? Seawater resistant bronce, CNC machined in one process to ensure 100% correct tolerances, angles and measurements.
? Oil filled with header tank and breathing to ensure long lifetime and no contamination of oil.
? Marine grade seals with protective lip and mechanically protected by special propeller hub design. Hardened and ground precision spiro-conical gears.
? Propeller shaft with double ball bearings fitted in correct tolerances.
? Driveshaft with ball bearing and special sleeve bearing in correct tolerances.
? Connection between motor and driveshaft by flexible coupler.
Safety features on thruster (see separate sheet for control panels):
- Forced shut-down by overheat sensor in motor
- All internal leads with extra insulation of webbed silicon increase resistance to heat and mechanical wear. Connectors have positive locking so that you have to pull by the insulator to release, can not be pulled off by the wires or loosen by themselves. Self extinguishing solenoid cover.
- IPC Standard electronic control box for protection against:
- direct drive direction change
- unique, patented protection of solenoid from extra wear and damages in low voltage situations for example caused by drained or damaged batteries as well as ?auto-stop? without the need for the skipper to shut down the main switch immidiately to stop the thruster in case of a solenoid lock-in **
- auto-stop if control signal is continous for more than 3 minutes to protect against potential short circuit in control cables.
Notes !
* Actual performances, current consumption etc. will vary for each installation depending on many factors.
Spesifications here given at one tunnel diameter depth and with voltage at thruster as shown. If you install deeper the thrust will be more as well as the current consumption, and the running time will be reduced. Electromotors power and afficiency tolerances are +/- 6%.
* * New patented safety features in the thruster controlbox will be available in 2005 model year units.
50'