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).
List of weights and specifications for different types of tires and wheels.

Identifier  ExFiles\Box 71\2\  scan0058
Date  17th September 1928
  
OY3.R.9.17.28
-2-
September 17th, 1928.

33 x 6.75 U.S. ribbed tread S.S. tire on American
wire wheel and inner hub without brake drum - 2.79 units

Weight of wheel and tire - 87 lbs.
(without inner hub.)

7" x 20" (i.e. 32 x 6.75) U.S. Dunlop non-skid well-base
tire on American wire wheel and inner hub
(without brake drum) - 2.258 units

Weight of wheel and tire - 78 lbs.
(without inner hub.)

Very truly yours,
Maurice Olley

r/
  
  


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