Semi-enclosed surfacing propeller driver system including air in

Details Semi-enclosed surfacing propeller driver system including air in Semi-enclosed surfacing propeller driver system including air in

1999-01-19

2000-04-04

Swinehart, Ed

Marine propulsion

Screw propeller

Having means to control flow around propeller

B63H 516

Patent

active

060454202

ABSTRACT:
The instant invention is directed toward a marine craft having a semi-enclosed surfacing type propeller in a tunnel that draws air through the specific areas located and shaped to enhance performance and compensate for prime mover torque and horsepower characteristics. The invention consists of these air induction features with description of their relationship to craft performance and operating characteristics. This invention also relates certain structures and configuration of these elements, as to enhanced control of said marine craft. The control of these elements having no moving parts or operator interface. Its sequencing is established by the hull movement and the water around it.

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