Adjustable-pitch propeller, especially for sport boats

Marine propulsion – Screw propeller – Variable pitch

Patent

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Details

416153, B63H 300

Patent

active

060566094

ABSTRACT:
The positions of blade members on a hub of a propeller for a sport boat is determined by replaceable keys or plates fitted into openings of corresponding shape and having differently located bores determining the pitch setting. The recess can be in the seat of the hub directly or in a blade carrier plate which can be mounted on the hub.

REFERENCES:
patent: 2515607 (1950-07-01), Miller
patent: 5611665 (1997-03-01), Angel

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