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).
Sectional drawing of a Super-Atmospheric, Two-stroke cycle engine.
| Identifier | ExFiles\Box 54\4\ Scan019 | |
| Date | 2nd September 1935 guessed | |
| SUPER ATMOSPHERIC TWO STROKE-CYCLE ENGINE 4 1/4 BORE 5" STROKE E.H. HINKLEWOOD PLYMOUTH X4647 A C B SECTION C.D D SECTION A.B M14 A Super-atmospheric, Scavanged, Two-stroke-cycle Engine, in which the Crank Case is used only for splash lubrication. | ||