Rolls-Royce Archives
         « Prev  Box Series  Next »        

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"
  
  
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).


Copyright Sustain 2026, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙