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).
Recommendations for a limiting torque device, a teazer circuit breaker, and an air friction damper.
| Identifier | WestWitteringFiles\T\2July1929-December1929\ Scan086 | |
| Date | 27th July 1929 guessed | |
| -7- we are of the opinion that a suitable limiting torque device should be considered in anticipation of the possibility of this becoming necessary. Also we strongly recommend the incorporation of some device to break the teazer circuit while the engine is running. The air friction damper works well. RFC. | ||