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 plotting rear slip angle against sideways acceleration for various tyre specifications.
| Identifier | ExFiles\Box 158\1\ scan0220 | |
| Date | 16th September 1938 | |
| TYRE SLIP ANGLES CHASSIS 3 B IV 2 UP 14 GALL PETROL WIRE STEERING ALL TYRES 6.50 X 16 AT 28 LBS/[]" RIMS 4.50 WIDE REAR SLIP ANGLE 12° 10° 8° 6° 4° 2° 0 SIDEWAYS ACCELERATION 0.1 0.2 0.3 0.4 0.5 AVON NARROW GROOVE 4PLY AVON WIDE GROOVE 4PLY AVON KNIFE CUT NARROW GROOVE 4 PLY DUNLOP FORT 6 PLY INDIA SUPER 6 PLY DUNLOP '90' 4 PLY | ||