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Transom Transducer Installation
Locating the Transducer Mounting Position
Turbulence: You must first determine the best location on the transom to
install the transducer. It is very important to locate the transducer in an area
that is relativelyfree ofturbulentwater. Consider the following tofind the best
location with the least amount of turbulence:
• As the boat moves through the water,
turbulence is generated by the weight of
the boat and the thrust of the propeller(s)
- either clockwise or counter-clockwise. This
turbulent water is normally confined to
areas immediately aft of ribs, strakes or
rows of rivets on the bottom of the
boat, and in the immediate area of the
propeller(s). Clockwise propellers create
more turbulence on the port side. On
outboard or inboard/outboard boats, it is
best tolocate the transducer atleast 15" to
the side of the propeller(s) (Figure 11).
•
The best way to locate turbulence-free
water isto view the transom while the boat
is moving. This method is recommended if
maximum high-speed operation is a high
priority. If this is not possible, select a
location on the transom where the hull
forward of this location is smooth, flat and
free of protrusions or ribs (Figure 9).
• On boats with stepped hulls, it may be
possible to mount the transducer on the
step. Do not mount the transducer on the
transom behinda step to avoid poppingthe
transducer out of the water at higher
speeds; the transducer must remain in the
water for the control head to maintain the
sonar signal (Figure 10).
Areas ofPossible Turbulence
Rivets Strakes
Transom Hull
Figure9
Stepped Hull
Rib
Step
Figure10
9
Transom Transducer Installation