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).
Design position report listing modifications and their completion status for the Merlin C.II engine.
| Identifier | ExFiles\Box 30\3\ Scan207 | |
| Date | 3rd August 1935 | |
| ITEM. (8) DESIGN POSITION. MERLIN C.II ENGINE. Cylinder head - modified coolant passages & valve centres, inlet side plug. Completed 26/7/35. Modified supercharger. " 19.7.35. Modified supercharger drive. " 13.7.35. Modified valve gear. " 13.7.35. Mod. to crankshaft. " 19.7.35. Cylinder block. " 19.7.35. Mod. to conn: rod to suit modified crankshaft. " 18.7.35. Piston 6.5 to 1 com.ratio - conical crown - increased lands. " 18.7.35. Mod. to induction pipe and cyl. block. " 19.7.35. Details of S.U. carburetter body. " 19.7.35. Piston 6 to 1 comp. ratio - increased lands. " 19.7.35. Valves, springs and washers. " 2.8.35. Mod. to crankcase to take new starter gear. " 3.8.35. Tachometer drive. " 30.7.35. Cover for gun gear flange on cyl. head. In hand. Generator oil pump and drive for undercarriage retraction. Completed 2.8.35. | ||