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).
Graph from springing tests at Ticknall Hill comparing riding comfort at different speeds based on rear seat position.
Identifier | ExFiles\Box 16\7\ Scan338 | |
Date | 26th November 1930 | |
SPRINGING TESTS 20 EX. TICKNALL HILL. STANDARD SPRINGING SHOWING THE INCREASED COMFORT IN A BODY WHERE THE REAR SEATS ARE FORWARD OF THE REAR AXLE (E.G) LIKE 18 EX, 24 EX, 26 EX) Graph Legend: REAR SEATING POSITION IMMEDIATELY OVER REAR AXLE CENTRE LINE: ------ " " " 12" FORWARD OF " " LINE: . . . . " " " 12" REAR " " LINE: - - - - & TWO SPARE WHEELS, & 1 CWT. LUGGAGE AT REAR:- Y-Axis: RIDING COMFORT (MEASURED BY WATER LOSS C.C.S.) X-Axis: ROAD SPEED (M.P.H) ALL OTHER CONDITIONS AS PREVIOUS TESTS. THE REAR BUFFER CLEARANCES IN THIS CASE WERE REDUCED TO N.S 4.35" O.S. 4.1". FIG. III Stamp: 26 NOV 1930 | ||