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).
Blueprint diagram and table detailing an adopted servo braking scheme and torque multiplication.
| Identifier | Morton\M20.3\ img017 | |
| Date | 4th July 1934 | |
| ADOPTED SCHEME:- M.{Mr Moon / Mr Moore} Des. 60 TT N. SCH: 1801 SERVO G.72550 WITH 55° CAM SERVO SPEED 1/7. S = SERVO MULTIPLICATION OF TORQUE Table Headers: FOOT RATIO TO REAR, SERVO RATIO TO REAR, SERVO RATIO TO FRONT, TOTAL BRAKING TO REAR, TOTAL BRAKING TO FRONT, REAR BRAKING, SERVO MULTIPN Table Row 1: 25, 23.7 S, 31.8 S, 47.7 x 15, 60.5 x 17, 1.44, 1.5 Table Row 2: 25, 35.5, 47.7, 60.5, 715, ", " Additional numbers written in the table: 715 (under '47.7 x 15'), 1030 (under '60.5 x 17'), 1745 (under '1030') Note: THE FIGURE GIVEN FOR 'BRAKING' IS ONLY A RATIO BEING THE LOAD IN CAM LINK TIMES THE DRUM DIAMETER. Stamp: ROLLS-ROYCE LIMITED, PRINT ROOM, 4-JUL 1934, DERBY Diagram Dimensions: .5, 7, 2.5, 2.5, 2.550, 1.8, 2.05, 2.625, 6.175, 15.65, 5.8, 7.85, 2.8, 2.8, 2.8, 3.3, 4.5, 4 | ||