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 performance, Goshawk radiator shutters, and the cooling benefits of a by-pass radiator.
| Identifier | ExFiles\Box 77\4\ scan0335 | |
| Date | 11th August 1923 guessed | |
| contd:- -2- if the engine is kept pulling hard at slow speed with full throttle. Fortunately or unfortunately this is what our engines are especially capable of doing. (12) We hope we are sending out Goshawks with radiator shutters incorporated with the radiator and not as separate units. I would like to point out that the by-pass radiator is the coolest proposition for floorboards so that the cooling air under the bonnet can be kept at the lowest temperature possible. This condition does not seem a disadvantage in summer. R.{Sir Henry Royce} See original for sketch. | ||