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).
Request to produce rough machined main bearing blanks for A.E.C. in A.C.7 alloy.
| Identifier | ExFiles\Box 116\1\ scan0092 | |
| Date | 11th January 1938 | |
| 1020a To HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews}6/JH.11.1.38. A.E.C. MAIN BEARINGS. Will you please arrange to have produced the following rough machined main bearing blanks in A.C.7 alloy. Rear bearing 4.500 outside dia. x 3.100 long 2 off. Front " 4.750 " x 2.500 long 2 off. Intermediate bearing 4.500 outside dia. x 1.500 long 8 off. Centre bearing 4.500 outside dia. x 2.500 long 2 off. All bearings to be bored 3.100 diameter, and fully heat treated prior to despatch to A.E.C. Ltd. for final maching and fitting. Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews} | ||