| 摘要 |
A transmission for propeller driven vehicles comprising semi-floating input and output shafts rotatably supported in a main gear case. The shafts are supported on bearings which are free from any locking engagement with the shafts. The bearings are secured in bearing bores positioned in both the bell housing and the main gear case. A vent tube is positioned in the bell housing which is aligned with the output shaft such that the output shaft rotates about the vent tube. Also, an opening is created between the junction of the bell housing and the engine of the vehicle to be propelled. This opening acts as an air induction duct for receiving air for cooling the transmission.
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