Graph showing the increase in effective radius of a 33x5 tyre relative to speed.
| Identifier | ExFiles\Box 157\3\ scan0133 | |
| Date | 1st June 1925 | |
| COPY. INCREASE IN EFFECTIVE RADIUS OF 33 x 5 TYRE INFLATED TO 70 LBS/SQ IN. AND CARRYING 1320 LBS. LOAD. INCREASE IN RADIUS - MILLIMETRES SPEED. MILES PER HOUR. R.D. June. 1925 | ||
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).