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 the 8 Cylinder High Power Alum Engine and B.60 Cast Iron Units.
| Identifier | ExFiles\Box 161a\1\ scan0009 | |
| Date | 12th July 1939 | |
| - 6 - REMARKS. 8 Cylinder High Power Alum Engine. New Unit, new pattern for top half and Cylinder Head. EB.5079 Crankcase and Cylinder. EB.5100 Cylinder Head. EB.5109 Exhaust Valves. EB.5107/8 Inner and Outer Valve Springs. B.60 Cast Iron Units. No.1 Test Bed Unit in shop for fitment of the chain Driven Camshaft. No.2. Fitted in 1.B.50 Chassis. No.3. On test for Development running. No.4. Fitted in 3.B.50 Chassis. Anticipate passing to test by the 14th. To be modified by incorporating Wraith type of Spring Drive necessitating modification to the following in which pattern work is involved. Lower Half, new W'Case, Water Pump Adaptor, Water Outlet, Nose Bearing. All details are instructed under code BC.1/3 To be fitted in connection with 30,000 miles trials. We are urging all possible. No.5. New Unit in accordance with specification, HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}1/BA.5.4.39. The main items being, 1. EB.4910 Crankcase T.H. and Cylinder. 2. EB.4685 Crankshaft. 3. SCD.1043 Crankshaft Damper. 4. EB.4916 Aerolite Pistons. 5. EB.3844 Cylinder Head. 6. EB.5051 Rocker Cover PD.430 Oil Filler incorporated. 7. Ex.33420 Exhaust Valves - solid stem. 8. EB.4482 Camshaft. 9. Ex.S.1300 Wheelcase. 10. EB.3813/4 Exhaust Manifold. 11. EB.5020 Breather Connection. C'Case T.H.Casting in operation. Crankshaft Forging in operation. AG. to give anticipation of completion at next meeting. continued. | ||