38 DSM300 Installation Manual
The fairing is made of high impact urethane with an integrated cutting guide. It
can be shaped to accommodate a deadrise angle of up to 25° and a range of hull
thicknesses as follows:
Figure 2-9: Deadrise Angle and Fairing Thickness
Backing Block
A backing block is used inside the hull to provide a level surface for the hull nut to
seat against (see Figure 2-9 ). After cutting the fairing, use the remaining section
with the cutting guide as the backing block (see Figure 2-10 ).
Fairing
No.
Used with Transducer
No. (model)
Max. Hull Thickness
with Fairing
E66023 E66056 (B744V)
1
" (26mm)
E66023 E66057 (B744VL)
3-3/4
" (87mm)
E66025 E66024 (B256)
1-3/4
" (45mm)
E66034 E66033 (B260)
1-3/4
" (45mm)
Aft View
minimum fairing
thickness
Hull
Slope of hull
Parallel to
water surface
Deadrise angle
Isolation sleeve
D5568-1
Fairing
Backing block
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