Standardisation of a scraper ring due to complaints of high oil consumption.
| Identifier | ExFiles\Box 86\1\ scan0226 | |
| Date | 27th November 1936 | |
| RR 755B (10H) 88620 12-8-35 W.H.K. 21800 COMPLETED 19.12.36. BENTLEY STANDARDISATION OF PARTS. Date 2.11.36. (handwritten: 27/11/36) No. 219. Drawing No. 60821. Description of Parts: SCRAPER RING. Origin: Complaints of high oil consumption. Report of Experimental Test. This type of scraper ring has a higher En value than existing scraper ring material so that with existing dimensions a higher cylinder wall pressure is obtained. There are no alterations to existing design E.60821, with this material rings to standard dimensions give 32.0 lbs/sq.in. wall pressure. These rings have run satisfactorily in France for 15,000 miles in 6-B-IV. MATERIAL £ s. d. {John DeLooze - Company Secretary} LABOUR £ s. d. {John DeLooze - Company Secretary} CHARGES £ s. d. {John DeLooze - Company Secretary} TOTAL £ s. d. {John DeLooze - Company Secretary} Cost of Old Part: 3 19 6 Cost of New Part: 4 0 6 Labour cost unaffected. Nett Increase: 1. 0. Signature from Cost Dept. that above is correct. GRH 24.11.36. INITIAL | DATE | REMARKS SG. {Arthur F. Sidgreaves - MD} | 18-12-36 | Agreed Sg. {Arthur F. Sidgreaves - MD} WOR. {Arthur Wormald - General Works Manager} Hs. {Lord Ernest Hives - Chair} | | Agreed Hs. {Lord Ernest Hives - Chair} C. | 30.11.36. | Agreed C. E. {Mr Elliott - Chief Engineer} | 30.11.36. | Agreed E. {Mr Elliott - Chief Engineer} DA. {Bernard Day - Chassis Design} | 30.11.36. | Agreed Da. {Bernard Day - Chassis Design} BY. {R.W. Bailey - Chief Engineer} | 1.12.36. | Agreed By. {R.W. Bailey - Chief Engineer} EP. {G. Eric Platford - Chief Quality Engineer} | 27.11.36. | Agreed EP. {G. Eric Platford - Chief Quality Engineer} SFT. {Mr Swift} | 30.11.36. | Agreed Sft. {Mr Swift} MX. {John H Maddocks - Chief Proving Officer} | 27.11.36. | Agreed Mx. {John H Maddocks - Chief Proving Officer} HSK Rm. {William Robotham - Chief Engineer} | 27.11.36. | Agreed Rm. {William Robotham - Chief Engineer} RHC. {R. H. Coverley - Production Engineer} | 30.11.36. | Agreed RHC. {R. H. Coverley - Production Engineer} | ||
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).