Eves constructs the model.
Link via Make | Photo: Rockets Magazine
Swisscopter’s Dragonfly is a small helicopter that has rocket engines on the ends of its rotors blades to propel them:
The copter makes use of tiny hydrogen-peroxide-powered rocket motors on the tips of the blades, which replaces the traditional engine-powered rotor. Large fuel tanks surrounding the pilot allow the Dragonfly to travel at up to 40 mph for 50 minutes.
via Popular Science | Company Website
Ever wondered what it would be like to travel in a jet-powered porta-potty? Me neither. Seeing someone else doing it still is interesting though. It’s every ten year old boy’s dream come true -a whole collection of jet and rocket powered vehicles, including fire trucks, recliners, tractors and more. Plenty of speed record holders here kiddos, so click the link and have fun exploring the speedy side of life.
