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).
Schematic diagram of a servo-assisted braking system with calculations.
| Identifier | Morton\M20.2\ img036 | |
| Date | 30th April 1924 | |
| M.D.E. 60 F.W.B. SCHEME 31.4.24 45° T.H.D. ON SERVO SERVO SPEED 1/4 ENG. SPEED TAKE TORQUE OUTPUT / TORQUE INPUT = 2.45 DIAGRAM ANNOTATIONS: .14 CAH. 4.5 2.8 3.3 3.36 2.375 7.8 4.6 'S' CAM SHOES. REAR 15.2 / 7.7 7" 2.85 2.45 FRONT SHOES 12.9 / 6.5 P 15.6 6.1 2" 2.6 T 3.575 4.8 3.25 PRESS AT BRAKE DRUMS WITHOUT SERVO ASSISTANCE FRONT 8.97 P REAR 6.75 P WITH SERVO ASSISTANCE FRONT 31.4 P REAR 23.7 P DISTANCE MOVED BY CAM BEFORE BRAKES ASSISTED BY SERVO = 1.08 FT. WITH NORMAL ADJMT OF BRAKES | ||