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A friction motor is a simple mechanism to propel toy cars, trucks, trains, action figures and similar toys. The motor consists of a large flywheel which is connected to the drive wheels of the toy via a gear train with very low gear ratio, so that the flywheel revolves much faster than the wheels. The flywheel's axis is perpendicular to the ...
A standard bicycle/car tire pump, capable of reaching at least 75 psi (520 kPa). Water pressure forcing all the air in an empty water hose into the rocket. Pressure is the same as the water main. An air compressor, like those used in workshops to power pneumatic equipment and tools. Modifying a high pressure (greater than 15 bar / 1500 kPa ...
A rocket balloon without its pump attached. There is also dedicated toy known as a rocket balloon, usually tubular-shaped and inflated with a special pump (pictured).These balloons, when released, propel in a more stable direction because of a steadier thrust of air and elongated shape, unlike ordinary round balloons which often launch uncontrollably.
Air Hogs is a line of toy airplanes, helicopters, rockets, and cars manufactured and owned by the Spin Master company of Toronto, Ontario, Canada. [1] They are radio controlled, free-flying, and air-powered aircraft.
Brick Science builds seven LEGO cars and crashes each of them into a LEGO wall and compares the outcome of the car and LEGO crash test dummy inside.
This differential can be generated without evaporative cooling in the head; for instance, a heat source directed at the bottom bulb will create a pressure differential between top and bottom that will drive the engine. The ultimate source of energy is the temperature gradient between the toy's head and base; the toy is not a perpetual motion ...
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This retro metal design — the original Slinky — was inducted into the National Toy Hall Of Fame in 2000, so you know it’s a gift that has staying power. $4 at Amazon Explore More Buying Options