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).
Tyre tread pattern print with specifications for a Goodyear H.D. tyre.

Identifier  ExFiles\Box 29\4\  Scan154
Date  22th November 1933 guessed
  
- GOODYEAR H.D. - SIZE 5.50/18 (28x5.50)
TOTAL AREA = 18.10 SQ. INS.
ROAD CONTACT " = 12.25 "
GROOVE " = 5.85 "
SKID LINE LENGTH = 51 7/8"
LOAD = 8 CWTS.
  
  


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