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 the always so humble metal-in-motion.....i know your tricks; you all are gonna have a killer robot as usual.... - Stephen Kowski [more] |
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| the always so humble metal-in-motion.....i know your tricks; you all are gonna have a killer robot as usual.... - Stephen Kowski [more] |
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#5
05-08-2007, 14:21
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Re: Plantery Gearbox Efficiency
I may be way off here..... but I think i'm quoting Dr. Joe Johnson here...
A planetary stage is about 85% efficient, so .85^2~ 72. 90% overall seems kind of fishy to me since that is the efficieny of a single spur gear reduction. |
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