Speed indicator

Details Speed indicator Speed indicator

1983-10-11

1985-04-02

Myracle, Jerry W.

Measuring and testing

Navigation

Ship's log

416223R, G01C 2112

Patent

active

045079609

ABSTRACT:
A speed indicator for water vehicles which has a vane wheel transmitter mounted for rotation about an axis is exposed to the extent of one half thereof to the flow of water. In order to obtain a high measurement precision, the vanes of the vane wheel on their outgoing side with respect to the flow are formed with the profile of a convex streamlined airplane wing.

REFERENCES:
patent: Re28839 (1976-06-01), Overs
patent: 1558532 (1925-10-01), Chesler
patent: 2078057 (1937-04-01), Chirca
patent: 3531988 (1970-10-01), Casani et al.
patent: 4393724 (1983-07-01), Werkmann et al.

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