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).
Letter discussing modifications to an engine's inlet and exhaust system.
| Identifier | ExFiles\Box 50\3\ Scan135 | |
| Date | 11th July 1921 guessed | |
| Oy2 - G 9721 Sheet #5. left hand side of the engine, with the inlet bends below and exhaust bends above, an inlet pipe as suggested above might be used with an exhaust heated throttle and would give good results, the diameter of the pipe being reduced from 2" to 1 5/8" or 1 1/2", without seriously affecting the high speed power of the engine. Yours truly, OY/G ROLLS-ROYCE OF AMERICA, Inc. Per M Olly COPY | ||