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 servo with specific linings and connections for the 25/30 HP model.
| Identifier | ExFiles\Box 105\4\ scan0192 | |
| Date | 10th February 1937 | |
| RR 755A (5H) 20306 21/7/36 J.W.S. COMPLETED 22.2.37. 25/30 H.P. STANDARDISATION OF PARTS Date 10/2/37 (Date 27.11.36 is crossed out) X No. 541. Drawing No. Part List Description of Parts. SERVO WITH LININGS HELD BY SPLINES AND TORSIONAL CONNECTION OF DRIVEN PLATES BY SPRING RINGS. LININGS IN R.A.D. 13 MATERIAL. Origin. To reduce working temperature and friction loss. Also saves cost. Report of Experimental Test. Completed 33,000 miles on 22-G-V.{VIENNA} Parts to EX drawings have completed the following 15,000 miles on 5-B-IV ) same parts. 12,000 miles on 21-G-IV) 15,000 miles on 6-B-IV. Considerable improvement over standard servo and is more consistent. Reduces fade. COST TABLE MATERIAL: Old Part £- 6s 7d, New Part £- 9s 2d LABOUR: Old Part £- 10s 3d, New Part £- 8s 3d CHARGES: Old Part £- 17s 11d, New Part £- 14s 5d TOTAL: Old Part £1 14s 9d, New Part £1 11s 10d Nett Increase: 2s 11d Signature from Cost Dept. that above is correct. G/RL 8/2/37 APPROVALS: INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 22.2.37 | Agreed SG{Arthur F. Sidgreaves - MD} HGH. Hs.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} C. | 11.2.37. | Agreed C. E.{Mr Elliott - Chief Engineer} | 11.2.37. | Agreed E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design} | 12.2.37. | Agreed Da.{Bernard Day - Chassis Design} By.{R.W. Bailey - Chief Engineer} | 12.2.37. | Agreed Ogh. for By.{R.W. Bailey - Chief Engineer} E.P. | 11.2.37. | Agreed EP{G. Eric Platford - Chief Quality Engineer} - very desirable feature. SFT.{Mr Swift} | 11.2.37. | Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer} | 11.2.37. | Agreed Mx.{John H Maddocks - Chief Proving Officer} HS.{Lord Ernest Hives - Chair} Rm.{William Robotham - Chief Engineer} | 10.2.37. | Agreed Rm.{William Robotham - Chief Engineer} RHC.{R. H. Coverley - Production Engineer} | 12.2.37. | Agreed RHC.{R. H. Coverley - Production Engineer} [STAMPED: J.S. 16 FEB 1937] | ||