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\ scan0137 | |
| Date | 22th March 1926 | |
| COPY. TEST REPORT - 11-EX. NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. Hs.{Lord Ernest Hives - Chair} Consec. Day. | Agg. Mileage. | Total Running Hours. | Average Speed. | Date. 75 | 13,560 | 494 5/60 | 20.8 | 22.3.26. MILEAGE. Start. | Finish. | Days. 4894 | 5066 | 172 PETROL. Start. | Added. | Finish. | Used. 13 | 17 | 13 | 17 Oil added. | Oil M.P.G. | Petrol M.P.G. | running hours. [blank] | [blank] | 10 | 15/860 Route, condition, etc. involuntary stops. Adjustments, work done. remarks on running, etc. Dalmezzo to Piacenza. Road surface moderately good. Hill climbing and snow in parts. Engine pulling well. (Sgd.) P.N. RECEIVED MAY 1926 Henry Boot. Drivers _______ | ||