Design status report on development items for the Merlin, Vulture, and Goshawk engines.
| Identifier | ExFiles\Box 30\4\ Scan024 | |
| Date | 8th October 1935 | |
| ITEM. (8) DESIGN POSITION. MERLIN(Aero Engine) 'E' ENGINE - CONTINUED. Restriction valve body for boost capsule chamber. Completed 4.10.35. Modified cam forms. " 26.9.35. 6:1 Compression ratio piston. " 8.10.35. Modifications to oil feed to camshaft drive bevels. In hand. MERLIN(Aero Engine) 'E' FUTURE DEVELOPMENT. Induction system. In hand. Cylinder head with end to end coolant circulation. In hand. Two speed supercharger. In hand. Application of Hobson automatic boost control. In hand. MERLIN(Aero Engine) 'C' ENGINE. Modified gland - generator oil pump drive. Completed 3.10.35. Vulture(Experimental 6 CYL OHV LONG STROKE / Aero Engine) Engine. Investigation of crankshaft dimensions. In hand. " " connecting rods. In hand. GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 'B' Model of cylinder head for flow tests. Completed 24.9.35. | ||
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).