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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 to test a frame with great vertical stiffness to improve radiator steadiness and steering.

Identifier  ExFiles\Box 15\1\  Scan168
Date  26th October 1929
  
DA.{Bernard Day - Chassis Design} From R.{Sir Henry Royce}

x7250
R.3/M26.10.29.

c. to Sg.{Arthur F. Sidgreaves - MD}
Hs.{Lord Ernest Hives - Chair}
By.{R.W. Bailey - Chief Engineer}

TO IMPROVE RADIATOR STEADINESS AND STEERING.

X. 7250
X. 5250

I want to test a frame which has very great vertical stiffness.

For Phantom ll it would be the 8" frame, without tie-rods.

For the 25 HP. - G4. - it would be 7".

Naturally these would be stiffer at the ends. (I am especially anxious to have the front end very stiff.)

R.{Sir Henry Royce}
  
  


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