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).
Meeting notes detailing the progress and parts required for B.80 engine units, including a conventional Bentley 80 version.
| Identifier | ExFiles\Box 161a\3\ scan0140 | |
| Date | 27th April 1939 | |
| -5- HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}10/BA.27.4.39. B.80.No.5. contd. (a) Crankcase T.E.Cylinder EB.4670 AG. reported that this was at the operation milling. (b) Crankshaft EB.4575 HPS.{Horace Percy Smith - Experimental Factory Mgr} stated that he was anticipating this being available in a prox. 4 weeks. (c) Crankshaft Damper to BCD.1246. (d) Cylinder Head EB.4098. (e) Camshaft Ex.33975. (f) exhaust Valves Ex.33420. (g) Induction Manifolds BCD.1298 details were received 19.4.39 and are instructed under code BE.3/2, necessitating new castings. (h) Pistons EB.3916 Aerolite. It was agreed that a tentative date for the completion of this unit would be the end of May. This unit is now allocated to.4.B.50.Chassis. B.80.No.6. This was also a new unit instructed in HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}1/BA.31.3.39 which is similar to B.80.No.5 with the following exceptions. (a) EB.4512 Camshaft. (b) EW.2121 Pistons - Aerolite. This engine is to follow closely on the heels of B.80.No.5. Bentley 80 Conventional. We have now well in hand all the new patterns for this unit. Will Rm.{William Robotham - Chief Engineer} please say if he requires us to go ahead with the producing of any necessary jigs and tools that will be required for machining purposes; as it was pointed out that if this unit is required in a hurry, jigs and tools would be biggest hold up. [Handwritten text in black ink] Short duration camshaft. URGE THIS UNIT FOR 30GVI [Handwritten text in red ink] WHAT JIGS ARE REQUIRED | ||