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 parts for servo improvements on the 25/30 HP model.
| Identifier | ExFiles\Box 105\4\ scan0196 | |
| Date | 10th March 1937 | |
| RR 755A (5H) 20396 21/7/36 J.W.S. COMPLETED 18.3.37. 25/30 H.P. STANDARDISATION of PARTS Date 10.3.37 (Crossed out: 19.11.36) Description of Parts. Servo improvements as on attached sheet. X No. 541. Drawing No. See Attch: Sheet. Part List Origin. To reduce friction losses in servo and reduce weight. Report of Experimental Test. Give more progressive braking and reduce pedal load. All parts have completed 15,000 mile tests satisfactorily (see also attached sheet). COST TABLE: MATERIAL £ s. d | LABOUR £ s. d | CHARGES £ s. d | TOTAL £ s. d Cost of Old Part: 9s 2d | 13s 5d | £1 3s 6d | £2 6s 1d Cost of New Part: 8s 7d | 13s 6d | £1 3s 8d | £2 5s 9d Nett Decrease: 4d Signature from Cost Dept. that above is correct. [Signature] 5.3.37. APPROVALS TABLE: Handwritten: 17-3-37 Agreedsy INITIAL | DATE | REMARKS WOR.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} C. | 11.3.37. | Agreed C. E.{Mr Elliott - Chief Engineer} | 11.3.37. | Agreed Da.{Bernard Day - Chassis Design} for E.{Mr Elliott - Chief Engineer} (absent). DA.{Bernard Day - Chassis Design} | 11.3.37. | Agreed Da.{Bernard Day - Chassis Design} By.{R.W. Bailey - Chief Engineer} | 12.3.37. | Agreed By.{R.W. Bailey - Chief Engineer} E.P. | 11.3.37. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} SFT.{Mr Swift} | 10.3.37. | Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer} | 11.3.37. | Agreed Mx.{John H Maddocks - Chief Proving Officer} Rm.{William Robotham - Chief Engineer} | 10.3.37. | Agreed Rm.{William Robotham - Chief Engineer} RHC.{R. H. Coverley - Production Engineer} | 11.3.37. | Agreed RHC.{R. H. Coverley - Production Engineer} STAMP: J.S. 17 MAR 1937 | ||