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 parts related to the flywheel, clutch, gearbox, and servo mechanisms.
| Identifier | ExFiles\Box 169\1\ img034 | |
| Date | 26th March 1930 | |
| (2) RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}10/MS26.3.30. Flywheel & Clutch to L.O.P. G.76591(incorporating N.S.2973 Oiling of Clutch spigot Bearing & N.S.2967A.Fabric on Disc) Pressure Plates to Ex.4768/9. Ferrule to Ex.4770, produced in S/HC. Distance Piece to Ex.4756. Springs 50% stronger to Ex.4767. Friction Plate with Ferrodo rivetted on in segments to Ex.4766. 1st. & 3rd. Motion Shafts to L.O.P. G.76638 - N.S.2973 Oiling of Clutch Spigot Bearing. Using Motion Shaft G.78185. Gear Box & Actuating Gear to L.O.P. G.76764 & G.78321 incorporating:- N.S.2973 Oiling of Clutch Spigot Bearing. N.S.2925 Rubber Suspension at Rear. N.S.2988 Damper for Brake Gear. Using Gear Box G.78236, modified to cure oil leaks from Crankcase to Gear Box to Ex.4547,using Louvred Cover Ex.4711. Servo Mechanism to L.O.P. G.78321 - N.S.2988 Damper for Brake Gear. G.77583/4 Cams 35°. 2nd. Motion Shaft to L.O.P. G.76615. Reverse Gear to L.O.P. G.76676. Servo Drive to L.O.P. G.76740. Servo Countershaft to L.O.P. G.76821. Speedometer Drive to L.O.P. G.77490. RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel} | ||