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).
Advantages of smaller wheels and comparing wheel sizes for the 18-EX and 20 HP models.

Identifier  ExFiles\Box 17\7\  Scan024
Date  2nd February 1929
  
Hs.{Lord Ernest Hives - Chair} from R.{Sir Henry Royce}
c. to SG.{Arthur F. Sidgreaves - MD} DA.{Bernard Day - Chassis Design}
c. to E.{Mr Elliott - Chief Engineer} BY.{R.W. Bailey - Chief Engineer}

47810
R7/M23. 2. 29.

SS.{S. Smith} WHEELS. X. 7810
X. 5810
X. 3725

18-EX. There is a definite advantage in lower appearance and lower gear.

20 HP. YOU will remember the struggle I had with the Dunlops said the smaller wheels would so reduce the life. Our 20 HP. wheels were much too large when compared with the 40/50.

R.{Sir Henry Royce}
  
  


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