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).
List of components and specifications for various Bentley engine units, including the 80, Conventional 8, and High Power Alum engines.
| Identifier | ExFiles\Box 161a\1\ scan0037 | |
| Date | 28th August 1939 | |
| -5- HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}2/BA.28.8.39. Bentley 80 Engine Units - continued. No.7 - contd. 1. EB.4670 Crankcase T.H. and Cylinder. 2. EB.4575 Crankshaft, nose end to EB.4101. 3. EB.3916 Standard Aerolite pistons with tin plated rings as B.V. production. 4. Ex.29697 Connecting Rods. 5. EB.4098 Cylinder Head. 6. Ex.33420 Exhaust Valves - solid stem. 7. EB.4512 Camshaft. On test prior to fitting to 33.G.VII. Conventional 8 No.1 Unit. New Unit in accordance with specification in HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}1/BA.4.5.39 the main items being. We are to give preferential treatment to the Alum Straight Eight before this unit. This does not mean we are to hold this unit up. 1. EB.4600 Crankcase and Cylinders. 2. EB.4575 Crankshaft .4% Carbon steel. 3. EB.4740 Pistons - tin plated rings. 4. EB.4532 Cylinder Head. 5. EB.4540 Rocker Cover. 6. EB.4506 Induction pipe. 7. EB.4713/4 Exhaust Manifolds. 8. EB.4599 Camshaft. 9. Rm.{William Robotham - Chief Engineer}576 Flywheel. 8 Cylinder High Power Alum Engine. New Unit, new pattern of Top Half and Cylinder Head. To have preferential treatment over the Conventional Unit. 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 On test fitted with Chain Driven Camshaft. continued. | ||