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).
Progress report on various single-cylinder and general research projects.
| Identifier | ExFiles\Box 30\3\ Scan107 | |
| Date | 4th March 1935 guessed | |
| ITEM. (6) DESIGN POSITION. SINGLE CYLINDER AND GENERAL RESEARCH. Aero universal single cyl.unit:- Single camshaft penthouse roof cyl.head "Merlin "D". In hand. -do- Connections for thermo couples on Merlin "D" ramp head. Completed. Arrangement of centrifugal blower on Bentley. In hand. Spiral bevel drive and flexible couplings for Bentley supercharger. In hand. P.V.XII single cyl.unit:- Ramp cylinder head with spark plug on inlet side. Completed. Changeover switch for servo engine dynamo. In hand. Aero universal single cyl. unit:- Merlin "D" - Strengthened tappet arm. Completed. -do- Merlin "D" - Valves,springs and washers. Completed. -do- Piston (ramp cyl.head). Completed. -do- Locking for cyl.liner gland nut. Completed. 3¾ x 4⅝ single cyl. unit - Sodium cooled exhaust valve for high power head. Completed. Single cyl.sleeve valve unit:- Strengthened cylinder block. Completed. Car universal single cyl.unit:- Modification to permit of motoring. In hand. | ||