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 test results comparing 'A' Standard and 'B' 40/50 Type systems during high-speed and hill climb tests.
| Identifier | ExFiles\Box 113\2\ scan0061 | |
| Date | 8th September 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. Out 40 60 30 In 40 59 30 2/5 Mean 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. | ||