Diagram of a 40-50 four-wheel brake system's standard and modified arrangements.
| Identifier | ExFiles\Box 73\2\ scan0187 | |
| Date | 1st January 1924 guessed | |
| 40-50 FOUR WHEEL BRAKES. STANDARD ARRANGEMENT. (SHEET. i). .4 CAM RAD. 4.5 2.8 3.3 3.25 1.5 P 14.75 6.187 3.15 2.75 DIFFERENTIAL DISTRIBUTER { 5/7 TORQUE TO FRONT { 2/7 " TO SERVO. A B C D 2.225. 3.05. T1 T2 P 1.4 5 3 2.5 2.25 2.775. 7" .5 CAM RAD. IN THE MODIFIED ARRANGEMENT THE LEVERS A, B, C & D, HAVE BEEN ALTERED AS FOLLOWS: - { A = 3.0 B = 1.25 C = 5.175. D = 2.5. | ||
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).