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).
List of Bentley motor racing successes from 1922 to 1929.
| Identifier | ExFiles\Box 90a\5\ Scan012 | |
| Date | 22th June 1940 guessed | |
| SUCCESSES. BROOKLANDS 1922 The British double 12 hours' record won by 3-litre Bentley (2,083 miles) averaging 86.79 M.P.H. LE MANS 1924 24 hours' Grand Prix d'endurance won by 3-litre Bentley speed model 1,380 miles in 24 hours, averaging 57.5 M.P.H. MONTLHERY 1925 24 hour's World's Record, class D, 2,280 miles, averaging 95 M.P.H. LE MANS 1927 24 hour's Grand Prix d'endurance won by 3-litre Bentley, 1,472.6 miles, averaging 61.36 M.P.H. MONTLHERY 1927 24 hour's Grand Prix de Paris won by 4½-litre Bentley 1,257 miles, averaging 52.5 M.P.H. BROOKLANDS 1928 Six hour's race for standard cars. 4½-litre Bentley first, second and third on speed and distance, winners average 72.27 M.P.H. LE MANS 1928 24 hour's Grand Prix d'endurance won by 4½-litre Bentley. 1,658.6 miles, averaging 69.1 miles. ULSTER 1928 Tourist trophy race, fastest time averaging 71.16 M.P.H. BROOKLANDS 1929 Double twelve hours race for standard cars. 4½-litre Bentley, 1st on speed and distance, 2nd on formula. Average speed 81.39 M.P.H. | ||