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).
Acceleration test results for a Lincoln V-12 Town Sedan with standard and high gear axle ratios.
| Identifier | ExFiles\Box 127\2\ scan0010 | |
| Date | 7th June 1932 | |
| X3929. LINCOLN V-12 - TOWN SEDAN. ACCELERATION TESTS. STANDARD GEAR AXLE RATIO HIGH GEAR AXLE RATIO 4.58 to 1 4.23 to 1 _______________________ ________________________ Top Gear. Top Gear. 10 - 30 7 secs. 10 - 30 7 secs. 10 - 60 20 " 10 - 60 20 " 10 - 70 27 1/5 secs 10 - 70 25 3/5 secs. 10 - 80 39 secs. 10 - 80 35 3/5 " 2nd. Speed. 2nd Speed. 10 - 30 4 secs. 10 - 30 4 secs. 10 - 50 11 4/5 secs. 10 - 50 10 1/5 secs. Lap Time (Flying) Lap Time (Flying) 1 min 64 secs. = 87 M.P.H. 1 min. 50 3/5 secs. = 90 M.P.H. Flying 1/2 mile Flying 1/2 mile. 20 secs. = 90 M.P.H. 18 4/5 secs = 95.75 M.P.H. Test Hill. Test Hill. Start 25 M.P.H. top gear Start in top 25 M.P.H. over top 22 M.P.H. over top at 20 M.P.H. Standing start 2nd speed 14 1/5 secs. 2nd Speed Standing 14 4/5 secs. " " 1st " 11 3/5 " 1st Speed Standing 11 1/5 " Brooklands Track 7 & 9 June 1932 NKM/LT CH/LT | ||