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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 to prepare new drawings for a 25/30.HP roller assembly and its components.

Identifier  ExFiles\Box 106\3\  scan0440
Date  6th April 1937
  
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(3) Distance pieces F.C1286 to be supplied entirely by Hoffmanns.

Our present drawings for the 25/30.HP. Roller are somewhat confusing to Hoffmanns as they were prepared for the original arrangement with Ransomes in which they ground only the ball tracks, and consist of primary and grinding drawings. Will By.{R.W. Bailey - Chief Engineer} please prepare new drawings showing (a) the complete assembly (b) the finished roller with the internal chamfer shewn on F.61355 and 0.050 - 0.060 case-hardening, (c) the inner race to suit LeC.5556 and in the black state, (d) the inner race in finished condition, (e) the distance pieces with bore altered to suit LeC.5556.

These will be urgently required should the quotation be satisfactory.

Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}
  
  


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