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).
Engine temperature issues, reaching 95°C and boiling, and a sticking valve that was resolved.
| Identifier | ExFiles\Box 180\M1\2\ img002 | |
| Date | 1st May 1922 guessed | |
| 42 has constantly been about 95°C. & occasionally we have made it boil Of course this is with the radiator cover off & fan working OK. Whilst on the road we had a valve (no 9) stick open, this was eased off, again, since have had no further trouble. JRWaldron | ||