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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).
Development and testing of induction pipes for a larger bore 20/25 engine.

Identifier  ExFiles\Box 102\1\  scan0297
Date  3rd June 1935
  
To RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/OTS. x508 Hs{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation}1/MJ.3.6.35.


INDUCTION PIPES.


Out of the tests carried out so far, we have managed to produce some very promising results in an induction system for the larger bore 20/25 engine.

We send you herewith sketch Hs.{Lord Ernest Hives - Chair}2014.

The pipe we are using at the moment is so filled with extra material to obtain the desired shape, that very little heat is available for distributing the heavier mixture. We would like this modification pushed through as soon as possible.

There are still two pipes outstanding from the last batch, instructed over a month ago, namely Hs.{Lord Ernest Hives - Chair}1931 and Hs.{Lord Ernest Hives - Chair}1933. Part of our development is being held up therefore until we get these pipes.


Hs{Lord Ernest Hives - Chair}/C.T.Salt.
  
  


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