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\ scan0098 | |
| Date | 9th February 1926 | |
| es. HS{Lord Ernest Hives - Chair} COPY. /8900 TEST REPORT - 11-EX - NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. Consec. Day. | Agg. Mileage. | Total Running Hours. | Average Speed. | Date. 42 | 7582 | 263 25/60 | 26.2 | 9.2.26. MILEAGE. Start. | Finish. | Days. 6324 | 6560 | 236 PETROL. Start. | Added. | Finish. | Used. 3 | 24 | 3 | 24 Oil Added. | Oil M.P.G. | Petrol M.P.G. | Running Hours. ✓ | ✓ | 9.8 | 9 Route, condition, etc; involuntary stops; adjustments; work done; remarks on running, etc. Southend, Billericay, Hertford, Aylesbury, Conduit St.{Capt. P. R. Strong}, Chelmsford, Rayleigh, Southend. Roads good. No passengers. Drivers W. Richards. | ||