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 and acceleration test results for vehicle 22-EX at Brooklands.
| Identifier | ExFiles\Box 155\1\ scan0025 | |
| Date | 14th July 1932 | |
| 22-EX. 14.7.32. At Brooklands. Air Temp. 24°C. Standard Carb. M.P.H. 7 x 21 tyres. Cut-out closed lap. 123 secs 80.98 " " Open Lap. 117.4 " 84.84 " " " Cut-out closed 1/2 mile 22secs 81.92 " " Open 1/2 mile 20 " 85.71 7 x 20 tyres Cut-out closed Lap - 123.8 secs 80.46 " " " 1/2 mile - 22.1 " 81.45 " " " Cut-out open Lap - 121 secs 82.31 " " " 1/2 mile - 21.8 secs 82.57 (All tests were repeated.) Acceleration tests. 10 - 20 4.4 secs 20 - 30 5.0 " 30 - 40 5.4 " 40 - 50 6.9 " 50 - 60 7.9 " 60 - 70 11.9 " "Track conditions as with expanding carb" & S.U. wind and temperature etc. Repeat tests carried out on all three carbs in same day. F.Dodd | ||