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).
The testing schedule for an Eagle IX engine with improved induction pipes and valves.
| Identifier | ExFiles\Box 43\1\ Scan068 | |
| Date | 21th January 1925 | |
| To RG.{Mr Rowledge} from Hs.{Lord Ernest Hives - Chair} c. to BY.{R.W. Bailey - Chief Engineer} c. to Wor.{Arthur Wormald - General Works Manager} c. to BJ. X.3989 Hs{Lord Ernest Hives - Chair}2/LG21.1.25. EAGLE 1X. WITH IMPROVED INDUCTION PIPES AND VALVES. This engine was completed by the Works yesterday. Today it has completed the 2 hrs. A.I.D. test. The engine has now to be dismantled, re-erected and then run for the final half-hour. After that it will be put on the Hangar for the 50 hrs. test. Providing we have no trouble, the 50 hrs. test should be completed in 10 to 14 days time. Hs.{Lord Ernest Hives - Chair} | ||