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).
Results of a shearing test on a model frame, comparing deflection with and without extra tubular members.
| Identifier | WestWitteringFiles\S\March1928-May1928\ Scan197 | |
| Date | 25th May 1928 guessed | |
| MODEL FRAME TESTS. Shearing test. Frame vertical. One channel fixed to angle plate, the load being applied to the other, at its lowest extremity. | | X member & front tubular member. | X replaced by two extra tubular members. | |-----------|----------------------------------|------------------------------------------| | | Deflec: | Deflect: | | Load lbs. | at D, ins. | at E, ins. | at D, ins. | at E, ins. | |-----------|----------------|-----------------|----------------|-----------------| | 100 | .006 | .004 | .045 | .047 | | 200 | .011 | .011 | .095 | .096 | | 300 | .020 | .018 | .147 | .144 | | 400 | .027 | .027 | .201 | .197 | | 500 | .034 | .033 | .255 | .250 | Diagram Labels: EXTRA TUBULAR MEMBERS E D .200" LOAD | ||