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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).
Request for the manufacture of two sets of 25 HP carburetter parts to test variations in consumption at extreme drawing limits.

Identifier  ExFiles\Box 102\1\  scan0293
Date  31th May 1935
  
To RHC.{R. H. Coverley - Production Engineer}

4508

HS{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}3/KW.31.5.35.

25 HP. Carburetter.

In order to find what the variation in consumption is with the drawing limits in the extreme, will you please make for us two sets of parts.

Attached drawings shew the strongest condition in red and the weakest in blue. The results of these tests should give us a definite proof of whether it is necessary to tighten up the existing limits.

In each case will you please fit the standard 25 HP. suction piston.

HS{Lord Ernest Hives - Chair}/L.H.Swindall.
  
  


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