Trolling driving means for boat

Details Trolling driving means for boat Trolling driving means for boat

1978-12-21

1980-04-29

Blix, Trygve M.

B63H 513

Patent

active

042000556

ABSTRACT:
This invention relates to a trolling propeller in connection with an inboard-outboard type of boat in which the improvement consists of mounting the trolling propeller onto the main propeller assembly without requiring any adjustment of the relative positions of the main and trolling propellers with respect to the boat and in utilizing the main power source to drive a main propeller or to drive the trolling propeller.

REFERENCES:
patent: 2691784 (1954-10-01), Eckl
patent: 3010422 (1961-11-01), Brakensiek
patent: 3136284 (1964-06-01), North
patent: 3139853 (1964-07-01), McCarthy et al.
patent: 3601980 (1971-08-01), Faber
patent: 3709186 (1973-01-01), Gotmalm
patent: 3917042 (1975-11-01), Summa

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