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 status report detailing components for the Merlin II and P.V.XII 'C' engines.
| Identifier | ExFiles\Box 30\3\ Scan050 | |
| Date | 7th January 1935 guessed | |
| ITEM. (11) DESIGN POSITION. MERLIN II ENGINE - CONTINUED:- Details of crankcase, cylinder liners, crankshaft and connecting rods. Completed. Alternative connecting rod (strap type). In hand. Lower vertical section through supercharger volute. Completed. Supercharger. In hand. 2 speed gearing for supercharger. In hand. Airscrew reduction gear and dynamo drive. In hand. Oil, petrol, and water pumps and drives for same. In hand. Combined electric and hand starter with drive for air compressor. In hand. P.V.XII "C" ENGINE (RAMP CYL.HEAD,ELECTRIC STARTER, V.P.AIRSCREW. Mods. to relief valve and crankcase to suit Hamilton V.P. airscrew hub. Completed. Controls and relief valve operating Hamilton V.P. airscrews. Completed. Alternative construction for cylinder liner (compensated type). Completed. | ||