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).
Modification to the governor valve in the shock damper governor unit to prevent sticking.
| Identifier | ExFiles\Box 105\3\ scan0360 | |
| Date | 24th May 1935 | |
| RR 758A (EH) (57312. 29-12-33) BM 3/640/2 COMPLETED 4.9.35. 20/25 STANDARDISATION of PARTS. Description of Parts. MODIFICATION TO GOVERNOR VALVE IN SHOCK DAMPER GOVERNOR UNIT. Origin. To overcome sticking of the governor valve caused by dirt in the governor unit. Report of Experimental Test. These parts have run 18,000 miles on 21-G-IV. GWH.{George W. Hancock - Head Chateauroux} reports that the damper control system worked satisfactorily. Date 24.5.35. X No. 542. Drawing No. EX.15639/40. Part List Weight of Old Part. Cost of Old Part. £ Weight of New Part. Cost of New Part. £ Difference per Car. Difference per Car. £ NEGLIGIBLE Signature from Cost Dept. that above is correct. 10/7/35. Cost of Parts in Works which will be scrapped if commenced on:- Series........£....... Series........£....... Series........£....... INITIAL, DATE, REMARKS SG.{Arthur F. Sidgreaves - MD}, 29-8-35, Agreed Sg.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager}, 14.8.35., Agreed Wor.{Arthur Wormald - General Works Manager} C., 14.8.35., Agreed C. RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design}, 27.8.35., Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer}, 26.8.35., Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer}, 14.8.35., Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer}, 23.8.35., Agreed E.{Mr Elliott - Chief Engineer} SFT.{Mr Swift}, 14.8.35., Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer}, 13.8.35., Agreed Mx.{John H Maddocks - Chief Proving Officer} HS.{Lord Ernest Hives - Chair}, 12.8.35., Agreed Hs.{Lord Ernest Hives - Chair} | ||