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 showing the relative positions of the rear spring, safety bolt, and roller on a 40/50 HP Chassis.
| Identifier | ExFiles\Box 52\2\ Scan137 | |
| Date | 21th May 1914 | |
| (A) SPRING UNDER NORMAL LOAD. (B) -BOLT JUST TOUCHING THE ROLLER.- (C) -HYDRAULIC SHOCK ABSORBER - (PISTON JUST TOUCHING END OF CYLINDER)- (13" LEVER). (D) -HARTFORD SHOCK ABSORBER - (ARMS TOGGLED). -RELATIVE POSITIONS OF REAR SPRING, SAFETY BOLT & ROLLER - 40/50 HP CHASSIS O.H. H.H. 21/5/14 (SCALE 1/2) 7.700 (TO BUFFER UNCOMPRESSED) 13.500 (TO BUFFER UNCOMPRESSED) 15.650 (TO BUFFER UNCOMPRESSED) 17.725 (TO BUFFER UNCOMPRESSED) | ||