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).
Design critique on exhaust pipe connections and control mechanisms.
| Identifier | ExFiles\Box 137\1\ scan0029 | |
| Date | 8th November 1920 guessed | |
| -2- 2. CONNECTIONS TO EXHAUST PIPE: The connections are very poor in design and should be entirely re-designed. The two-position admission valve is quite ingeniously arranged so that a single spring holds it in either open or closed position and serves also as means of preventing rattle. 3. CONTROL: The bowden wire control is simple and direct but not very rugged." Very truly yours, ROLLS-ROYCE OF AMERICA, INC. Per COPY NIDH:L | ||