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 and calculation table for a servo braking system with a 55° cam.
| Identifier | ExFiles\Box 73\3\ scan0070 | |
| Date | 5th June 1924 | |
| ADOPTED SCHEME:- M.{Mr Moon / Mr Moore} DES. 60 II N Sch. 180 SERVO G.72550 WITH 55° CAM SERVO SPEED 1/7. Diagram Labels: 7, .5, 2.5, 1.8, 2.550, 2.05, 5.8, 2.625, 6.175, 15.65, 7.85, 2.8, 3.3, 4.5, 4 S = SERVO MULTIPLICATION OF TORQUE. Table: Headers: FOOT RATIO TO REAR., SERVO RATIO TO REAR., SERVO RATIO TO FRONT., TOTAL TO REAR., BRAKING TO FRONT., BRAKING TO REAR., TOTAL BRAKING., REAR BRAKING. / FRONT ", SERVO MULTIPN. Row 1: 25, 23.7 S, 31.8 S Row 2: 25, 35.5, 47.7, 60.5, 47.7 x 15 (715), 60.5 x 17 (1030), 1745, 1.44, 1.5 THE FIGURE GIVEN FOR 'BRAKING' IS ONLY A RATIO BEING THE LOAD IN CAM LINK TIMES THE DRUM DIAMETER. ROLLS-ROYCE, LIMITED PRINT ROOM 5 JUN. 24 DERBY | ||