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).
Requesting recommendations on the manufacturing procedure of AC.9 alloy for a meeting with Wellworthy and High Duty Alloys.
| Identifier | ExFiles\Box 116\2\ scan0100 | |
| Date | 12th November 1938 | |
| 1026a (HDA) To Mr. Wheeler (Alum Foundry). c. H.H. (Lab.) Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}3/MH.{M. Huckerby}12.11.38. MEETING WITH REPRESENTATIVES FROM WELLWORTHY AND HIGH DUTY ALLOYS. It is essential that we put down on paper our recommendations to the above people, the points concerned with manufacturing procedure of AC.9 alloy. If you will kindly put down your suggestions to their queries herewith, these can be to H.H's and my own (engine details). (1) Details of R.R. methods of manufacture. Composition of alloying elements etc. Melting conditions. (2) What magnesium is lost on remelting and is this consistent. (3) What size of melt is produced. (4) What flux is used and how often. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} | ||