Status report on single cylinder and general engine research items, detailing progress on Merlin, Vulture, and Kestrel components.
| Identifier | ExFiles\Box 30\4\ Scan032 | |
| Date | 23th October 1935 | |
| ITEM (6) DESIGN POSITION. SINGLE CYLINDER & GENERAL RESEARCH. Mods. to dynamo for aero engine battery ignition - Merlin(Aero Engine) 'E'. In hand. Investigation of intercoolers. " " Car universal single cylinder unit - mods to suit overhead camshaft.cylinder heads. " " Further investigation of high compression pistons - exhaust plug ramp cylinder head - Vulture(Experimental 6 CYL OHV LONG STROKE / Aero Engine). Completed. Flywheel end bearing, oil pump and distributor drives - 4 cylinder star unit - Vulture(Experimental 6 CYL OHV LONG STROKE / Aero Engine). In hand. Merlin(Aero Engine) 'E' single cylinder unit - 5¾ to 1 compression ratio piston. Completed 10.10.35. " 'C' single cylinder unit - Strengthened combustion chamber. " 16.10.35. " 'D' single cylinder unit - Mod to combustion chamber. " 16.10.35. Kestrel(Aero Engine), P.V.G. & P.V.XII single cylinder units - Ball bearing on horizontal contact breaker. " 23.10.35. Merlin(Aero Engine) 'E' single cylinder unit - modification to wall of combustion chamber. " 23.10.35. Inlet and exhaust valve lift curves - unsymmetrical cam. Merlin(Aero Engine) 'E'. " 16.10.35. Cylinder head investigation - Vulture(Experimental 6 CYL OHV LONG STROKE / Aero Engine). Completed. 4 cyl. star unit - Vulture(Experimental 6 CYL OHV LONG STROKE / Aero Engine) - cylinder block. In hand. " " " - Camshaft drives. (Vulture(Experimental 6 CYL OHV LONG STROKE / Aero Engine)). " " " " " - Vulture(Experimental 6 CYL OHV LONG STROKE / Aero Engine) crankcase and bearings. " " | ||
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).