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 logging quarter-mile times and speeds under various vehicle configurations.
| Identifier | ExFiles\Box 29\3\ Scan074 | |
| Date | 2nd June 1920 guessed | |
| Contd - -2- Average of three 1/4 mile Flying. Time: 25 1/4 secs. Speedometer: at stop. 1/4 mile from 10 M.P.H. Time: 40 1/4 secs. Speedometer: 70 M.P.H. Test 4. Condition - Hood and windscreen up - cut-out open. e Very light wind as for No.3 Test. Lap 1. Time: 2 m 19 sec. Speedometer: min. 74, max. at stop. Lap 2. Time: 2 m.19.sec Speedometer: min. 74, max. at stop Lap 3. Time: 2 m.18.s. Speedometer: min. 74, max. at stop Average of three 1/4 mile Flying. Time: 24 secs. Speedometer: at stop. 1/4 mile from 10 M.P.H. Time: 38 1/4 secs. Speedometer: at stop. Test 5. Condition.) Hood down - windscreen up - cut-out open. Lap 1. Time: 2 m.{Mr Moon / Mr Moore} 18 sec. Speedometer: max. at stop. Lap 2. Time: 2 m 18 1/2 s. Speedometer: max. at stop. Lap 3. Time: 2 m.{Mr Moon / Mr Moore} 19 s. Speedometer: max. at stop. Average of three 1/4 mile flying. Time: 23.75 secs. Speedometer: at stop. 1/4 mile from 10 M.P.H. Time: 39.5 secs. Speedometer: at stop. Test 6. Condition. - Hood down - winscreen down - cut-out open. Lap 1. Time: 2 m.{Mr Moon / Mr Moore} 17 secs Speedometer: max. at stop. Lap 2. Time: 2 m.{Mr Moon / Mr Moore} 16 secs Speedometer: max. at stop. Lap 3. Time: 2 m.15 1/4 s. Speedometer: max. at stop. | ||