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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).
Recommendation to proceed with standard camshafts for F.11 engines due to RPM limitations.

Identifier  ExFiles\Box 43\3\  Scan163
Date  1st June 1927
  
To RG.{Mr Rowledge} From Hs.{Lord Ernest Hives - Chair}
c. to EY. Nor.
c. to RIC.

X4003

HS{Lord Ernest Hives - Chair}3/LCSO.6.27.

CAMSHAFTS FOR F.11. X4003 / X3872

Tests with the longer duration cams shew that the advantage to be gained from this will only be apparent when the max. revs. are above 2500 r.p.m.

With the present valve gear we cannot increase the max. speed above 2500 r.p.m. We therefore recommend that the standard camshafts are proceeded with for the engines on order.

Hs.{Lord Ernest Hives - Chair}
  
  


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