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 units (B.80 series), detailing specifications, parts, and trial status.
| Identifier | ExFiles\Box 161a\3\ scan0220 | |
| Date | 19th June 1939 | |
| -5- HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}1/BA.19.6.39. B.80.No.4 continued. Remarks. same to B.80.No.5 Unit in connection with 30,000 miles trials see, HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}8/BA.7.6.39. Specification for rebuilding has been issued. B.80.No.5. New Unit required for 30.G.VII. in connection with 30,000 miles trials. Now being prepared for test bed running prior to fitment to 30.G.VII. RH.{R. Hollingworth} stated that we were passing to test by Thursday. B.80.No.6. New Unit in accordance with specification issued in HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}1/BA.31.3.39. The main items consisting of:- 1. EB.4670 Crankcase T.H. and Cylinders to suit 2.750 dia journals. 2. EB.4575 Crankshaft, with nose end to EB.4104 to suit original harmonic damper. 3. EW.2121 Split skirt pistons. 4. EB.4098 Cylinder Head. 5. EB.4512 Camshaft. 6. Ex.33420 Solid stem exhaust Valves. 7. EB.4835 Induction Pipe to ECD.1298. 8. EB.4291/2 Exhaust Manifolds. 9. Rm.{William Robotham - Chief Engineer}576 Flywheel. 10. R.R. Ignition Distributor. Promised for the first week in July. AG. stated that all details would be completed by the time the Crankshaft was available. B.80.No.7.Unit. New Unit which will be required for the Silver Dawn 80 Chassis No.33.G.VII. The following are the main items. 1. EB.4670 Crankcase T.H. and Cylinder. AG. to carefully check up the specification and let us have a tentative date at the next meeting. continued. | ||