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 for vehicle 22-EX at Brooklands, including lap times, acceleration data, and handling notes.
| Identifier | ExFiles\Box 155\1\ scan0024 | |
| Date | 13th July 1932 | |
| Afternoon. 22-EX. 13.7.32. AT BROOKLANDS. Air Temp. 19°C. S.U. Carb. M.P.H. Cut-out closed Lap. 118.4secs 84.13 7 x 21 tyres Cut out open Lap. 110 secs. 90.55 "Repeat" Cut-out open Lap. 119 secs. 91.38 7 x 21 tyres ½ mile cut-out closed 21.3 secs. 84.51 " " " " Open 19.3 " 93.26 "Repeat" ½ " " " Open 19.3 " 93.26 7 x 20 tyres! Cut-out closed lap. 121.8 secs 81.77 " " " " ½mile 21 " 85.71 " " " Open Lap - 111 secs 89.74 " " " Open ½ mile - 19.6 Secs. 91.84 7 x 20 tyres Acceleration tests. 10 - 20 4.5 secs. more wind than with expanding carb average taken of two track positions. 20 - 30 4.7 " 30 - 40 4.9 " 40 - 50 6.4 " 50 - 60 6.8 " 60 - 70 10.5 " Car rides the track well with Andre damper's working excellently, no rolling and we have not found it necessary to remove any rear mud-guard's. F. {Mr Friese} Dodd. | ||