Model submarine

Details Model submarine Model submarine

1986-05-22

1989-05-02

Hafer, Robert A.

Amusement devices: toys

Aquatic

Boat

446155, 446211, 114333, 114150, A63H 2302, A63H 2304, A63H 2706

Patent

active

048264652

ABSTRACT:
A diving model submarine utilizes an automatic depth level control mechanism, water jet propulsion, a water powered aspirator for ballast tank evacuation, hydraulic control of steering, diving plane attitude, and ballast tank valve action. The model diving submarine is controlled by radio signals and fires torpedos.

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patent: 3342032 (1967-09-01), Cox et al.
patent: 3419997 (1969-01-01), Owbridge
patent: 3447552 (1969-06-01), Grosson
patent: 3545886 (1970-12-01), Chalom

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