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).
Test results for a 40/50 HP front axle, detailing torsion and bending deflections under various loads.
| Identifier | Morton\M1.A\ img014 | |
| Date | 16th December 1920 | |
| TESTS ON 40/50 H.P. FRONT AXLE TO N.SCH.979 TORSION. BENDING. BEND IN CENTRE OF AXLE. LOAD. | TOP. | BOTTOM. | DEFLECTION. | PERMANENT SET. | DEFLECTION. 300 lbs. | .018 | .010 | .018 | .002 | .002 500 " | .042 | .029 | .040 | --- | .005 700 " | .068 | .051 | .062 | --- | .008 900 " | .092 | .076 | .087 | .003 | .012 1100 " | .119 | .104 | .116 | .005 | .017 1300 " | .138 | .119 | .134 | .008 | .020 1500 " | .173 | .159 | .162 | .011 | .023 1700 " | .200 | .189 | .181 | .014 | .029 1900 " | .214 | .200 | .201 | .017 | .023 2100 " | .243 | .215 | .216 | .020 | .039 2300 " | .263 | .236 | .237 | .020 | .042 2500 " | .284 | .261 | .271 | .023 | .046 2700 " | .318 | .285 | .302 | .029 | .050 2900 " | .340 | .291 | .330 | .030 | .054 3100 " | .383 | .336 | .340 | .033 | .057 3300 " | .385 | .345 | .350 | .033 | .058 3500 " | .413 | .367 | .386 | .033 | .060 3700 " | .433 | .391 | .401 | .033 | .064 3900 " | .453 | .409 | .419 | .033 | .067 4100 " | .467 | .423 | .442 | .033 | .070 4300 " | .488 | .455 | .470 | .033 | .074 4500 " | .511 | .478 | .503 | .034 | .079 4700 " | .551 | .496 | .517 | .035 | .083 4900 " | .581 | .514 | .531 | .036 | .087 5100 " | .601 | .532 | .545 | .036 | .089. R.E. 225A (100 T) (S.H. 798. 16-12-20) G 2947 | ||