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70th Edition, August 1990

Complete Document

Precision Motor Tachometer Generator

Includes all amendments and changes through Reaffirmation Notice , February 2008

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Product Details:

  • Revision: 70th Edition, August 1990
  • Published Date: February 2008
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 40
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:


This recommended practice establishes objectives for high performance control motor tachometer generators to be used with aeronautical and associated equipment in protective enclosures or completely within the shell of the aircraft so that they are subjected only to the internal climatic conditions of heat, cold, shock, vibration, and humidity. Control motor tachometer generators larger than size 23 are not covered in this document.

Type Designation of Control Motor Tachometer Generators:

Control motor tachometer generators are classified according to frame size, control winding voltage, power supply, variable, and environmental capability. The prefix M. G. in the frame size designates a motor generator.
AIA/NAS Aerospace Standards