Browsing Aeronautical Research Committee Reports & Memoranda by Author "J. R. Forshaw"

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Design and development of a torsiograph having a serrated-condenser pick-up unit

B. C. Carter; J. R. Forshaw (H. M. Stationery Office, 1942)

The instrument that forms the subject for this report has a condenser pick-up unit to which a carrier wave is applied : it measures, directly, instantaneous angular displacements due to shaft twist. The pick-up originated ...
Torsiograph observations on a merlin ii engine, using a serrated-condenser pick-up, with five different pitch settings of the propeller blade

B. C. Carter; J. R. Forshaw (H. M. Stationery Office, 1943)

This report is based upon the first application of the torsiograph described in Reference I, the observations being made in the course of development of the instrument. Subsequent applications have been to Merlin 61 and ...

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