This guy has made a sries of youtube films on recycling junk hardware for power...the chuck/gearbox/motor assemblies from rechargeable
drills/screwdrivers would make an invauable asset to be hoarded for the renewable-energy-engineer's toolbox!
Recycling drills and hard drives for generators (part 1)
My initial design ideas using these would be to build a wind/hydro power wheel using a spare mountainbike wheel and mount several of these
drill-generators positioned around the perimeter (much like the old-style friction bike-light dynamos) using the same principle.
If you could imagine the base of a vertical-axis wind-turbine being mounted to a bike wheel and the chucks with small rubber-wheels rotated like a
'planetary' gear system by being rotated by friction against a far larger wheel, that would enable the chuck of the drill-mechanism to rotate far
faster owing to the rotaion-ratio of a large 24" bike wheel against a 2" generator wheel mounted on a shaft and locked in the chucks jaws
...and here's the rest of the recycle tech series covering hard-drives in particular
Recycling drills and hard drives for generators (part 2)
Recycling drills and hard drives for generators (part 3)
Thanks for the vids Citizen Smith this stuff is gold for young up 'n coming engineers like myself. I've built a few small generators using bits and
bobs round the house but never thought of using a comp hard drive (damn just threw one out two weeks ago!)
I bet you could make a meen little generator with the quality components in them, thats definetly a project for the near future thanks again!
We have more than our fair-share of the EU 'wind-quota' here in the UK so it makes sense to use lo-tech recycled-mechanical methods to harness that
power for an encampment.
I'm still at the early stages of learning about low-voltage DC systems but that first vid changed my plans of attempting to cast my own stator/rotor
assembly that I've seen, mostly using car brake hubs and neodymium magnets, for multiple scavenged 'chuck generators' instead
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