| 1. | The casing is the carrier for this planetary gear train . ]]
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| 2. | This is the lowest gear ratio attainable with an epicyclic gear train.
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| 3. | A is transformed by the gear train into the output torque " T"
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| 4. | Thus, the speed ratio of a gear train also defines its mechanical advantage.
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| 5. | The gear is connected through a gear train to a variable-speed electric motor.
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| 6. | The efficiency loss in a planetary gear train is 3 % per stage.
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| 7. | Illustrations by the Renaissance scientist Georgius Agricola show gear trains with cylindrical teeth.
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| 8. | However, the z-parameters are not necessarily the most convenient for characterising gear trains.
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| 9. | This frees the escapement from the effects of variations in the gear train.
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| 10. | A gear train can transmit energy, but it can't store energy.
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