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 Dics type damper on servo suspension bracket for the 25/30 HP model.
| Identifier | ExFiles\Box 105\4\ scan0194 | |
| Date | 22th December 1936 | |
| RR. 755A (5H) 20396 21/7/36 J.W.S. COMPLETED 15.3.37. 25/30 H.P. STANDARDISATION of PARTS Date 22.12.36. X No. 551.241 Drawing No. N.Sch. Part List 4406/4457 *Description of Parts. DICS TYPE DAMPER ON SERVO SUSPENSION BRACKET. Origin. To give more consistent friction for the prevention of brake thumps. Report of Experimental Test. Completed 15,000 miles on 6-B-IV. " 15,000 " " 21-G-IV. " 35,000 " " 22-G-IV. Reported to be a considerable improvement over the present arrangement and parts were in satisfactory condition at completion of tests. MATERIAL £ s. d Cost of Old Part: 4 8 Cost of New Part: 5 2 Nett Increase: LABOUR £ s. d 3 9 4 2 CHARGES £ s. d 6 7 7 3 TOTAL £ s. d 15 0 16 7 1 7 Signature from Cost Dept. that above is correct. G/Rh.{R. Hollingworth} 2.3.37. INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 12-3-37 | Agreed Sg{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} C. | 8.3.37. | Agreed C. E.{Mr Elliott - Chief Engineer} | 7.3.37. | Agreed Da.{Bernard Day - Chassis Design} for E.{Mr Elliott - Chief Engineer} (absent). DA.{Bernard Day - Chassis Design} | 7.3.37. | Agreed Da.{Bernard Day - Chassis Design} By.{R.W. Bailey - Chief Engineer} | 5.3.37. | Agreed By.{R.W. Bailey - Chief Engineer} E.P. | 5.3.37. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} SFT.{Mr Swift} | 5.3.37. | Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer} | 5.3.37. | Agreed Mx.{John H Maddocks - Chief Proving Officer} HS.{Lord Ernest Hives - Chair} Rm{William Robotham - Chief Engineer} | 5.3.37. | Agreed Rm.{William Robotham - Chief Engineer} RHC.{R. H. Coverley - Production Engineer} | 4.3.37. | Agreed RHC.{R. H. Coverley - Production Engineer} | ||