Raymarine ST60 Owner's Handbook Manual page 24

12
The transducer types required for the various hull types are as follows:
Hull material
Glass reinforced plastic (GRP)
Steel
Aluminium
Wood
Other transducer types are also available for specific requirements. For further
details, contact your local Raymarine dealer.
For accurate speed readings the transducer should be sited within the clear water
flow areas indicated by the shaded areas in the following diagram.
Transducer siting
The transducer should also:
• Be ahead of the propellers (by a minimum of 10% of the water line length).
• Be at least 6 in (150 mm) away from the keel (ideally ahead of the keel if a sail-
ing yacht).
• Be as near as possible to the center line of the vessel.
• Be clear of other through-hull fittings or projections.
ST60 Speed Instrument Owner's Handbook
Transducer type
M78712 Through hull plastic
M78712 Through hull plastic
M78712 Through hull plastic
M78716 Through hull bronze
Sailing vessel
Planing power
vessel
Displacement power
vessel
D4349-1