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).
Torsional test results for the Condor I crankshaft, showing deflection under torque.
| Identifier | ExFiles\Box 63\4\ scan0063 | |
| Date | 20th December 1929 guessed | |
| CONDOR I CRANKSHAFT TORSIONAL TEST Graphs: EFFECTIVE TORQUE IN LBS INS DEFLECTION IN INCHES Graph Line Labels: No. 1, No. 2, No. 3, No. 4+, No. 5, No. 6+, No. 7, No. 8, No. 9, No. 10+ Notes: DEFLECTION READINGS TAKEN AT POINTS A.B.C. i.e. 3.750 RAD FROM JOURNAL CENTRE PERMANENT SET REPRESENTED BY DOTTED LINES Diagrams: Crankshaft Diagram Labels: No.1, No.2, No.3, No.4, No.5, No.6, No.7, No.8, No.9, No.10, No.11, No.12, LEVER Data Table: DEFLECTION TORQUE | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 2000 | NIL | .001 | .0015 | .002 | NIL | .004 | .005 | .006 | .007 | .0085 | .009 | NIL 4000 | .0015 | .0025 | .0045 | .0045 | .005 | .008 | .009 | .013 | .0155 | .0165 | .0185 | NIL 6000 | .0025 | .0035 | .006 | .0065 | .007 | .011 | .0125 | .018 | .020 | .023 | .029 | NIL 8000 | .004 | .004 | .008 | .009 | .010 | .015 | .019 | .0245 | .026 | .029 | .030 | NIL 10000 | .005 | .005 | .010 | .010 | .012 | .017 | .0225 | .029 | .030 | .032 | .035 | NIL 12000 | .0055 | .006 | .012 | .012 | .015 | .020 | .027 | .033 | .037 | .0375 | .037 | NIL 14000 | .007 | .0075 | .014 | .014 | .021 | .023 | .0305 | .040 | .040 | .045 | .044 | NIL 16000 | .0075 | .0085 | .015 | .016 | .024 | .0255 | .0345 | .046 | .048 | .050 | .049 | .048 | ||