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).
Progress report on various engine components and development units, with remarks on their status.
| Identifier | ExFiles\Box 161a\3\ scan0171 | |
| Date | 17th April 1939 | |
| -5- HPS{Horace Percy Smith - Experimental Factory Mgr}/W.C.1/BA.17.4.39. Remarks. B.80.No.5.contd. (f) Exhaust Valves Ex.33420. Forgings now available. AG.anticipates completion in 14 days. (g) Induction Manifolds RCD.1298, details received 19.4.39 from D.O.necessitating new castings. Pattern not yet available. WSC.{W. S. Cassel}was requested to send note to AH. to urge same. (h) Pistons EB.3916 Aerolite. Standard Production. (i) Rm.{William Robotham - Chief Engineer}576 Flywheel. AG. anticipates completion by 24th. (j) Wheelcase WR 4770 Pattern not yet available. WSC.{W. S. Cassel} requested to send note to AH. urging this. A tentative date was given for the completion of this unit by end of May; it is required for fitment to 4.B.50 in conjunction with 15,000 miles trials. No.6. Similar to No.5 above. We anticipate completing same in 3 weeks after completing No.5. B.80.Conventional. We are instructed by Rm{William Robotham - Chief Engineer} to proceed with the building of a complete unit for which we are still awaiting specification from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} B.60's. No.1 On test for general development.Cylinder Head has now been modified from the Intermediate stage to EX.S.1384 No.2. Fitted in 29.G.VI. No.3. On test for development running. No.4. Fitted to 3.B.50. continued. | ||