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 TM 55-1905-219-14-1
f. When in forward, (Figure 1-35) all parts that rotated in neutral at engine speed are still turning. However,
when the forward clutch is engaged the steel clutch plates make positive contact with the sintered-metal clutch plates.
The external lugs of the sintered metal clutch plates drive the clutch spider which is spline-connected to the forward
pinion. Therefore, the forward pinion rotates in engine direction at engine speed when the forward clutch is engaged.
The forward pinion is meshed with the counter shaft gear which is keyed to the counter shaft. The propeller flange is
spline-connected to the counter shaft and, therefore, the flange rotates in anti-engine direction when in the forward
position. The counter shaft and propeller flange rotate at a reduced speed due to the ratio between the counter-shaft gear
and the forward pinion.
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