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 report for brake drums, changing material from 'Millenite' to 'Chromidium' to reduce cost.
Identifier | ExFiles\Box 120\1\ scan0220 | |
Date | 31th August 1937 | |
RR 755B (10H) 88620 12-8-35 W.H.K. 21800 COMPLETED 7.10.37. BENTLEY STANDARDISATION of PARTS. Date: 31.8.37 No. 1028. Drawing No. GB.2635. GB.2663. Description of Parts: BRAKE DRUMS FRONT AND REAR IN "CHROMIDIUM" INSTEAD OF "MILLENITE". Origin: To reduce cost. Report of Experimental Test: Have run 12,000 miles on 3-B-IV against BZ and were in splendid condition at the end of the run. COST TABLE: 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: 2 12 1 | | | 2 12 1 Cost of New Part: 2 4 0 | | | 2 4 0 Nett Decrease: 8 1 Signature from Cost Dept. that above is correct: GRH 26.8.37. APPROVALS: INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 6-10-37. | Agreed Sg.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} C. | 6.9.37. | Agreed C. E.{Mr Elliott - Chief Engineer} | | DA.{Bernard Day - Chassis Design} | 8.9.37. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 2.9.37. | Agreed By.{R.W. Bailey - Chief Engineer} SFT.{Mr Swift} RHC.{R. H. Coverley - Production Engineer} | 30.9.37. | Agreed providing drums are produced on R.R. Foundry. MX.{John H Maddocks - Chief Proving Officer} | 1.9.37. | Agreed Mx.{John H Maddocks - Chief Proving Officer} Rm.{William Robotham - Chief Engineer} | 31.8.37. | Agreed Rm.{William Robotham - Chief Engineer} | ||