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 report on the overall stiffness of an Alfa-Romeo crankshaft, showing deflection measurements under torque.
| Identifier | ExFiles\Box 124\5\ scan0051 | |
| Date | 2nd March 1932 | |
| Alfa File X4482. ALFA-ROMEO CRANKSHAFT OVERALL STIFFNESS. TORQUE ARM 4FT. DEFLECTION ARMS 30" RAD. FRONT END OF CRANKSHAFT FIXED. TORQUE APPLIED AT REAR (FLYWHEEL FLANGE). DEFLECTIONS | TORQUE | FLYWHEEL FLANGE ARM TO FRONT ARM OF C'SHAFT. FL-F | REAR ARM OF C'SHAFT TO FRONT ARM OF C'SHAFT. R-F | FLYWHEEL FLANGE ARM TO REAR ARM OF C'SHAFT. FL-R.{Sir Henry Royce} | |---|---|---|---| | LB.FT | INS: | DEGS: | INS: | DEGS: | INS: | DEGS: | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 140 | .051 | .097 | .039 | .075 | .012 | .023 | | 280 | .120 | .229 | .096 | .183 | .024 | .046 | | 420 | .190 | .363 | .149 | .284 | .041 | .078 | | 560 | .255 | .487 | .201 | .384 | .054 | .103 | | 700 | .331 | .632 | .259 | .495 | .072 | .138 | | 840 | .398 | .760 | .306 | .584 | .092 | .176 | | 980 | .474 | .904 | .356 | .679 | .118 | .225 | | 1120 | .557 | 1.061 | .409 | .781 | .148 | .282 | | 1260 | .639 | 1.220 | .461 | .879 | .178 | .340 | | 1400 | .717 | 1.370 | .513 | .979 | .204 | .390 | angle? .0171 | ||