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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 query regarding the flexibility and periodicity of springs for the 25/30 HP model.

Identifier  ExFiles\Box 146\2\  scan0063
Date  14th January 1937
  
Rolls-Royce, Ltd.,
DERBY...........Rm{William Robotham - Chief Engineer}/Les.{Ivan A. Leslie}

Sr5/Crn.14.I.37.

25/30 HP springs.

I am anxious to know what is the flexibility and periodicity of low rating springs on the 25/30 HP.

Have we any springs of a greater flexibility than the low rating springs, and if so what are the figures ?

I should appreciate your kindness in letting me have this information as soon as possible.

Les

Sr.
  
  


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