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 illustrating the variation of cornering force with different rim widths for various tyres on a dry concrete surface.
| Identifier | ExFiles\Box 157\2\ scan0050 | |
| Date | 26th June 1936 guessed | |
| CORNERING FORCE VARIATION WITH RIM WIDTH. SIDEWAYS FORCE IN POUNDS WEIGHT RIM WIDTH IN INCHES LEGEND: SURFACE — DRY CONCRETE. ————— 6.00/16 FORT E.L.P. ----- 6.00/18 FORT "90" DATA TABLE: 6.00/16 INFLATED WIDTH on 3.50" rim 5.9" INFLATED WIDTH on 5.50" rim 6.8" INFLATED DIAMETER 28.6" Graph Annotations: 30 lbs/sq.in 20 lbs/sq.in 36 lbs 28 lbs 20 lbs Paper/Series Markings: KINWEST SERIES C.469 A.{Mr Adams} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} THORNTON LTD MANCHESTER | ||