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).
Road and hill climb test results for vehicle 4-G-11 on Shardlow straight and Pistern.
| Identifier | ExFiles\Box 48\4\ Scan214 | |
| Date | 1st July 1924 guessed | |
| -3- ROAD TESTS ON 4-G-11. High speed tests on Shardlow straight. 'A' STANDARD. Start M.P.H. | Finish M.P.H. | Time. secs. Out | 40 | 58 | 30 4/5 In | 40 | 58.5 | 30 3/5 Mean | 40 | 58.25 | 30.35 'B' 40/50 TYPE. Start M.P.H. | Finish M.P.H. | Time secs. 40 | 60 | 30 40 | 59 | 30 2/5 40 | 59.5 | 30.2 HILL TESTS ON PISTERN (mean of 3 tests given). Start M.P.H. | Max. M.P.H. | Min. M.P.H. | At top. M.P.H. | Time mins. secs. | System. 10 | 43 | 21 | 28 | 1 46 | A. {Mr Adams} 10 | 44 | 24 | 31 | 1 38.7 | B. | ||