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).
Petrol and oil consumption figures for various experimental cars and lorries.
| Identifier | ExFiles\Box 144\3\ scan0326 | |
| Date | 3rd December 1940 | |
| To Rm.{William Robotham - Chief Engineer} from Rn{Mr Robinson}/Wym.{G. Harold Whyman - Experimental Manager} 1220 Rn{Mr Robinson}/Wym.{G. Harold Whyman - Experimental Manager}6/ET.3.12.40. PETROL AND OIL CONSUMPTION. Herewith a list of petrol and oil consumptions on our Experimental cars and lorries, to date:- Petrol Oil 1-B-50 (Lorry) B.60 No.1. 16.6 m.p.g. 1417 m.p.g. Stromberg Carb. 2-B-50 B.V. No.3. 16.48 " 1521 " Twin S.U. Carb. 3-B-50 B.60 No.4. 15.60 " 1113 " Twin S.U. carb. 4-B-50 B.80 No.1. 15.00 " 1028 " Stromberg carb. 30-G-VII B.80 No.5. 12.80 " 1551 " Stromberg carb. 1-R-1 WRAITH RIPPLE No.3. 16.25 " No Record. Stromberg carb. 8-B-V B.V No.7. 17.90 " 1589 " Twin S.U. carbs. 9-B-V B.60 No.3 16.60 " 1270 " Twin S.U. carbs. 10-B-V B.V No.1. 17.10 " 2204 " Twin S.U. carbs. | ||