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).
Graphs showing the maximum forward and backward movement of a spring eye for a flexible shackle under various test conditions.
| Identifier | Morton\M19\ img225 | |
| Date | 31th August 1931 guessed | |
| FLEXIBLE SHACKLE (HS{Lord Ernest Hives - Chair} 213) MAXIMUM MOVEMENT OF SPRING EYE Top Bar Chart: Conditions: - HARD BRAKING - TURNING ON FULL LOCK AS FAST AS POSSIBLE - L.H. LOCK - R.H. LOCK - VERY BAD ROAD HITTING BUFFERS (20 M.P.H) - MAXIMUM RECORDED DURING AVERAGE RUN (INCLUDES NORMAL BRAKING) 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: .048" Legend: F:- FORWARD MOVEMENT OF SPRING EYE B:- BACKWARD MOVEMENT OF SPRING EYE Bottom Line Graph: Left Y-Axis: MOVEMENT OF SPRING EYE (INS) - Values: .150, .100, .050 Right Y-Axis: SPRING LOAD AT SPRING EYE (LBS) - Values: 792, 528, 264 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 Line Labels: B (Backward), F (Forward) | ||