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).
List of modifications and specifications for the servo motor, change speed mechanism, and engine components.
| Identifier | ExFiles\Box 6\6\ 06-page282 | |
| Date | 21th March 1937 | |
| - 19 - BT.{Capt. J. S. Burt - Engineer}1/VS.{J. Vickers}21.3.37. Servo Motor Mechanism (Continued). E.S.4881. Front Brake Damper on Clutch Casing. E.S.4884. Servo for Semi-Servo System. E.S.4897. Pick-up Stop for Servo Scissor Levers. GW.1375/9. Servo Operating Levers. GM.1024. Friction Lining VM.30. Change Speed Mechanism C/CD.4. E N G I N E.{Mr Elliott - Chief Engineer} Crankcase and Bearings. Drawing of crankcase not yet issued, which is to include the following features :- (a) Mods. to suit integral cylinder block - Lec.5776. (b) Facings to suit large A.C. petrol pump - Lec.5776. (c) Deletion of external oil pressure filter with consequent move over of the gallery pipe and deletion of the cross oil pipe. Facings on crankcase to suit inclusion of A.C. bye-pass filter. A mock-up of this is shown on Lec.5775. (d) Mods. as requested by RMC. regarding production of case (RMC.1/RS.{Sir Henry Royce's Secretary}12.8.37.) (e) Bore of tappet guides at an inclination of 0°-45' as instructed to the D.O. in our memo Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}11/R.10.8.37. | ||