Water jet propelling apparatus for boats

Details Water jet propelling apparatus for boats Water jet propelling apparatus for boats

1974-05-22

1976-02-10

Blix, Trygve M.

B63H 1100

Patent

active

039371727

ABSTRACT:
A water jet propelling apparatus for boats forces waters by a pump through a nozzle directed astern of the boat. A curved lowerable jet-deflecting surface downwardly and forwardly deflects the water and reverses the thrust; and a pair of steerable parallel rudder blades are pivotable in unison for laterally deviating the jet. The jet-deflecting surface has symmetrical channel-like side portions which directs water escaping laterally from the clearance between the trailing edges of the rudder blades and the jet-deflecting surface forwardly towards the bow to enhance the reverse thrust, and a central portion which is complementally shaped with the welder blades for maintaining the clearance with the latter constant for various pivotal deviations of the blades.

REFERENCES:
patent: 3114239 (1963-12-01), Aylor
patent: 3422789 (1969-01-01), Wynne et al.
patent: 3465705 (1969-09-01), Castoldi

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