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).
Flying lap test data for a 4 1/2 litre Bentley Saloon with a passenger.
| Identifier | ExFiles\Box 160\4\ scan0100 | |
| Date | 18th July 1939 guessed | |
| G.{Mr Griffiths - Chief Accountant / Mr Gnapp} E.{Mr Elliott - Chief Engineer} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Eyston. Flying Lap test with passenger. SHEET. 4 1/2 litre Bentley Saloon. Strong wind, slight rain. First Lap: LAP: 1m 28 2/5s | NET LAP TIME: 1m 28 2/5s | Speed: 112.68 | Note: Best Lap 10 Miles Flying Section: Lap 1: Cumulative Time: 1m 26 4/5s | Net Time: 1m 26 4/5s | Speed: 114.75 Lap 2: Cumulative Time: 2m 53 2/5s | Net Time: 1m 26 3/5s | Speed: 114.75 Lap 3: Cumulative Time: 4m 20s | Net Time: 1m 26 2/5s | Speed: 115.02 Lap 4: Cumulative Time: 5m 46 2/5s | Net Time: 1m 26 2/5s | Speed: 115.55 Lap 5: Cumulative Time: 7m 13 2/5s | Net Time: 1m 27s | Speed: 114.49 Lap 6: Cumulative Time: 8m 40s | Net Time: 1m 26 3/5s | Speed: 115.02 Lap 7: Cumulative Time: 10m 6 1/5s | Net Time: 1m 26 1/5s | Speed: 115.55 Lap 8: Cumulative Time: 11m 32 4/5s | Net Time: 1m 26 3/5s | Speed: 115.02 Summary: 10 miles in 5m 12.99 sec = 115.05 mph | ||