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).
Request for two new, stronger fan pulley springs for Diamond mounted cars.

Identifier  ExFiles\Box 14\7\  Scan052
Date  7th December 1931
  
R.H.C. FROM Hs{Lord Ernest Hives - Chair}/Les.{Ivan A. Leslie} 87220. Hs{Lord Ernest Hives - Chair}/Les.6/MA.7.12.31.

FAN PULLEY SPRINGS PII.

Owing to the fact that the fan belt is hitting
the brackets on the wheel case on Diamond mounted cars,
will you please make two of each of the following springs,
which are considerably stronger than the present ones.

A B
Inside Dia. .500" .500"
DIAM OF WIRE. 11SWG. 9 SWG.
LOAD AT .650" 80lbs 120lbs.
No of working
coils. 3.5 2
Total No of coils. 5.5 4
Free length. .895" .750"


Hs{Lord Ernest Hives - Chair}/Les.{Ivan A. Leslie}
  
  


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