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).
Illustration of a fractured off-side front engine support from an E.A.CII chassis bump test.
| Identifier | ExFiles\Box 69\2\ scan0290 | |
| Date | 17th December 1924 | |
| BUMP TEST OF E.A.CII CHASSIS. CRACK OFF-SIDE FRONT ENGINE SUPPORT (E71430) FRACTURED AS SHEWN, AFTER 146 HRS. 10 MINS. 17-12-24. | ||