Table of results from frame cross rigidity tests on four different designs, including a 'Spectre' model.
| Identifier | ExFiles\Box 94\4\ scan0048 | |
| Date | 21th May 1935 | |
| FRAME CROSS RIGIDITY TESTS | FIG. 1 SPECTRE(Codename for Phantom III) | FIG. 2 SPECTRE(Codename for Phantom III) REINFORCED | FIG. 3 | FIG. 4 | |---|---|---|---| | ZERO 10.105 | INS. 10.130 | INS. 9.975 | INS. 10.075 | | 3 LBS. 10.060 | INS. .045 | 10.100 .030 | 9.912 .063 | 10.025 .050 | | ZERO 10.105 | 10.130 | 9.975 | 10.075 | | ZERO 10.105 | 10.130 | 9.975 | 10.075 | | 7 LBS 10.000 | .105 | 10.053 .073 | 9.830 .145 | 9.950 .125 | | ZERO 10.105 | 10.130 | 9.975 | 10.075 | | ZERO 10.105 | 10.130 | 9.975 | 10.075 | | 10 LBS 9.950 | .155 | 10.025 .105 | 9.750 .225 | 9.885 .190 | | ZERO 10.105 | 10.130 | 9.960 | 10.075 | | ZERO 10.105 | 10.130 | YIELD POINT | 10.075 | | 15 LBS 9.870 | .235 | 9.960 .170 | REACHED AT | 9.800 .275 | | ZERO 10.075 | 10.125 | 10 LBS. | 10.055 | | ZERO YIELD POINT | 10.125 | | 10.055 | | 18 LBS REACHED AT | 9.930 .195 | | 9.725 .330 | | ZERO 15 LBS | 10.125 | | 10.040 | | ZERO | 10.125 | | YIELD POINT | | 22 LBS | 9.880 .245 | | REACHED AT | | ZERO | 10.110 | | 15 LBS. | | YIELD POINT | YIELD POINT | | | | REACHED AT | REACHED AT | | | | 22 LBS. | 22 LBS. | | | | | DUE TO OVERLOAD | | | | | OF FIXINGS. | | | | | | | 21-5-35 | | ||
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).