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 for a Bentley 5 Corniche with racing tyres, showing tractive forces and speeds.
| Identifier | ExFiles\Box 97\3\ scan0069 | |
| Date | 17th March 1939 guessed | |
| BENTLEY 5 CORNICHE - RACING TYRES AXLE 12x41 x 11x41 - OVERDRIVE 1.2 TO 1 TYRES. ROAD RACING 16 x 6.50 720 REV PER MILE & 48LBS INS² WGT TESTED 34.75 CWTS OR 1.74 TONS PROJECTED AREA 24 FT² K = .00121 Graph Labels: TRACTIVE FORCE HUB H.P. TRACTIVE RESISTANCE 12x41 OVERDRIVE 11x41 OVERDRIVE Axes Labels: Left Y-Axis: TRACTIVE FORCES, B.H.P. Right Y-Axis: M.P.H. Bottom X-Axis: R.P.M. Bottom Text: MAX SPEED 12x41 AXLE = 106.0 M.P.H. MAX SPEED 11x41 AXLE = 105.0 M.P.H. | ||