A Propellor-Type Vertical Anemometer

R. M. Holmes Canada Department of Agriculture and University of Michigan

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G. C. Gill Canada Department of Agriculture and University of Michigan

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H. W. Carson Canada Department of Agriculture and University of Michigan

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Abstract

A vertical anemometer of the propeller type is described. The instrument is sensitive and economical and output is acceptable to most zero-center millivolt recorders. The voltage output reverses in polarity when the direction of rotation reverses (updrafts or downdrafts).

Abstract

A vertical anemometer of the propeller type is described. The instrument is sensitive and economical and output is acceptable to most zero-center millivolt recorders. The voltage output reverses in polarity when the direction of rotation reverses (updrafts or downdrafts).

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