Thingiverse
Hand Crank Flashlight
di SteveOst
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Hand crank flashlight is inspired from:
https://www.thingiverse.com/thing:707997
Added a gear for additional speed.
Made handle to hold gears in place.
Reflector is parabolic with LED at focus.
I filled groves in reflector, sanded smooth, then applied aluminum foil.
Motor used came from an old hair dryer.
Works surprisingly well.
https://www.thingiverse.com/thing:707997
Added a gear for additional speed.
Made handle to hold gears in place.
Reflector is parabolic with LED at focus.
I filled groves in reflector, sanded smooth, then applied aluminum foil.
Motor used came from an old hair dryer.
Works surprisingly well.
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