EN
BTR185 INSTALLATION AND USE MANUAL - REV009A
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BTR185
4 - Installation
• Protect the gasket with gummed paper tape up to the installation of the propeller to prevent it from getting dirty (Fig. 1A).
4.1 - Counter flange’s installation
Directly access inside the hull, where the thruster will be installed.
The thruster position must enable easy maintenance operations.
Conversion from decimal to fractional inches
3 mm =
1/8” in
35 mm =
1” 3/8 in
5 mm =
3/16” in
45 mm =
1” 49/64 in
8 mm =
5/16” in
80 mm =
3” 5/32 in
8,5 mm =
21/64” in
95 mm =
3” 3/4 in
10 mm =
25/64” in
100 mm =
3” 15/16 in
15 mm =
19/32” in
280 mm =
11” 1/32 in
20 mm =
25/32” in
350 mm = 13” 25/32 in
26 mm =
1” 1/32 in
COUNTER FLANGE
GUMMED
PAPER
HT
h
Fig. 1B
HULL
COUNTER FLANGE
80/100 mm
• Use a felt-tip pen to mark the counter flange at the four positions
marked with an X on the long sides.
Calculate height using this formula:
h = 80/100mm
-
HT (hull thickness) (fig.1B).
BOW
COUNTER FLANGE
Fig. 1A
