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Installing the
transducer
491 INSTALLATION MANUAL Revision A
1/3 aft
LWL
(Load Waterline Length)
outboard and I/O
step-hull
FIGURE 1: Recommended installation locations for a transducer
A flat-bottom hull provides the best environment for mounting the trans-
ducer: It provides a horizontal surface and a constant water flow over the
transducer, with little turbulence (see Figure 2 for the recommended
transducer incline angle). If the vessel has a deadrise angle greater than 5
degrees, mount the transducer on a fairing block to create a horizontal
surface and keep the transducer perpendicular to the waterline (see
Figure 3). You must order the fairing block, if needed, from the trans-
ducer's manufacturer.
SECTION TWO — Installing the transducer
pressure waves
displacement hull
planning hulls
fin keel sailboat
full keel sailboat
Best location for the transducer
150-300mm
(6-12")
inboard
PAGE 7
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