Stabilizer keel

Details Stabilizer keel Stabilizer keel

1977-01-13

1978-03-07

Blix, Trygve M.

Ships

Building

Canal and ferry boats

114140, 114274, A63C 500

Patent

active

040770770

ABSTRACT:
A stabilizer keel for water surface vehicles. The keel includes a pair of pivoted keel plates that are pivoted on a stationary base member by an integral hinge. The plates are urged apart about the axis of the hinge to normally form a V-configuration for the purpose of stabilizing the object to which the keel is mounted; for example, a water ski. The hinge axis is inclined so the plates, when in the open, V-configuration, will lift upwardly against the ski upon movement of the ski in a forward direction. As forward velocity is increased, pressure against the plates also increases, causing them to swing inwardly against resistance of the spring. Thus, at relatively high speeds, the plates come together to form a substantially standard shaped keel.

REFERENCES:
patent: 1452790 (1923-04-01), Claupin
patent: 3087173 (1963-04-01), Meyer
patent: 3090978 (1963-05-01), Hanson
patent: 3170432 (1965-02-01), Roper
patent: 3395410 (1968-08-01), Rutland et al.
patent: 3516100 (1970-06-01), Ellis
patent: 3802369 (1974-04-01), Ishimoto

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