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).
Investigation into the Hispano's bonnet louvre design and its effect on engine noise and water temperature.
| Identifier | ExFiles\Box 22\1\ Scan029 | |
| Date | 28th November 1923 | |
| To Hs.{Lord Ernest Hives - Chair} from CJ. c. to R.{Sir Henry Royce} X4214 CJ3/E28/11/23 Mr.Royse was saying yesterday that the Hispano is so arranged that the hot air from under the bonnet is allowed to escape through louvres and cannot pass the dashboard. He thought that one objection might be that the noise of the engine would also escape but he seemed to be uncertain as to whether the water might not boil in the Hispano very readily. Will you please investigate this? CJ. | ||