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Figure 7 Blister toe-in
towards the keel
Figure 8 Location
of blister relative to
the keel
857-164688 / E
Large diameter transducers must be fitted with a horizontal
support bar. This bar can then be secured to the mounting ring
using threaded rods.
→
Refer to figure 6.
The transducer cable penetrates the hull in a stuffing tube. Leave
an adequate loop of the cable behind the transducer for easy
mounting or removal of the transducer.
Observe the horizontal and vertical distances (X and Y) between
the keel and the transducer blister. On a medium sized vessel,
the horizontal distance (X) should be approximately 1 meter.
The vertical distance (Y) must in general be as small as possible.
This is important to prevent the keel from shadowing the
transducer beam in shallow waters.
Transducer installation
37
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