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INSTALLATION
EN
• The rounded ends of the tunnel prevent the creation of turbulence and cavitation, improving performance of the propeller
thrust and reducing noise levels to a minimum.
• The force produced by the flow of the water when the boat is moving produces resistance on the rear face of the tunnel,
which is an area exposed frontally to the water flow.
To limit this phenomenon, prepare an indentation in the rear part of the tunnel. Otherwise, create a deflector on the front
part of the tunnel.
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• If the tunnel is near the waterline, it is advisable to fit a grating at the end
of the tube.
The grating must have as large a vertical mesh as possible to avoid contrast-
ing the propeller thrust. The vertical mesh prevents the entry of most of the
floating objects.
BOW THRUSTER BTQ250 - BTQ300 IT EN - REV006C
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