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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 load specification for the Goshawk II slipper flywheel spring loading.

Identifier  ExFiles\Box 79\3\  scan0147
Date  18th January 1923
  
To Hs.{Lord Ernest Hives - Chair} [REDACTED]

X4222 BY/Shn9/DB.{Donald Bastow - Suspensions}18.1.23.

RE "GOSHAWK II" - SPRING DRIVE - SEC:5020.
SLIPPER FLYWHEEL SPRING LOADING.

With reference to the following note from the Spring Drive Arrangement drawing E.51055, will you please inform us what load should be specified at 17 1/2 radius:

"These springs to be tightened up choc-o-bloc and then unscrewed half a turn, at which position they should be split pinned. With this setting the friction is overcome when a load of is applied at 17 1/2" radius".

We require this information, because Works inform us that the springs(E.51134) now being used do not give the same chock length as those used on the first 100 sets.

Shu

BY/Shn.
  
  


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