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).
Rough sketch of a horizontally opposed engine design for an aircraft wing.
| Identifier | ExFiles\Box 147\3\ scan0187 | |
| Date | 1st December 1938 guessed | |
| VERY ROUGH SKETCH! Push Rod. Camshaft driven by gears at end of Crankshaft. Overall depth is very limited - hence the advantage of fitting it into the wing instead of a large Radial Engine & consequent wind resistance. | ||