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).
Test report for the 11-EX New Phantom with a Weymann body.
| Identifier | ExFiles\Box 71\3\ scan0104 | |
| Date | 13th February 1926 | |
| COPY. OJ. HS{Lord Ernest Hives - Chair} TEST REPORT - 11-EX - NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. Consec. Day. | Agg. Mileage. | Total Running Hours. | Average Speed. | Date. 45 | 8406. | 297 25/60 | 21.6 | 13.2.26. MILEAGE. Start. | Finish. | Days. 7233 | 7384 | 151 PETROL. Start. | Added. | Finish. | Used. 5 | 20 | 10 | 15 Oil Added. | Oil M.P.G. | Petrol M.P.G. | Running Hours. 1 quart. | -- | 10.0 | 7 Route, condition, etc; involuntary stops; adjustments; work done; remarks on running, etc. Southend, London, Gerrards Cross and return. Road surface fair. Wet and greasy. Car oiled up all round. Drivers W. Richards and BJ. (Sgd.) CWB. | ||