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).
Attaching the Horse Power Curve for the Hawk Aero engine to the Test Department.
| Identifier | ExFiles\Box 36\2\ scan 084 | |
| Date | 2nd February 1921 | |
| x2935 Mr. Payne - Test Dept. from Hs{Lord Ernest Hives - Chair}/TMW. Hs{Lord Ernest Hives - Chair}/TMW1/LG2. 2. 21. X.2935. RE. 75 HP. POWER CURVE. As requested, we attach hereto Horse Power Curve of Hawk Aero engine for your information. Hs{Lord Ernest Hives - Chair}/TMW. | ||