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 114º long duration camshaft with stronger tappet springs.
| Identifier | ExFiles\Box 13\2\ 02-page165 | |
| Date | 6th September 1932 | |
| RR 758 (10H) (30405, 21-4-32) BM. 3/6382/4. X1090. COMPLETED 29.11.32. STANDARDISATION of CHASSIS PARTS. Date 6.9.32. X No. 7090 Drawing E.{Mr Elliott - Chief Engineer} No. 82448 Part No. HS.{Lord Ernest Hives - Chair} 502 List Description of Parts. 114º 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 15,000 miles in France. We experienced no trouble with either the camshaft or the stronger tappet springs. Weight of Old Part. Cost of Old Part. £ 2-11-9 Weight of New Part. Cost of New Part. £ 2-12-9 Difference per Car. £0-1-0 Increase Signature from Cost Dept. that above is correct. GHR 23/11/32. R.L. 24/11/32 Cost of Parts in Works which will be scrapped if commenced on :- Series.........£......... Series.........£......... Series.........£......... 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 FHR. WOR.{Arthur Wormald - General Works Manager} | 7.9.32. | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 8.9.32. | 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} STAMPS: PHANTOM II, J.S. 25 NOV 1932. | ||