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 data from a Merlin engine crankshaft bending test showing journal deflections under various loads.
| Identifier | ExFiles\Box 132\1\ scan0079 | |
| Date | 29th September 1938 | |
| 29.9.38 MERLIN CRANKSHAFT BENDING TEST D 4475 (VCM 3250, RR D8) CRANKSHAFT DETAILS AVERAGE DEFLECTIONS (") OF JOURNALS FOR LOADS OF 200 LBS PER CRANKPIN APPLIED TO PAIRS OF CRANKPINS TABLE I CRANKPINS ON WHICH LOAD IS APPLIED | JOURNAL | 2 | 3 | 4 | 5 | 6 3 & 4 | .0144 | .0264 | .0323 | .0277 | .0151 2 & 5 | .0097 | .0163 | .0184 | .0168 | .0103 1 & 6 | .0028 | .0042 | .0048 | .0045 | .0029 DEFLECTIONS (") OF JOURNALS FOR VARYING LOADS APPLIED AT THE CENTRE JOURNAL IN THE DIRECTION OF THE EQUALISING LOAD TABLE II LOAD | JOURNAL | 2 | 3 | 4 | 5 | 6 200 LBS | .0061 | .0114 | .0128 | .0109 | .0063 300 LBS | .0095 | .0169 | .0192 | .0166 | .0095 350 LBS | .0108 | .0196 | .0224 | .0194 | .0109 373 LBS | .0115 | .0208 | .0240 | .0208 | .0115 BL 2211 SHEET 6 | ||