Graph plotting engine RPM against quadrant notches to compare governor lag between a roller bearing throttle and a standard governor on chassis 8 EX.
| Identifier | WestWitteringFiles\P\October1926-November1926\ Scan136 | |
| Date | 19th November 1926 guessed | |
| ENGINE R.P.M. 1250 1000 750 500 250 0 GOVERNOR LAG CHASSIS 8 EX. ROLLER BEARING THROTTLE. STANDARD GOVERNOR DOWN UP NOTCHES ON QUADRANT. 5 10 15 20 25 30 FIG III | ||
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).