Alterations to the Goshawk 11 engine to cure oil leaks from the valve gear covers.
| Identifier | WestWitteringFiles\I\May1922\ Scan22 | |
| Date | 5th May 1922 | |
| ORIGINAL. To Da. {Bernard Day - Chassis Design} from E. {Mr Elliott - Chief Engineer} c. to Mr. Wor. {Arthur Wormald - General Works Manager} c. to Mr. Hs. {Lord Ernest Hives - Chair} ✓ c. to Mr. ? X4226 X4225 GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 11. ALTERATIONS TO CURE OIL LEAKS FROM VALVE GEAR COVERS. We send you herewith drawing No. Lec 1569 showing a definite ventilating passage way for the valve gear chambers, and the lip of the top valve gear cover machined away with a view to preventing the oil escaping. E. {Mr Elliott - Chief Engineer} RECEIVED +Hs {Lord Ernest Hives - Chair} MAY 10 1922 | ||
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).