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).
Graph comparing the front wheel deflection curves of the B III model and a Packard vehicle under load.
| Identifier | ExFiles\Box 154a\4\ scan0053 | |
| Date | 19th January 1938 guessed | |
| COMPARISON OF B III & PACKARD FRONT WHEEL DEFLECTION CURVES TABLE: HEADER: PACKARD, B. III INITIAL DEFLECTION: 8.9", 4.7" BUMP BUFFER RATING: 730, 405 LBS/IN REBOUND BUFFER RATING: 500, 2000 LBS/IN GRAPH LABELS: B III Packard NORMAL POSITION Y-AXIS: LOAD LBS X-AXIS: B III PACKARD BUMP DEFLECTION INCHES REBOUND | ||