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 detailing the brake distribution for a 40/50 model, comparing old, new, and proposed modifications.
| Identifier | WestWitteringFiles\Q\December1926-January1927\ 33 | |
| Date | 9th December 1926 guessed | |
| 40/50 BRAKE DISTRIBUTION OLD X₁ = 1.06y NEW X₂ = .800y X₁ = y x 2.625/.544 x 3/1 x 5.8/2.05 = 1.06y X₂ = y x 2.00/.544 x 3/1 x 5.8/2.05 = .80y FRICTION DISC RAD. 3.00" CAM RADIUS .5437 CAM LEVER LENGTH 2.625 OR 2.00 BRAKING UNITS % BRAKING TO FRONT TOTAL DIRECT ON STD. 40/50 545 UNITS % TO FRONT % TO FRONT OLD SERVO NEW SERVO TOTAL BRAKING REAR BRAKING FRONT BRAKING SERVO MULTIPLICATION OF TORQUE 1. OLD DISTRIBUTION 40.5% TO FRONT 2. NEW DISTRIBUTION DA{Bernard Day - Chassis Design}2/M1R26 38.7% TO FRONT 3. EXP. PROPOSED MODIFN. - 34% TO FRONT | ||