Raymarine ST40 Dokumentacja Pobierz pdf (Strona 21)

12 ST40 Speed Instrument Owner’s Handbook

The transducer should:

• Be ahead of the propellers (by a minimum of 10% of the water line

length ).

• 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.

• Be clear of other through-hull fittings or projections.

• Have sufficient clearance inside the hull to fit the nut.

• Have 100 mm (4 in) of headroom to allow for withdrawal.

The transducer 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

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Raymarine ST40 Dokumentacja Strona 21