Raytheon ST60 - Transducer siting

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ST60 Tridata Instrument Owner’s Handbook
Hull material Speed transducer Depth transducer
Glass reinforced M78712 Through hull plastic M78713 Through hull plastic, or
plastic (GRP) M78718 Retractable through hull
Steel M78712 Through hull plastic M78713 Through hull plastic, or
M78718 Retractable through hull
Aluminium M78712 Through hull plastic M78713 Through hull plastic, or
M78718 Retractable through hull
Wood M78716 Through hull bronze M78714 Through hull bronze, or
M78919 Retractable through hull
bronze
Other transducer types are also available for specific requirements. For
further details, contact your local Raytheon dealer.
For accurate speed and depth readings the transducers should be sited
within the clear water flow areas indicated by the shaded areas in the
following diagram.
Sailing vessel
Planing power
vessel
Displacement power
vessel
Transducer siting
D4349-1
The transducer should also:
• Be ahead of the propellers (10% of the water line length minimum).
• Be at least 150 mm (6 in) away from the keel (ideally ahead of the
keel if a sailing yacht).
• Be as near as possible to the centre line of the vessel.
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