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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).
Requesting a sketch to clarify the placement of a parallel resistance in the EAC Silent Starter circuit.

Identifier  ExFiles\Box 64\3\  scan0058
Date  1st September 1926
  
X7650

TO EFC. FROM AJS.

Copy to ------

AJS1/M9.1.26.

EAC. SILENT STARTER.

Referring to your report EFC2/T181125., on the 4th page of this you refer to a parallel resistance in the extract below:-

" then through the main switch coil and
" parallel resistance and to earth through
" the actuator box contact".

Would you kindly make us a rough sketch shewing exactly where this resistance is placed?

We presume that the non-inductive resistance as shewn on LeC. 1802. is still used. If you think you can enlighten us in any way about any alterations that have been made, such as adding resistances or such features to the starter circuit which we have no knowledge of here, would you kindly let us know.

(Stamp: 1804)

AJS.

(Watermark: MADE AT CROXLEY)
  
  


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