Measuring and testing – Navigation – Leeway incidence or side-slip
Patent
1987-11-16
1989-09-12
Ruehl, Charles A.
Measuring and testing
Navigation
Leeway incidence or side-slip
273 32H, G01W 102, A63B 5700
Patent
active
048648540
ABSTRACT:
A device for measuring wind direction and velocity and for instantaneously providing the golfer with an indication of the proper golf club to select under the measured wind conditions. The device comprises a means for indicating wind direction relative to the desired line of flight of the golf ball. Additionally, the device comprises a means for measuring wind velocity and is provided with precalibrated indicia relating the measured wind velocity to the number of numerical club designations by which the golfer should increase or decrease the club number which would normally be selected under windless conditions.
REFERENCES:
patent: 2491176 (1949-12-01), Hammond
patent: 2889707 (1959-06-01), Snider
patent: 3744714 (1973-07-01), Banner
patent: 4136394 (1979-01-01), Jones et al.
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