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 showing measured and calculated results for a test of the 'Myth' rear suspension.
| Identifier | ExFiles\Box 110\3\ scan0062 | |
| Date | 22th April 1941 | |
| TEST OF MYTH REAR SUSPENSION WITH SHACKLE WITHOUT AXLE INSULATORS. SPRUNG LOAD - LB VIRTUAL DEFLECTION - INCHES DISTANCE FROM FULL LOAD POSITION - INCHES. SUSPENSION RATE LB/INCH 41.04" 44" WHEN FLAT 5" TOP RUBBER 5" LONG x 7/8" THICK BOTTOM " 7" " x 5/8" " VIRTUAL DEFLECTION CALCULATED MEASURED LOAD MEASURED CALCULATED RATE MEASURED CALCULATED AS DRAWN KERB WT. + 6 CWT. MECH. FLAT. TESTS BY Rm{William Robotham - Chief Engineer} / C Lm. Rm{William Robotham - Chief Engineer} / G.B 22/4/41 | ||