Steering pole for jet propulsion boat

Ships – Hull or hull adjunct employing fluid dynamic forces to... – Having hydrofoil

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Details

114357, B63B 3573

Patent

active

053906225

ABSTRACT:
A control mast assembly for a small watercraft formed primarily from a unitary plastic assembly comprised of a foamed core and a surrounding protective covering. In one embodiment, the core is foamed in place and in the other the protective covering is formed from a fiberglass reinforced resin laid up around the core. Upper and lower fittings formed from lightweight metal castings provide pivotal connections to the hull of the watercraft and the support for the control mechanism.

REFERENCES:
patent: D233140 (1974-10-01), Tanaka et al.
patent: 5036789 (1991-08-01), Kelly et al.
patent: 5111765 (1992-05-01), Kobyashi

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