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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).
Standardisation of various aero engine parts, listing proposals for review.

Identifier  ExFiles\Box 29\2\  Scan016
Date  13th July 1917
  
S J S 185 (400 T) (S. C. 838. 15-1-16) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1546.

To By.{R.W. Bailey - Chief Engineer} from EFC. EFC5/T13.7.17.


X.3066 - RE STANDARDISATION SHEETS

We have not yet had from you a list of
Aero Engine parts for standardisation, as the result of
sending you copies of our urgency list of experiments.
We are now suggesting [handwritten correction: suggest] a few of these
in the list below. This list is probably not complete,
and may include some that are not for standardisation,
but we give it as what we think may be standardised.

Will you kindly let us know which of these
we may standardise right away, and also suggest any others
you may have in mind.

X.3015 - 3-Way petrol connection for R.R.C.H. carburetters
recommended by Mr. Hives for standardisation.
(Eagle).

X.2843 - New type castellated nuts to LeC.710
incorporating alterations instructed in
Mr. Elliott's memo E1/B31517. (Eagle).

X.2850 - Main bearing bolts with ground stems to LeC.714
incorporating alteration instructed by Mr.
Elliott's memo E1/B1617 in the case of the
Falcon only. (Eagle & Falcon.)

X.2909 - Improved and lightened type camshaft drive
(Eagle).

X.2926 - " " " " " " (Falcon)

X.3001 - New type tappet adjustment to LeC.775 but with
spherical instead of cylindrical surface tappets.

X.2678 - Oil pump annulus in nickel steel to give a
Brinell figure of 220 ( Would you kindly see [handwritten correction: say]
if it has been decided by the Works whether
they would prefer to use [crossed out] the [handwritten insertion] standard hardened
type annulus). [handwritten addition: produce this, or]

Contd.
  
  


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