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 vehicle feature improvements and their implementation status.
| Identifier | ExFiles\Box 4\1\ 01-page034 | |
| Date | 9th February 1934 guessed | |
| - 3 - CLUTCH. ----------- (1) Better life. Yes, surfaces have been increased and lighter loading on the clutch linings. (2) Much lighter pedal pressure. Yes. Needle bearings fitted to clutch withdrawal. CARBURETTER. ------------- (1) Automatic starting mixture control. No. (2) Silent air intake. Yes. EXHAUST SYSTEM. ---------------- (1) More efficient resonance type and larger capacity. 12 exhaust impulses instead of 6 should improve this. LUBRICATION OF CHASSIS. ------------------------ (1) There are at present a few points which have to be oiled with a grease gun. These should be incorporated in the central oiling system. These have been deleted. (2) Entirely automatic chassis lubrication. Not yet. SHOCK DAMPERS. -------------- (1) Automatic load control with hand operated over-riding control. Yes. (2) More accessible oil level checking and replenishing. The front are better. The rear ones are being considered. | ||