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).
Wraith distributor's governor advance characteristics.
| Identifier | ExFiles\Box 127\2\ scan0109 | |
| Date | 11th July 1939 guessed | |
| Wraith Distributor: Governor advance Characteristic:- Advance Distr. degrees. 0 1/2 3 6 9 12 14 Speed Distr. RPM 125 - 150 150 - 190 275 - 350 480 - 525 650 - 725 900 - 1000 1100 - 1200 Full advance 14-15 degrees (Distr.) We have found that the Lucas governor characteristic is appreciably altered by variation in the spring tension on the contact fingers. (we use 15-16 oz on the points). We also find that it is late getting off the mark when used in conjunction with our contact breaker. Min. 260 RPM of the distributor. Messrs Lucas think our limits are too narrow: however both the Delco-Remy and the R.R. type of governor can be produced so as to conform to the above limits. RM{William Robotham - Chief Engineer}/ne | ||