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).
Graphical analysis of the maximum movement of a flexible shackle spring eye under different road and driving conditions.
| Identifier | ExFiles\Box 182\M19\ img225 | |
| Date | 31th August 1931 guessed | |
| FLEXIBLE SHACKLE (HS{Lord Ernest Hives - Chair} 213) MAXIMUM MOVEMENT OF SPRING EYE BAR CHART SECTION: 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: 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 .045" LEGEND: F:- FORWARD MOVEMENT OF SPRING EYE. B:- BACKWARD MOVEMENT OF SPRING EYE. LINE GRAPH SECTION: LEFT Y-AXIS: MOVEMENT OF SPRING EYE (INS) VALUES: .050, .100, .150 RIGHT Y-AXIS: SPRING LOAD AT SPRING EYE (LBS) VALUES: 264, 528, 792 X-AXIS: ROAD SPEED. (M.P.H.) VALUES: 20, 30, 40, 50, 60, 70, 80 LEGEND: GOOD MAIN ROAD: (SOLID LINE) JOGGLING ROAD: (DASHED LINE) | ||