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).
Table showing compression test results at various engine speeds for a test engine.

Identifier  ExFiles\Box 19\7\  Scan021
Date  10th August 1909
  
R.R. 255a (100 T) S.H. No. 29. 2-20) G 2769
X.790.
taken by Lowe on test engine
10.8.09.

Compression at Various Speeds. 4400.

Revs. Compression!
250 78
500 79
750 80.5
1000 80
1250 77,5
1500 73.5
1750 71
2000 68
EP.{G. Eric Platford - Chief Quality Engineer}
  
  


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