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Originally Posted by Oblarg
Anyone here have any data on the amount of internal frictional losses FRC drives actually have?
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It probably varies considerably. Even identical drivetrains may have significantly different friction because the friction is affected by lubrication, chain/belt tension, alignment (both toe-in and camber) of wheels and sprockets and pulleys, gear tooth tolerances, etc etc.
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Just wondering how accurate the 80% efficiency figure in the spreadsheet actually is
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It's just a ballpark placeholder value, same as in JVN spreadsheet.
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I've always wondered about this, but never really gotten around to testing it.
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See the last sentence on Page2 of the
PDF Drivetrain Acceleration paper and supporting docs
here.