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 Phantom III brake friction lining made of Ferodo M.R. to increase braking power and reduce squeak.
| Identifier | ExFiles\Box 171\2\ img355 | |
| Date | 4th October 1937 | |
| RR 755 (10M) 38137 7.4.37 WHK 26070 COMPLETED 18.11.37. PHANTOM III STANDARDISATION of PARTS. Date 4.10.37. X No. 1180. Drawing No. G.S/3619/20/21. Part List G.S3622. Description of Parts: BRAKE FRICTION LINING MADE OF FERODO M.R. Origin: TO increase the braking power, and to reduce the tendency to squeak. Report of Experimental Test.: Ran 16,000 miles on 32-EX and gave good results. No squeaks occurred at all. Is also fitted to 37-EX and 39-EX. Ran in France in conjunction with Chromium drums made by the Midland Motor Cylinder Co. 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 Cost of New Part Nett Increase Decrease NO DIFF'RENCE. Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 1.10.37. INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 11.10.37. | Agreed Sg.{Arthur F. Sidgreaves - MD} } It was agreed at the conference that this could be introduced at the Dist. in "D" and that stocks of the present material should be handed to Hd.{Mr Hayward/Mr Huddy} HS.{Lord Ernest Hives - Chair} | | Agreed Hs{Lord Ernest Hives - Chair} } C. | 5.10.37. | Agreed C. XE. | | DA.{Bernard Day - Chassis Design} | 11.10.37. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 11.10.37. | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | | RHC.{R. H. Coverley - Production Engineer} | 11.10.37. | Agreed RHC.{R. H. Coverley - Production Engineer} MX.{John H Maddocks - Chief Proving Officer} | 11.10.37. | Agreed Mx.{John H Maddocks - Chief Proving Officer} RM.{William Robotham - Chief Engineer} | 4.10.37. | Agreed Rm.{William Robotham - Chief Engineer} | ||