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).
Status report on single cylinder and general research projects.
| Identifier | ExFiles\Box 161a\4\ scan0071 | |
| Date | 7th May 1936 | |
| ITEM. (5) DESIGN POSITION. SINGLE CYLINDER AND GENERAL RESEARCH. Vulture 4 star unit - flat type cylinder head with wet joint. In hand. -do- capnut for crankshaft. Completed. Application of supercharger to Bentley engine. In hand. Investigation of the use of aluminium for valve springs. In hand. Rig for testing "wet" inserts for sparking plugs. Completed. Kestrel single cylinder unit - Mods. for improved cooling. In hand. Bentley single cylinder unit - modified cylinder head with larger valves. In hand. Kestrel sleeve valve unit with conventional head and porting. In hand. -do- -do- Port area curves. Completed. -do- -do- Port dimensions - large sleeve double acting port. Completed. -do- -do- Port dimensions - equal sleeve ports. Completed. Vulture single cylinder unit - Camshaft drive. Completed. Bentley O.H.C. unit - layout of rocker geometry. Completed 7.5.36. R.R. voltage regulator - applicable to all chassis. In hand. | ||