Boat-propeller unit

Details Boat-propeller unit Boat-propeller unit

1989-10-25

1991-01-15

Basinger, Sherman

Marine propulsion

Diverse engine means

440000, B63H 512

Patent

active

049850059

ABSTRACT:
A boat-propeller unit comprises a carrier (4), a propeller-leg (5) and a sensor (13) which senses the angle of the propeller-leg relative to the carrier and which is intended for connection to an electrical indicating instrument mounted on the instrument panel of the boat. The sensor is of the kind which produces an output signal which varies as the distance of the sensor from an object and which is located centrally of a surface (11) on the propeller-leg, the distance of which from the sensor varies with changes in the angle of the propeller-leg relative to the carrier.

REFERENCES:
patent: 4624643 (1986-11-01), Ohlsson et al.
patent: 4741713 (1988-05-01), Ohlsson et al.
patent: 4789362 (1988-12-01), Holt et al.
patent: 4865568 (1989-09-01), Kolke

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