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Available languages
Available languages
Positioning
• To avoid cavitation in the propeller, the tunnel must be positioned as low as possible.
B
• The lever effect in the boat is proportional to the distance increase (L1 and L2) detected between the barycentre and the
position of tunnel A and B (bow/stern).
F
For greater lever effect prefer position B to position A.
RETRACTABLE THRUSTER BTQR18 DP - IT GB - REV001A
minimum 0,75
times Ø tunnel
BARYCENTRE
A
L 1
L 2
INSTALLATION
A
L 1
L 2
GB
B
15
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