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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).
On replacing a serrated roller with a sliding block on the Phantom model, per scheme 2598.

Identifier  ExFiles\Box 16\7\  Scan064
Date  16th May 1928
  
Hs.{Lord Ernest Hives - Chair}
X7410
BY4/G.16.5.28.

PHANTOM. REPLACING SERRATED ROLLER BY A SERRATED SLIDING BLOCK AS SHOWN ON SCHEME 2598.

It is most important that I should point out that we cannot make sudden changes of springs without involving ourselves in a considerable amount of scrap.

We always have to carry a stock of springs over a fairly wide range, and whilst we are trying to reduce the necessary stock to a minimum there is always a period of overlapping, as the type of spring being replaced cannot stop with a series. This means that the standardisation of a point of this kind must be somewhat elastic as far as the point in which the change is brought in is concerned.

BY.{R.W. Bailey - Chief Engineer} By
  
  


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