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).
Continued note on spring lubrication, damper complaints, and shock absorber loading specifications.

Identifier  ExFiles\Box 67a\2\  scan0238
Date  11th November 1929
  
Hs{Lord Ernest Hives - Chair}/Am4/ADL1.11.29 contd.

-2-

it is absolutely necessary for the spring to be lubricated to get good results.

The complaints which the lubricated spring and the American type dampers sure demand the minimum of friction in the spring and the minimum slow speed damping. This is probably due to the fact that a great number of our customers use their cars principally for town work.

The american shock absorber loading is

Front Dampers. Up. 120.
" " down 120

1.055 hole in each high pressure valve.

Rear Dampers. Up 60
" " down 120

2.055 hole in each high pressure valve.

Hs{Lord Ernest Hives - Chair}/Bn.{W.O. Bentley / Mr Barrington}
  
  


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