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 a new experimental Sump Drain Plug for a Large Bore Bentley, including a request for destructive testing.
| Identifier | ExFiles\Box 132\3\ scan0040 | |
| Date | 16th January 1936 | |
| To: R.H.C. c. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} X216 BY/CS9/EH.16.1.36. Re Large Bore Bentley - Crankcase & Bearings - Section 5000. LeC.4925 - Sump Drain Plug. Please receive herewith blue prints of the following drawing, detailed to above LeC. E.B.2823 Plug - Crankcase Drain which replaces E.B.2634. Will you please instruct as required, together with remainder of parts to LOP. E.B.2737. This completes instructions for experiment, the object of which is to strengthen at back of flange, where failure has occured when made in BZ/S. Will RHC.{R. H. Coverley - Production Engineer} please test this plug to destruction, comparing it with the faulty one. BY/CS. | ||