Progress report on the testing, fitting, and development of various engine units.
| Identifier | ExFiles\Box 161a\3\ scan0211 | |
| Date | 12th June 1939 | |
| -9- HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC {W. S. Cassel} 2/BA.12.6.39. Remarks. Passed to test 12.6.39 fitted with new set of split skirt pistons. Connecting Rods with Vandervell Brgs. Double valve springs to Nos.4,5, & 6 Cylinders. W.III.No.4. On test for general development. W.III.No.5. Fitted in 28.G.VI. W.III.No.6. Fitted in 27.G.VI W.III.No.8. Fitted in 25.G.VI - Rm {William Robotham - Chief Engineer} 'S car. W.III.No.9. Fitted in 29.G.VI. W.III.No.10. Now in shop after being run on the test bed, being prepared for fitment to 14.B.V. Continental Chassis. Wraith Ripple Units. W.R.No.1. New Unit instructed in HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel} 6/BA.14.4.39. 3.250 dia bore - The main items being, a. {Mr Adams} Crankcase T.H. in L.5. alloy. b. Crankcase L.H. Standard. c. Standard V.C.M. Crankshaft. d. {John DeLooze - Company Secretary} BW.2170 Pistons - Aerolite. continued. | ||
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).