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 proposals and decisions on the materials and design for various engine components.
| Identifier | ExFiles\Box 3\3\ 03-page089 | |
| Date | 5th July 1912 guessed | |
| -2- "Yes" 8. Throttle lever bracket in aluminium - "yes if spring enough" 9. Spray chamber on carburetter in alu-minium. - "No" 10. Cylinder Covers in aluminium - "No" With reference to the last item Mr Royce remarks that the co-efficient of expansion is wrong lso. Connecting rods to be run in with white metal after machining, copper plating and tinning - "Yes." Connecting rod body machined, using chrome nickle steel forgings with about 1/16" thickness of metal - "Yes." Connecting rod made of stamped duralumin. - "No." Light pistons of Alexandria metal. - "No" Systematic examination of all parts used on engine with a view to saving weight by reducing thickness of metal - "Yes." With reference to the lightening | ||