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).
Series of diagrams and graphs analyzing brake system layouts and performance for various models.
| Identifier | ExFiles\Box 30\6\ Scan211 | |
| Date | 19th June 1933 guessed | |
| Chart 1 (Top Left): Brake linkage layout diagrams for models: P.II, 20/25, F.IIE, Phantom II, Scripture, with various numeric measurements. Chart 2 (Top Middle): EXPERIMENT BRAKES, LAYOUT TO L.A.C.1008. Y-Axis Left: BRAKE UNITS - PEDAL TO CAM & DRUM OPn. Y-Axis Right: % BRAKING. X-Axis: SERVO MULTIPLICATION OF TORQUE. Lines: TOTAL BRAKES, % FRONT BRAKING, SERVO TO FRONT, SERVO TO REAR. Chart 3 (Top Right): L.W. BRAKES. Y-Axis Left: BRAKE UNITS - PEDAL TO CAM & DRUM OPn. Y-Axis Right: % BRAKING. X-Axis: SERVO MULTIPLICATION OF TORQUE. Lines: TOTAL BRAKES, % FRONT BRAKING, SERVO TO FRONT, SERVO TO REAR. Shaded Area Text: RANGE OF CAM & DRUM OPn. ON L.W. CHASSIS. Chart 4 (Bottom Left): PHANTOM II BRAKES, (FROM SCRIPTURE FRONT BRAKES). Y-Axis Left: BRAKE UNITS - PEDAL TO CAM & DRUM OPn. Y-Axis Right: % BRAKING. X-Axis: SERVO MULTIPLICATION OF TORQUE. Lines: TOTAL BRAKES, % FRONT BRAKING, SERVO TO FRONT, SERVO TO REAR. Chart 5 (Bottom Middle): 20/25 BRAKES, LAYOUT TO G.L. 821. Y-Axis Left: BRAKE UNITS - PEDAL TO CAM & DRUM OPn. Y-Axis Right: % BRAKING. X-Axis: SERVO MULTIPLICATION OF TORQUE. Lines: TOTAL BRAKES, % FRONT BRAKING, SERVO TO FRONT, SERVO TO REAR. Chart 6 (Bottom Right): PHANTOM III BRAKES, LAYOUT TO N.S.W. 1627. Y-Axis Left: BRAKE UNITS - PEDAL TO CAM & DRUM OPn. Y-Axis Right: % BRAKING. X-Axis: SERVO MULTIPLICATION OF TORQUE. Lines: TOTAL BRAKES, % FRONT BRAKING, SERVO TO FRONT, SERVO TO REAR. | ||