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 and calculations for a brake layout.
| Identifier | ExFiles\Box 179b\2\ img251 | |
| Date | 20th December 1932 guessed | |
| 7/M BRAKE LAYOUT Overall Ratios - Pedal to Cam Direct to Rear: 13.75 / 5.5 = 2.5 1.350 / 4.850 x 2.5 / 1 = 1.350 / 1.940 2.65 / 4.75 x 2.75 / 5.5 x 6 / 9 = 28.18 : 1 Servo to Rear: 13.75 / 5.5 = 2.5 1.350 / 4.850 x 2.5 / 1 = 1.350 / 1.940 2.65 / 4.75 x 2.75 / 5.5 x 4 / 6 = 18.77 : 1 Servo to Front: 13.75 / 5.5 = 2.5 1.350 / 4.850 x 2.5 / 1 = 1.350 / 1.940 2.65 / 4.75 x 2.75 / 5.5 x 3.50 / 4.85 = 23.8 : 1 Diagram annotations: 0.250, 1.250, 1.750, e-003, .583, 1.830, 2.40, 1.750, .385, 1.750, 1.830, 1.450, 2.060, 2.750, 3.000, 2.980, 2.060, 1.450, 3.000, 4.375, 6.000 | ||