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).
Test report comparing the lap and half-mile speeds of a 22-EX prototype and a Cadillac at Brooklands race track.
| Identifier | ExFiles\Box 155\1\ scan0161 | |
| Date | 10th August 1934 | |
| + 786 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} From Wym.{G. Harold Whyman - Experimental Manager} 10.8.34. VISIT OF 22-EX. & CADILLAC TO BROOKLANDS. The above two cars were tested on the track at Brooklands yesterday for lap speeds and the following figures were obtained - Lap Speed. Half Mile. Cadillac 87.84 MPH. 87.38 MPH. 22-EX. 19" wheels fitted. 87.22 MPH. Not taken. 21" wheels fitted. 89.58 MPH. Not taken. We also ran 22-EX. at full throttle in top gear to see of we could dry up the petrol feed from the Autovac (Main supply) to the carburetter. This we succeeded in doing after 5 1/2 laps, i.e. 15.218 miles. Hs{Lord Ernest Hives - Chair}/G.W. Whyman. | ||