Mechanical laboratory methods; the testing of instruments and machines in the mechanical engineering laboratory and in practice (1922)
Smallwood, Julian Chase · New York, D. Van Nostrand company · leaf 61
trifugal force acting on these;parts maycause a distortion of the indica-tions. This is allowed for underthe windage corrections. (d) Comparison with PronyBrake Measurements is the mostvalid means of calibrating anytransmission dvnamometer. To ^ Plate carry mqpulleys. / I Wil \ free to turn on… … 9 DYNAMOMETERS 45 operation. The torque shown by the prony brake is the truetorque measured by the corresponding weight. When a jockyweight is used as for the Webber dynamometer, a calibrationcurve of torque against jockey weight positions is convenient. If the dynamometer is to be used at various…
Mechanical engineering
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