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).
Modifications and pattern updates for the B.80 Alum Unit engine.
| Identifier | ExFiles\Box 124\2\ scan0139 | |
| Date | 19th April 1940 | |
| 1044 To Sft{Mr Swift}/EW. c. to HPS.{Horace Percy Smith - Experimental Factory Mgr} c. to HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth} Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}17/JH.19.4.40. B.80 Alum Unit. With reference to the above unit. Sft{Mr Swift}/EW has stated, that there is 200 hours work necessary to complete the patterns. We were of the opinion therefore, that these patterns should incorporate the necessary modifications to bring the engine up to date. These modifications have now been issued by our D.O. as follows ED.{J. L. Edwards}5079 crankcase and cylinders, with alterations added 134/RH{R. Hollingworth} and 126/RH.{R. Hollingworth} Rm{William Robotham - Chief Engineer}/HH. will issue an amended specification to HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth} for the engine, but in the meantime, the patterns can be proceeded with. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} | ||