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).
Test report page detailing circuit tests, RPM tests, measurements, and handwritten notes on an advance and retard mechanism.
| Identifier | ExFiles\Box 49\5\ Scan166 | |
| Date | 19th July 1922 guessed | |
| -4- Contd. (10) Short circuit test :- O.K. (11) Open circuit test :- O.K. (12) Test at 1500 R.P.M. O.K. (13) (a) 6.75 m {Mr Moon / Mr Moore} /m. (b) 6.75 m {Mr Moon / Mr Moore} /m. (c) 6.5 m {Mr Moon / Mr Moore} /m. (d) 4.0 m {Mr Moon / Mr Moore} /m. (14). Advance and retard limited by movable sleeves attached to cam-ring. The retard position being better than the advance, our retard made the same as maker's but our advance 28° later than maker's. | ||