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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).
Denying a request to delete the collar from the crankshaft front journal oil cap stud for the Wraith III.

Identifier  ExFiles\Box 8\5\  05-page10
Date  17th November 1937
  
PHO/ED.{J. L. Edwards}
O.{Mr Oldham} HY{Tom Haldenby - Plant Engineer}/NS.{Norman Scott}
C. Rm.{William Robotham - Chief Engineer}
617
Swell Do you agree R.m
WRAITH III - CRANKSHAFT FRONT JOURNAL OIL CAP STUD.

Replying to your request for the deletion of
the collar from the front journal oil cap stud, may we
point out that these collars were introduced by LeC.3515
in 1933 owing to a number of breakages of the studs, due
to whipping at high engine speeds, on the 20/25 HP.,
Bentley and Phantom II. engines.

As these collars cured the trouble of broken
studs, there seems no point in deleting them again.

EA.
  
  


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