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).
Status report on the allocation and testing of B.V. and Wraith III engine units.
| Identifier | ExFiles\Box 161a\3\ scan0159 | |
| Date | 5th May 1939 | |
| -7- HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}6/BA.5.5.39. B.V. Units. B.V.No.1. Fitted in 10.B.V. Chassis. B.V.No.2. Fitted in 7.B.V. " B.V.No.3. " " 1.B.50. " B.V.No.4. " " 9.B.V. " B.V.No.5. At present fitted in 14.B.V. at Coachbuilders to be finally fitted in 12.B.V. B.V.No.7. Removed from 8.B.V. after 50,000 miles test. Now stripped having 100% inspection and report prepared. Wraith Units. Wraith III No.1. On test for general development. Wraith III No.2. " " fitted with supercharger. Wraith III No.4. " " for general development. Wraith III No.5. " " fitted in 28.G.VI. Wraith III No.6. Fitted in 27.G.VI. Wraith III No.8 Fitted in 25.G.VI - Rm{William Robotham - Chief Engineer}'s car. Wraith III No.9. Removed from Chassis 2.B.50 at present in the shop for inspection. We anticipate passing to test Tuesday next. Wraith III No.10. Allocated for final fitment in 14.B.V. the Continental Chassis. AG.promises to complete the Cylinder Head and Block by Tuesday next. It was agreed that standard exhaust valves should be temporarily fitted before the completion of the strengthened valve, which it was pointed out must be fitted before the unit is fitted into the chassis. We anticipate passing the unit to test 11.5.39 continued. | ||