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).
Performance graph showing load, virtual deflection, and rate for a 44' spring with a 2 1/2' compression shackle.
| Identifier | ExFiles\Box 110\3\ scan0015 | |
| Date | 30th August 1940 | |
| 44" SPRING 2 1/2" COMPRESSION SHACKLE WHEN SPRING IS MECH. FLAT. FIG 3. LEFT Y-AXIS: LOAD. LB. VIRTUAL DEFLECTION - INCHES. 1000, 9 900, 8 800, 7 700, 6 600, 5 500, 4 400 300 200 100 RIGHT Y-AXIS: RATE - LB/INCH 140 100 X-AXIS: REBOUND RIDE POSITION - INCHES. BUMP 4, 3, 2, 1, 0, 1, 2, 3, 4 CURVE LABELS: VIRTUAL DEFLECTION LOAD RATE | ||