New blueprints and modifications for the Bentley 60 Chassis cast iron engine's crankcase and bearings.
| Identifier | ExFiles\Box 123\5\ scan0087 | |
| Date | 15th September 1938 | |
| [STAMP: CENTRAL DRAWING OFFICE] [Handwritten: Vale] c. Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} BY {R.W. Bailey - Chief Engineer} /CS4/EH.15.9.38. Re Bentley 60 Chassis (Cast Iron Engine). Crankcase & Bearings - Section 5000. Please receive herewith new blue prints of the following drawings:- EB.4139 Crankcase & Cylinders (Sheets 1 & 2). EB.4169 Bearing Cap - Rear The above details have been modified under our alteration 19976/E. Existing castings for the 2nd. engine can be machined to this alteration but the pattern should be altered as soon as possible. Crankshaft EB.4144 altered under alteration 19982/E, must be used in conjunction with this crankcase modification. BY {R.W. Bailey - Chief Engineer} /CS. | ||
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).