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).
Diagram illustrating the linkage and calculations for a four-wheel servo-assisted braking system.
| Identifier | Morton\M20.2\ img034 | |
| Date | 24th November 1924 | |
| AGREED CHC/HE. FOUR WHEEL BRAKES :- F/69 24.11.24 45° OPERATING THD. ON SERVO. T without Servo = (P x 4.175) / (5.6 x 2.775) = .376P Diagram Labels: SHOE 15.2 / 7.7 .5 CAM 7 T 2.8 2.525 2.8 2.775 4.175 3.6 P 5.6 14 4.25 3.6 2.8 2.8 3.5 SHOE 12.7 / 6.5 .5 CAM 2.8 4.5 4 CAM | ||