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INSTALLATION
EN
RETRACTABLE THRUSTER BTR185 - IT EN - REV008B
• To avoid cavitation in the propeller, the tunnel must be positioned as low as possible.
minimum 0,75
times
Ø
tunnel
BARYCENTRE
L 2
• The longer L1 and L2 lengths will be, the greater will be the thrust generated around the center of gravity.
L 1
For aluminium alloy hulls, like for stainless steel hulls, the support must be welded to the hull.
If correct, the installation of a boxed structure like that of the support, can give greater sturdiness to the hull. Consult the man-
ufacturer, naval architects and/or specialised companies to evaluate additional work which beams and ribs near the retractable
propulsion unit.
Positioning
INSTALLATION
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