Rolls-Royce Archives
         « Prev  Box Series  Next »        

Page of calculations for a starter motor, detailing conductor conversion formulas.


Identifier  ExFiles\Box 61b\3\  scan0107
Date  13th July 1928
  
X593
6027. 13.7.28.

STARTER MOTOR.

Conductor conversion :-

134000 VC = 1587 T N

V {VIENNA} /N = 1587/134000 T/C

= .01184 T/C

otherwise:-

ø = (60 x 10^8 x b x V) / (Z N P) = (10^8 x b x T) / (1.41 Z P C)

i.e. V {VIENNA} /N = T / (60 x 1.41 C)

= .01184 T/C

EFC. {E. Fowler Clarke - Electrical Engineer}
  
  
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).


Copyright Sustain 2026, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙