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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).
Internal order for Phantom 1 front and rear road springs with specific technical requirements.

Identifier  ExFiles\Box 67a\2\  scan0266
Date  28th January 1931
  
x8410
O.O. From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}1/MJ.28.1.31.
X.4429.
X.8410.

Will you please order for us the following Phantom 1 road springs :-

Rear. Unloaded Camber 3.75".
Loaded Camber 1.5".
Poundage at 1.5" Neg. 2150.
(Otherwise to F.10612).

Front. Unloaded Camber 4.1".
Loaded Camber .500" Neg.
Poundage 1275.
(Otherwise to F.71975).

These springs to be grooved for lubrication.

Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
  
  


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