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).
Toggle principle and pinion operated switch to prevent engine hunting effects.
| Identifier | WestWitteringFiles\P\October1926-November1926\ Scan005 | |
| Date | 1st October 1926 | |
| Contd. -2- EFC1/T1.10.26. on the toggle principle, or with a certain amount of backlash as at present provided by the pinion operated switch ? Would not this be a means of positively preventing the possible hunting effect which may occur if the engine does not start, or until it starts ? EFC. | ||