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).
Graph showing the results of a Merlin crankshaft bending test.
| Identifier | ExFiles\Box 132\1\ scan0074 | |
| Date | 29th September 1938 | |
| MERLIN CRANKSHAFT BENDING TEST CRANKSHAFT DETAILS D 4475 (VCM 3250, RR D8) DEFLECTION OF CRANKSHAFT FOR LOADS OF 200 LBS PER CRANKPIN APPLIED AT SEPARATE PAIRS OF CRANKPINS LOAD APPLIED AT CRANKPINS 3 & 4 BEARING INDICES 1 2 3 4 5 6 7 LOAD APPLIED AT CRANKPINS 2 & 5 LOAD APPLIED AT CRANKPINS 1 & 6 VERTICAL SCALE 1" TO .020" DISTANCES BETWEEN JOURNALS NOT TO SCALE BL 2211 SHEET I | ||