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 detailing the results of a steering wobble test at different speeds.
| Identifier | ExFiles\Box 28\4\ Scan196 | |
| Date | 28th October 1922 | |
| X457 Mr. Hives from GWH.{George W. Hancock - Head Chateauroux} 28.10.22. 5-EX - STEERING WOBBLE TEST. With tyres 33 X 5 - 60 lbs. pressure. The period of wobbles came out as follows :- M.P.H. Wobbles per min. 6 316 6 312 6 308 6 312 6 304 6 312 12 324 12 312 12 300 12 344 12 336 12 320 GWH.{George W. Hancock - Head Chateauroux} | ||