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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).
Letter responding to questions about bearing location and the addition of a chamfer.

Identifier  ExFiles\Box 115\4\  scan0052
Date  11th March 1940
  
Rm.{William Robotham - Chief Engineer}4/ML.

Yr. ref: FB/CJR. Ext. 26.
4612.

11.3.40.

J.Howlett,Esq.,
Wellworthy Piston Rings.Ltd.,
Lymington.
Hants.

Dear Howlett,

Many thanks for your letter of the 7th. March.

The answers to your questions are as follows:-

(1) We find that we do not have to locate the top half of the bearing as long as we dowel the bottom half.

(2) We agree that, though we have run bearings without a chamfer at the ends, we would be better with a small radius. Will you therefore, please give us a .010 chamfer.

Yours sincerely,
  
  


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