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).
Charts illustrating the maximum movement of a flexible shackle spring eye under various driving and road conditions.
Identifier | ExFiles\Box 17\4\ Scan018 | |
Date | 31th August 1931 guessed | |
FLEXIBLE SHACKLE (HS{Lord Ernest Hives - Chair} 213) MAXIMUM MOVEMENT OF SPRING EYE TOP CHART: COLUMN HEADERS: HARD BRAKING TURNING ON FULL LOCK AS FAST AS POSSIBLE L.H. LOCK R.H. LOCK VERY BAD ROAD HITTING BUFFERS (20MPH) MAXIMUM RECORDED DURING AVERAGE RUN (INCLUDES NORMAL BRAKING) BAR VALUES (MOVEMENT IN INCHES): Hard Braking: B .156", F .064" L.H. Lock: B .193", F .013" R.H. Lock: B .073", F .003" Very Bad Road: B .180", F .144" Average Run: B .085", F .048" LEGEND: F:- FORWARD MOVEMENT OF SPRING EYE. B:- BACKWARD BOTTOM CHART: LEFT Y-AXIS: MOVEMENT OF SPRING EYE (INS) [.150, .100, .050] RIGHT Y-AXIS: SPRING LOAD AT SPRING EYE (LBS) [792, 528, 264] X-AXIS: ROAD SPEED (M.P.H) [20, 30, 40, 50, 60, 70, 80] LEGEND: GOOD MAIN ROAD : ------ (solid line) JOGGLING ROAD : ------ (dashed line) LINES: B (Backward Movement), F (Forward Movement) | ||