Rolls-Royce Archives
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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).
Query regarding the possibility of omitting the exhaust choke valve provided an ejector is fitted.

Identifier  ExFiles\Box 38\4\  Scan078
Date  8th December 1924
  
To Hs.{Lord Ernest Hives - Chair} from E.{Mr Elliott - Chief Engineer}
c. to CJ.
/3436
E2/M8.12.24.
RE. EXHAUST CHOKE VALVE. X. 8230 X. 3436
Would you kindly let us know if there is any prospect of being able to do without the exhaust choke valve connected up with the accelerator pedal, provided there is an ejector in the system for the jacket connection to the silencer.
E.{Mr Elliott - Chief Engineer}
  
  


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