Last update: February 2018
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The minimum acceptable tunnel position is 82 mm below the waterline
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The tunnel is ideally positioned when the distance between the waterline
and the top of the installed tunnel is 110 mm
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The tunnel must be installed as far forward as possible
NB: A thruster turbine installed above its ideal position towards its minimum depth will
lead to a progressive loss of performance.
Whether vertical, inclined or horizontal, it is recommended to support the electric motor.
The electric motor generates heat when in operation. The zone in which the thruster is
installed must therefore be dry and ventilated.
The batteries used by the thruster must be charged by both the main engine's alternator
and an appropriate battery charger.
If the thruster is installed using a dedicated battery bank, this must be as close as
possible to the thruster in order to reduce voltage loss in the electric cables.
CAUTION: In no case should flammable products be stored near to the electric
components of the motor.
The propeller must be centered in the tunnel.
In no case should the propeller protrude out of the tunnel.
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