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).
Acceleration tests showing time taken in seconds for various speed ranges.

Identifier  ExFiles\Box 29\3\  Scan078
Date  3rd June 1920
  
3.6.20.

ACCELERATION TESTS.

Hood and screen up - cut-out closed.
1/8" liners under cylinders.

Speed. Time in secs.
cut-out open.
10 to 20 M.P.H. 4 3 1/2
10 to 30 " 8 7 1/2
10 to 40 " 13 1/2 13
10 to 50 " 19 18
10 to 60 " 25 23 1/2
  
  


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