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SAE AIR857 Revision A, August 1, 1996
Complete Document
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Speed Variation of D-C Motors
Includes all amendments and changes through Reaffirmation Notice , July 2010
Page Count:16
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AIA/NAS Aerospace Standards
The scope of this SAE Aerospace Information Report (AIR) is a review of the factors contributing to speed variation of d-c motors, a presentation of typical data showing speed variation as a function of certain variables for representative motors, and a recommendation of a means of improving communications between motor users and manufacturers.

The following analysis is limited to variations in voltage, torque, temperature, and altitude of the same magnitude as in MIL-M-8609.