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 requirements and test conditions for engine mounting.
| Identifier | ExFiles\Box 154a\3\ scan0222 | |
| Date | 27th March 1936 guessed | |
| ENGINE MOUNTING. (1) Free from undue vibration idling. (2) Does not affect clutch operation. (3) Permits of satisfactory exhaust mounting. (4) Does not cause gear lever movement. (5) Unaffected by prop. shaft running out of truth and by pumping of prop. shaft. (6) 100 hours on the bump chassis. (7) Provision made for adequate flexibility of water, oil and instrument connections, and for controls to be unaffected by engine movement, particularly idling. (8) If unit construction, links to control unit against brake operation, etc. (9) Floorboard clearance. 100 hours bump test. 5,000 miles English conditions and London traffic. 10,000 miles Continental rough roads. | ||