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NASA’s Game Changing Development is taking on a technology
development and demonstration effort to design, build, and test the next generation of Phase Change Material Heat Exchangers (PCM HXs) on the International Space Station. The primary objective of the task is to develop a PCM HX that operates through numerous
freeze and thaw cycles without risking the structural integrity of the heat exchanger.
This is the first prototype of my 3D printed hand crank generator.
It uses a DC motor from a broken printer which is spun quickly as a result of the gear ratio. Everything is 3D printed, although I’m using threaded metal bolts during this early prototyping stage.
In this video I crank the generator to power a 12V LED strip and then a small 1W LED with a small capacitor attached.
The gears and base are both 3D printed on a Flashforge Creator Pro using ABS plastic. The design is being made in Sketchup.
To see a heavy duty hand crank generator made in the Philippines, check out http://youtu.be/PZk-Ay9T_HM
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