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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 a 114° camshaft long duration in conjunction with stronger tappet springs.

Identifier  ExFiles\Box 171\2\  img072
Date  6th September 1932
  
RR 785 (10M) (30405. 21-4-32) BM. 3/8382/4.
COMPLETED 29.11.32.
ORIGINAL
STANDARDISATION of CHASSIS PARTS.
Date 6.9.32.
X No. 7090
Drawing B No. 82448
Part Hs.{Lord Ernest Hives - Chair} 502 List
Description of Parts. 114° CAMSHAFT LONG DURATION IN CONJUNCTION WITH STRONGER TAPPET SPRINGS.
Origin. To increase efficiency of engine.
Experimental Test Report.
This camshaft has been fitted to 20-EX. and 22-EX. with satisfactory results.
Road Test Report.
Fitted to 19-EX. and ran 14,000 miles in France. We experienced no trouble with either the camshaft or the stronger tappet springs.
Weight of Old Part. ********
Cost of Old Part. £ 2-11-9d.
Cost of Parts in Works which will be scrapped if commenced on :-
Weight of New Part. ********
Cost of New Part. £ 2-12-9d.
Series.........£.......
Difference per Car. £ 0-1-0d. Increase
Series.........£.......
Signature from Cost Dept. that above is correct. C/Rb.{R. Bowen} 23.11.32. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 24.11.32
Series...F...£.......
INITIAL | DATE | REMARKS
SG.{Arthur F. Sidgreaves - MD} | 28.11.32. | Agreed SG.{Arthur F. Sidgreaves - MD}
R.{Sir Henry Royce} | 14/9/32 | Agreed R (handwritten)
WOR.{Arthur Wormald - General Works Manager} | 7.9.32. | Agreed Wor.{Arthur Wormald - General Works Manager}
C. | 7.9.32. | Agreed C.
RG.{Mr Rowledge} | 13.9.32. | Agreed Rg.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} | 10.9.32. | Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} | 7.9.32. | Agreed BY.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} | 19.9.32. | Agreed EP.{G. Eric Platford - Chief Quality Engineer}
E.{Mr Elliott - Chief Engineer} | 8.9.32. | Agreed AE.
PN.{Mr Northey} | 19.9.32. | Agreed PN.{Mr Northey}
HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair}
  
  


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