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A Diesel Locomotive's Traction Motors
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In the diesels' traction motors' geared mechanical linkage to the axles, what is typically the gear ratio? Is it 1:1, giving the axles the same RPM as the motors supply, (a mechanical advantage ["MA"] of 1)? Is it a reduction ratio, where the axles turn slower (but with increased force i.e. MA greater than 1), or a ratio, where axles turn faster than their driving motors (but with less force -- MA < 1)?
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