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).
The desirable proportions for sports type road springs on the 20 HP car.

Identifier  ExFiles\Box 56\3\  Scan001
Date  27th January 1931
  
X5120
To BY.{R.W. Bailey - Chief Engineer} From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}1/MJ.27.1.31.
X5410
SPORTS TYPE ROAD SPRINGS FOR THE 20 HP.
The proportions of the road springs which we thought desirable for this 20 HP. car were -
Rear. - Free camber 2.43" Pos.
Loaded camber 1.41" Neg.
Buffer clearance 2.725" Neg.
Front. -Free camber 1.05" Pos.
Loaded camber .650" Neg.
Buffer clearance 1.300"
Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
  
  


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