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 test results from Brooklands, detailing lap times and speeds under various conditions.
| Identifier | ExFiles\Box 29\3\ Scan082 | |
| Date | 16th June 1920 guessed | |
| -2- TESTS ON BROOKLANDS - CONTD: Very light wind blowing across half-mile - straight towards railway. Water temp. 100°C. at end of second lap on each test. Test 4. Condition. Hood and screen up - cut-out open. Std. axle. 1/4" liners under cyls. Lap 1 Lap 2 Lap 3 Time. Speedometer. Time. Speedometer. Time. Speedometer. min. max. min. max. min. max. 2 m 24.5 s. 67 at stop. 2 m 23.5 s 67 at stop. 2 m 23 s. 68 at stop. Average 1/2 mile flying. 1/2 mile from 10 M.P.H. of three. Time. Speedometer. Time. Speedometer. 25 secs. at stop. 43 secs. 66 M.P.H. Test 5. Condition. - Hood down screen up - cutout open. Lap 1 Lap 2 Lap 3 Time. Speedometer. Time. Speedometer. Time. Speedometer. min. max. min. max. min. max. 2 m.{Mr Moon / Mr Moore} 24 s. 69 at stop. 2 m.{Mr Moon / Mr Moore} 23.5 s. 68 at stop. 2 m 23 s. 69 at stop. Average 1/2 mile flying. 1/2 mile from 10 M.P.H. of three. Time. Speedometer. Time. Speedometer. 25 secs. at stop. 43 secs. 66 M.P.H. Test 6. Condition. - Hood and screen down - cutout open. Lap 1 Lap 2 Lap 3 Time. Speedometer. Time. Speedometer. Time. Speedometer. min. max. min. max. min. max. 2 m 20 s. 73 at stop. 2 m 19.5 s. 74 at stop. 2 m 19 s. at stop. st stop. Contd. | ||