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Specification for a starter motor for the 16-EX model, with modifications for the ERC-7.


Identifier  ExFiles\Box 64\1\  scan0265
Date  10th December 1926
  
X7620
C. EFC. {E. Fowler Clarke - Electrical Engineer}
BY {R.W. Bailey - Chief Engineer} /RD5/ML10.12.26.

E.A.C.V11 - STARTER MOTOR FOR 16-EX.

Referring to EFC {E. Fowler Clarke - Electrical Engineer} 2/T1.1226, wherein it is requested that the "C" Motor for ERC-7 be similar to the "A" motor except that the field will be wound 2 Parallel and 2 Series, we now send you herewith blue-prints of:-

D.71246 - Frame and Field Winding Arrgt:
D.71246 - " " L.O.P.
D.71247 - Cable Eye (Positive Main).
D.71248 - Cable Eye.

This will enable you to put the job in hand.

A complete Motor will consist of the following Sections:-

Armature. 8000. D.70812.
Commutator. 8010. D.70879.
Bearing Brkts: 8020. D.70823.
Frame & Field Winding. 8030. D.71246.
Reduction Gear. 8040. D.71073. 22.37-1 ratio & using the shaft and pinion with 70° Helix thread.

BY {R.W. Bailey - Chief Engineer} /RD.
H.E.W.

[Stamp]: RECEIVED
[Stamp]: HS {Lord Ernest Hives - Chair} DEC 10 1926
  
  
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).


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