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 proposed improvements categorised by power output, weight saving, and durability/reliability.
| Identifier | ExFiles\Box 3\6\ 06-page246 | |
| Date | 3rd October 1934 guessed | |
| -5- (15) Improved Power Output. (a) Do we want 1.5 inlet. Do we gain from moving valves together. If not, alum. head. (b) Larger radius cam followers on standard shaft. (c) Facing forward intake, ramming type. Salt. Smith. (16) Weight Saving. (a) Magnesium parts. (b) Aluminium cyl. head. (c) Peregrine steering column. (d) Lightened flywheel. Bowering. (17) Improved Durability & Reliability. (a) Lead bronze big ends. (b) Aerolite pistons. (c) Stellited valves. Inserted seats. (d) Double contact breaker. (e) Dual ignition. (Wood - single tests). (f) Improved clutch wearing surfaces. (g) Better ignition wires. (h) Better oil cooling and filtering. Ll.Smith. West. G.W.H. (France). | ||