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 sheet for exhaust valves E.53158, replacing a previous version that failed during tests in France.
| Identifier | ExFiles\Box 154a\1\ scan0204 | |
| Date | 16th April 1930 | |
| RR 755 REVISED (10H) (DF 687 4-1-29) BM. 2/5943. X1474 COMPLETED 28.5.30. STANDARDISATION of CHASSIS PARTS. Date 16.4.30. X No. X/1474 5230 Drawing No. Part List Description of Parts. EXHAUST VALVES E.53158. S/SLV. Origin. To replace Firth's H.R.Steel E.5559 which failed during tests in France. Experimental Test Report. Run 9,000 miles without failure. This is the previous standard material which has given no trouble. Road Test Report. Fitted to 14-G4 and run 9,000 miles without showing any signs of failure. [Action Box] A Scrap and replace at all costs, including Chassis already delivered to Customers. B Scrap and replace on Chassis in Works. C Scrap present stock and replace on all Chassis not yet handed to test. D Use existing stock Alteration effective on future Chassis. [Cost Box] Weight of Old Part. Weight of New Part. Difference per Car. £ Cost of Old Part. £ Cost of New Part. £ Difference per Car. £ Cost of Parts in Works which will be scrapped if commenced on :- Series..........£....... Series..........£....... Series..........£....... [Handwritten/Stamped in middle] 20/25 H.P. Cancels Standardisation Sheet X.1474. Wor.{Arthur Wormald - General Works Manager} Signature from Cost Dept. that above is correct. c/Tb.19.5.30 G.20.5.30. [Approval Table] INITIAL | DATE | REMARKS BJ. | 21.5.30 | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 29.4.30 | Agreed p.p. R.{Sir Henry Royce} By.{R.W. Bailey - Chief Engineer} - Hs.{Lord Ernest Hives - Chair}& E.{Mr Elliott - Chief Engineer} absent in France. WOR.{Arthur Wormald - General Works Manager} | 17.4.30 | Agreed Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 17.4.30 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 17.4.30 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 17.4.30 | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 24.4.30 | Agreed. No cars to be passed unless as above. Present exh. H.R.steel to be changed! E.{Mr Elliott - Chief Engineer} | 17.4.30 | Agreed AE. Arranged Da.{Bernard Day - Chassis Design} and Sft.{Mr Swift} XP. PN.{Mr Northey} | 24.4.30 | Agreed PN.{Mr Northey} CWB. | 17.4.30 | Agreed C. HS.{Lord Ernest Hives - Chair} | | Agreed. | ||