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 disc type damper on the servo suspension bracket to prevent brake thumps.
| Identifier | ExFiles\Box 87\5\ scan0072 | |
| Date | 22th December 1936 | |
| RR 755B (rOH) 88620 12-8-35 W.H.K. 2x800 COMPLETED 15.3.37. BENTLEY STANDARDISATION of PARTS. Date 22.12.36 X No. 251. LhL Drawing No. N.Sch.4406. 4457 Description of Parts: DISC 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-V.{VIENNA} Reported to be a considerable improvement over the present arrangement and parts were in satisfactory condition at completion of tests. MATERIAL LABOUR CHARGES TOTAL £ s. d.{John DeLooze - Company Secretary} £ s. d.{John DeLooze - Company Secretary} £ s. d.{John DeLooze - Company Secretary} £ s. d.{John DeLooze - Company Secretary} Cost of Old Part 5 8 3 3 5 8 14 7 Cost of New Part 5 5 3 11 6 10 16 2 Nett Increase 1 7 Signature from Cost Dept. that above is correct. G/RL 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} EP.{G. Eric Platford - Chief Quality Engineer} 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} 4.3.37. Agreed Mx.{John H Maddocks - Chief Proving Officer} HS.{Lord Ernest Hives - Chair} Rm.{William Robotham - Chief Engineer} 3.3.37. Agreed Rm.{William Robotham - Chief Engineer} RHC.{R. H. Coverley - Production Engineer} 4.3.37. Agreed RHC.{R. H. Coverley - Production Engineer} STAMP: J.S. 12 MAR 1937 | ||