| 摘要 |
Propulsion device for light craft characterised in that it comprises a frame (1) intended to be fixed on the craft, said frame having a plate (4), on which is pivoted a shaft (13) fastened on a large pinion (14) provided with a crank (15), the crank pin (16) of which is connected to a lever (42) connected to the shaft (13) of said large pinion (14), the latter driving, via step-up stages, a vertical shaft (10), on which a paddle-wheel (45) is fastened. <IMAGE>
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