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 'Long' type compound cushion clutch driven plate with thermoid facings.
| Identifier | ExFiles\Box 93\3\ scan0394 | |
| Date | 7th September 1937 | |
| RR 755 (10H) 38137 7-4-37 WHK 26070 COMPLETED 14.10.37. PHANTOM III STANDARDISATION of PARTS. Date: 7.9.37 (12.8.37 crossed out) X No. 312. Drawing No. EX. 27309. Part List: Being prepared. Description of Parts: CLUTCH DRIVEN PLATE. 'LONG' TYPE COMPOUND CUSHION, THERMOID FACINGS. Origin: To improve clutch. Report of Experimental Test: First 9 assembled by R.R. 6 American Long, remainder by Borg & Beck. Already over 10,000 on 32-EX. Mainly in France, and on other exptl. cars. All reports entirely satisfactory. Also on 16 customers cars, and Sales Trials B-BU-190, as result of complaints. First one fitted May 26th, no complaint. NOTE. A packing washer .070 thick is required between flywheel and clutch cover. COST TABLE: Cost of Old Part - MATERIAL: £1 3s 3d, LABOUR: 5s 8d, CHARGES: 9s 11d, TOTAL: £1 18s 10d Cost of New Part - MATERIAL: £1 19s 2d, LABOUR: 1s 2d, CHARGES: 2s 0d, TOTAL: £2 2s 4d Nett Increase: 3s 6d See Over. Signature from Cost Dept. that above is correct: G/RL 6.9.37. APPROVALS: INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 13-10-37 | Agreed Sg{Arthur F. Sidgreaves - MD} HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} C. | 9.9.37 | Agreed C. DA.{Bernard Day - Chassis Design} | 8.9.37 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 8.9.37 | Agreed By.{R.W. Bailey - Chief Engineer} RHC.{R. H. Coverley - Production Engineer} | 21.9.37. | Agreed RHC.{R. H. Coverley - Production Engineer} See Over. MX.{John H Maddocks - Chief Proving Officer} | 9.9.37. | Agreed Mx.{John H Maddocks - Chief Proving Officer} RM.{William Robotham - Chief Engineer} | 7.9.37. | Agreed Rm.{William Robotham - Chief Engineer} | ||