| After-sales Service: | 1 Year |
|---|---|
| Warranty: | 1 Year |
| Rated Speed: | 1500-3000 |
| Reduction Ratio: | 1.94:1 |
| Kw/Rpm: | 0.02, 0.018, 0.016, 0.014, 0.013, 0.011 |
| Speed: | 1800rpm, 2100rpm |
| Customization: |
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Audited Supplier The gearbox on a marine diesel engine has three purposes: to reduce the maximum speed at which the propeller rotates; to enable both forward and astern rotation of the propeller; and to enable the propeller to remain stationary when the engine is running. Unlike a car gearbox, there is usually only one forward gear and the clutch is contained within the gearbox.
Because modern engines run at too high a speed for normal operation of the propeller, gearing reduction is required. The reduction gear ratio is usually between 2:1 and 3:1, with different manufacturers often using differing ratios.
The input shaft to the gearbox is separate from the output shaft.
It can drive the output shaft by either of two sets of gears to give forward or astern propulsion, with the output shaft connected to the appropriate set of gears using one of two separate clutches. It is these clutches that are operated by the gear selector rather than the gears themselves, as is the case in a car. In other words, one clutch for ahead, one for astern. And never both at the same time.
Introduction:| place of origin | China (mainland) |
| net weight | 120kg |
| reduction ratio | 1.94:1 |
| motor | 1800, 2100rpm |
| packge | wooden case |
| operation | semi-automatic |
| Model | 120C |
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