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).
Providing instructions for completing pattern work to produce B.60 six-cylinder engine crankcase castings.
| Identifier | ExFiles\Box 124\2\ scan0353 | |
| Date | 12th September 1941 | |
| To: Mr. Walker (Pattern Shop) c. Mr. Knagg (Foundry) c. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}1/RH.{R. Hollingworth}12.9.41. CAR ENGINE PATTERNS (Six Cylinder Engn.) 1094 Confirming our recent conversation re the B.60 crankcase. We send you herewith the following drawings, in order that you should complete the pattern work necessary to produce castings for each of the following bore size. RE.106. 3 1/4 bore. RE.136 3 1/2 " RE.259 75 mm. bore. RE.693 3 3/4 bore. Please note that an extra boss is required on each casting, as shown on RE.2780. We shall require 3 off each drawing, making 12 castings in all. O/N. 753. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} | ||