Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Patent
1986-05-30
1988-05-17
Basinger, Sherman D.
Marine propulsion
Operator powered drive for propelling means
Rotary cranking arm
114163, 440 53, 440 63, B63H 1620
Patent
active
047447761
ABSTRACT:
A water craft includes two parallel, spaced-apart pontoon hulls, and a superstructure bridging between the pontoon hulls. A propeller is operatively connected to foot pedals so that the propeller can be rotated to drive the craft. The propeller is supported between the two pontoon hulls, in such a way as to allow the propeller to shift laterally across the spacing between the pontoon hulls. Two rudders are provided aft of the propeller, and a steering arrangement simultaneously controls the angulation of the rudders and shifts the lateral position of the propeller toward the pontoon hull which would describe the outside arc for the turning maneuver in the desired direction.
REFERENCES:
patent: 2652019 (1953-09-01), Hurst
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