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).
Goshawk 11 engine temperature test results under various fan and cowling configurations.
| Identifier | ExFiles\Box 75\3\ scan0185 | |
| Date | 26th October 1922 guessed | |
| Goshawk 11. Temperature tests - contd:- Speed 26 m.p.h. to 21 m.p.h. | | No. Fan - all closed. cowling off. | 18" Fan - all closed. cowling off. | 18" Fan - all closed. cowling on. | |---|---|---|---|---|---|---| | | Atmos. | water. | Atmos. | water. | Atmos. | water. | | Start. | 13°C | 60°C | 12 1/2°C | 60°C | 14°C | 60°C | | Moving half way, | 13°C | 65 1/2°C 71°C 76°C | 13°C | 64 1/2°C 69°C 74 1/2°C | 13°C | 64 1/2°C 69°C 70°C | | Top. | 12 1/2°C | 79 1/2°C | 13°C | 76°C | 13°C | 73°C | Faint text: 1804 MADE AT CROSLEY | ||