Bow thrusters can be powered by diesel engines,electric motors or hydraulic motors.
An additional reversing gearbox is required if the thruster is powered by a diesel engine.
Common brand of motor:ABB,SIEMENS,SCHNEIDER ETC.
Common brand of Frequency converter:ABB,DANFOSS,SIEMENS,SCHNEIDER ETC.
When fixed-pitch propellers are used, electric and hydraulic motors allow the direction of thrust to be reversed.
| Controllable pitch propeller tunnel thruster parameters |
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| Model | CP-1000 | CP-1100 | CP-1300 | CP-1650 | CP-2000 | CP-2400 | CP-2800 |
| Max input power | 280 | 315/335 | 445/480 | 680/730 | 1050/900 | 1580/1720 | 2000/1910 |
| Ratio | 3.09 | 3.09 | 3.78 | 4.72 | 4.82 | 4.645 | 4.395 |
| Max input speed | 1450/1750 | 1450/1750 | 1450/1750 | 1450/1750 | 1450/1190 | 980/1190 | 980/880 |
| Propeller speed | 469.1/560 | 469/566 | 384/463 | 307/370 | 301/247 | 211/256 | 223/200 |
| Propeller diameter | 1000 | 1100 | 1300 | 1650 | 2000 | 2400 | 2800 |
| Max thrust | 43 | 46/47 | 66/67 | 97/105 | 155/144 | 239/242 | 298/297 |
| Cylinder length | 1045 | 1045 | 1190 | 1446 | 1680 | 1990 | 2280 |
| Cylinder internal | 1020 | 1120 | 1328 | 1680 | 2030 | 2430 | 2836 |
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