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).
Diagrams and specifications for front and rear road springs for 20 HP and 40/50 HP models under 'Other Continental Conditions'.
| Identifier | ExFiles\Box 178\1\ img201 | |
| Date | 28th August 1926 guessed | |
| OTHER CONTINENTAL CONDITIONS SECTION 1: 20 HP FRONT ROAD SPRING - F.53583 DIAGRAM TEXT: 1.950 +.300 -.300 CLEARANCE (FULL LOAD) BUFFER TO SPRING CLIPS. DIMENSIONS: 18.000, 20.000 SPECIFICATIONS: UNLOADED CAMBER: 2.500 LOADED CAMBER: .500 (POS) WIDTH OF SPRING PLATES: 1.750 RATING (600 LBS. SPRING): 320 LBS. PER 1" SECTION 2: 20 HP REAR ROAD SPRING - F.53169 DIAGRAM TEXT: 4.225 +.375 -.375 CLEARANCE BUFFER TO AXLE BKT. (FULL LOAD) DIMENSIONS: 28.000, 28.000 SPECIFICATIONS: UNLOADED CAMBER: = 5.125 LOADED CAMBER: = .575 (POS.) WIDTH OF SPRING PLATES: = 2.250 SECTION 3: 40/50 HP FRONT ROAD SPRING - F.71975 DIAGRAM TEXT: 1.750 +.250 -.250 CLEARANCE BUFFER TO SPRING CLIPS. (FULL LOAD) DIMENSIONS: 21.000, 22.500 SPECIFICATIONS: UNLOADED CAMBER: 2.600 LOADED CAMBER: -.500 (NEG) WIDTH OF SPRING PLATES: 2.000 RATING (1100 LBS. SPRING): 355 LBS. PER 1" SECTION 4: 40/50 HP REAR ROAD SPRING - F.10612 DIAGRAM TEXT: 4.531 +.500 -.500 BUFFER TO AXLE CLEARANCE (FULL LOAD), 9.300 DIMENSIONS: 26.500, 26.500 SPECIFICATIONS: UNLOADED CAMBER: 2.500 LOADED CAMBER: -1.310 (NEG.) WIDTH OF SPRING PLATES: 2.500 RATING (2000 LBS. SPRING): 125 LBS. PER 1" | ||