Water temperature test results for the Goshawk 11 engine under various cooling configurations and speeds.
| Identifier | ExFiles\Box 77\4\ scan0284 | |
| Date | 26th October 1922 | |
| GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 11. TEMPERATURE TESTS (WATER). 26.10.22. On Swinscoe Hill - Asbourne Leek Road. Speed 20 m.p.h. to 14 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 | 13½°C | 60°C | 13°C | 60°C | | mov- | | 66°C | | 65°C | | 65°C | | ing half | 13°C | 73°C | 13°C | 71°C | 12°C | 69°C | | way | | 78°C | | 75°C | | 72½°C | | Top. | 12½°C | 81°C | 12½°C | 76½°C | 12°C | 74½°C | | 16" Fan. all closed. cowling off. | 16" Fan - all closed. cowling on. | |-----------------------------------|----------------------------------------| | | Atmos. | water. | Atmos. | water. | | Start | 13°C | 60°C | 13°C | 60°C | | mov- | | 66°C | | 66°C | | ing half | 12°C | 71°C | 11½°C | 71°C | | way. | | 75°C | | 75°C | | Top. | 11°C | 77°C | 11°C | 77½°C | | 18" Fan - cowling off. | Front shutters open. rear " closed. | | All shutters open. | | |---------------------------------|----------------------------------------| | | Atmos. | water. | Atmos. | water. | | Starte | 13°C | 60°C | 13°C | 60°C | | Mov- | | 64°C | | 65°C | | ing half | 12°C | 68°C | 12°C | 69°C | | way. | | 70°C | | 72°C | | Top. | 11°C | 71°C | 11°C | 73°C | contd:- | ||
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).