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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).
Potential modifications to suspension springs, including split leaves and under-axle mounting.

Identifier  ExFiles\Box 80\2\  scan0179
Date  21th July 1920
  
To Hs.{Lord Ernest Hives - Chair} from R,
Copy to CJ.

X 2628

R3/G21.7.20.

X.2628.
X.1295.

RE SPRINGS.

X.2650.

You will notice in some of my recent memos that I have the impression that we have lost considerably in beaty of suspension by doing away with the split leaves of the springs.
To retain some of the advantages of these we might split them less far along, say, half and two-thirds, instead or gith up to the central fixing.

Also, somewhat the same effect is obtained by putting the spring under instead of over the axle, as the control of the body in this position is less severe, and therefore the road reactions are less severe. It would, however, require considerable experience with these two modifications before we can think of recommending their adoption, but I should like you to test them whenever an opportunity permits.

R.{Sir Henry Royce}

R.R. 235A (100 T) (S. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 642, 19-2-20) G 2618
  
  


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