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Simrad 38-7
Figure 4 Large circular transducer
A
Streamlined blister
B
Stiffening rib
Drainage holes
C
D
Inclination angle
E
U-shaped support bar (recommended
on large transducers)
12
Example: Large circular transducer
The illustration below shows a typical transducer blister designed
for a large transducer. Note that due to the physical size of
the transducer, a U-shaped support bar (E) is used to support
the transducer. The purpose of this support is to prevent the
transducer from being pushed up into the blister in heavy seas.
Common guidelines
The best performance is obtained with a blister height of 40 cm
or more. A streamlined shape and rounded edges reduce the flow
noise. A vertical leading edge or front will guide the aerated
water to the sides of the blister. The orientation of the blister
should follow the water flow.
F
Forward
G
Cable service loop
Stuffing tube
H
I
Minimum 400 mm
J
Rounded corners
Air outlet
K
130003/D
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