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).
Axle strength test results for a 1400 type axle with modified flanges under load.
| Identifier | ExFiles\Box 49\1\ Scan018 | |
| Date | 23th December 1911 | |
| R.R. 148 (98m) (X 168. 23.12 11) G 2363 500 Axle strength tests, 1400 type axle with 25% thinner flanges on tubes & axle box than standard, load applied on top of the box. Weight. Deflection. bottom of box Deflection across flanges on top. Deflection accross bottom flanges. End of tube to bedplate. 0 0 0 +.014" 14.015 2278 .068" -.009" +.020" 13.968 3689 .113" -.016" +.031" 13.937 4966 .192" -.033" +.041" 13.906 6310 .278" -.038" +.062" No diff. 7650 .383" -.061" +.083" " 8948 .604" -.019" 0.099" " 10,342 1.174" Collapsed " Weight of B .472" " RAH. | ||