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 the Phantom III overdrive gearbox.
| Identifier | ExFiles\Box 171\2\ img365 | |
| Date | 10th December 1937 | |
| RR 755 (10H) 46071 18-8-37 WHK 27059 COMPLETED 18.1.38 PHANTOM III STANDARDISATION OF PARTS. Date 10.12.37 X No. 328. Drawing No. EX.26666 Part List Description of Parts: OVERDRIVE GEARBOX. Origin: To increase bearing life and provide smoother running at high speeds. Report of Experimental Test: Run 15,000 miles on 32-EX in France. Condition satisfactory when dismantled. A mock-up more heavily loaded scheme on 36-EX has done 16,000 miles. A similar mock-up has done 160 hours on dyno. and considerable running on Brooklands. 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: 8 17 11 | 8 15 6 | 15 7 1 | 33 0 6 Cost of New Part: 10 10 4 | 9 7 0 | 16 7 3 | 36 4 7 Nett Increase: £3. 4. 1. Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 9.11.37. INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 17-1-38 | Agreed Sg{Arthur F. Sidgreaves - MD} HS.{Lord Ernest Hives - Chair} | 17-1-38 | Agreed Hs{Lord Ernest Hives - Chair} } 101a D C. | 13.12.37 | Agreed C. BY.{R.W. Bailey - Chief Engineer} | 17-1-38 | agreed By DA.{Bernard Day - Chassis Design} | 17.1.38 | agreed DA.{Bernard Day - Chassis Design} Subject to the use of chilled cast D.{John DeLooze - Company Secretary} bronze in the synchromesh gears. RHC.{R. H. Coverley - Production Engineer} | 17-1-38 | agreed RHC{R. H. Coverley - Production Engineer} see over MX.{John H Maddocks - Chief Proving Officer} | 17/1/38 | Agreed MX.{John H Maddocks - Chief Proving Officer} RM.{William Robotham - Chief Engineer} | 10.12.37 | Agreed Rm.{William Robotham - Chief Engineer} | ||