I stumbled on this an thought it was worth sharing for the mechanically minded folks here.
Of course an 11 million to one reduction ratio isn't practical for 4wd, but it is interesting how compact this mechanism is...
[ame]https://www.youtube.com/watch?feature=player_embedded&v=kYmUJVE6Vo0[/ame]
More detail at:
3D Printed Extreme Reduction Gearing Device Offers Exponential Force of 1 by 11 Million - 3DPrint.com
reminded me of this:
[ame]http://www.youtube.com/watch?v=5q-BH-tvxEg[/ame]
Motor attached to series of reduction gears - final gear fixed in concrete - Boing Boing
Cheers,
Sean
“Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.” - Albert Einstein
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