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).
Instructions for new drawings and experimental machining of a crankshaft for the Bentley 50 Cast Iron Engine.
| Identifier | ExFiles\Box 111\2\ scan0366 | |
| Date | 3rd June 1938 | |
| [Handwritten] 830 [Illegible stamped text, crossed out] c. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} [Handwritten] File BY/CS2/EH.3.6.38. Re Bentley 50 Cast Iron Engine. Crankshaft - Section 5010. E.CD.436 - Top Half Crankcase, Crankshaft etc. E.CD.464 - Camshaft Gear, and Front End. Please receive herewith blue prints of the following new drawing, detailed in accordance with the above schemes. E.B.3867 Crankshaft. Will you please instruct as required. Further parts to follow. Please note, that for experimental purpose this piece should be machined from existing Forging EW.912F. For this purpose a forging as large as possible, with special reference to dimension 25.925 to front of front journal, should be selected. Special care should be taken in machining the front face of the front journal. BY/CS. | ||