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).
Clutch spinning and acceleration performance tests.

Identifier  ExFiles\Box 29\3\  Scan130
Date  1st August 1925 guessed
  
Clutch spinning and acceleration.

It was found that though in accelerating from 10 - 35 m.p.h. on 3rd. speed, the time taken was 3 secs. less than on direct drive, in accelerating from 10 - 60 m.p.h. using 3rd. speed and top, the gain was only 1 2/5 secs. due to the slow gear change necessary losing a considerable amount of time.

Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}

MADE AT CROWLEY
  
  


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