Motorboat propeller

Details Motorboat propeller Motorboat propeller

1996-02-21

1997-12-09

Sotelo, Jesus D.

Marine propulsion

Screw propeller

416244B, B63H 114

Patent

active

056953704

ABSTRACT:
A motorboat propeller comprises a hub and a plurality of blades mounted on the hub. The hub comprises peripherally along the axis thereof a front segment, a midsegment and a rear segment. The hub has a hollow interior provided therein with a shaft tube extending along the direction of the axis of the hub and corresponding in location to the midsegment of the hub. The midsegment has a recessed periphery. Located between the inner periphery of the midsegment and the outer periphery of the shaft tube is a connection portion having a correction end to facilitate the work of correcting the position of the center of gravity of the motorboat propeller. The midsegment of the hub can accommodate a greater amount of water for generating a greater backward thrust of water to propel the motorboat.

REFERENCES:
patent: 2934150 (1960-04-01), Fink
patent: 4790725 (1988-12-01), Bousquet et al.
patent: 5451143 (1995-09-01), Lin

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