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 an 11-EX New Phantom with a Weymann Body, detailing a single day's run.
| Identifier | ExFiles\Box 71\3\ scan0126 | |
| Date | 8th March 1926 | |
| Hs.{Lord Ernest Hives - Chair} CJ. 4-0 11/3/26 COPY. TEST REPORT - 11-EX. NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. Consec. Day.: 64 Agg. Mileage.: 11,200 Total Running Hours.: 406 10/60 Average Speed.: 26.3 Date.: 8.3.26. MILEAGE. Start.: 2489 Finish.: 2704 Days.: 215 PETROL. Start.: 12 Added.: 16 Finish.: 8 Used.: 20 Oil added.: Oil M.P.G.: Petrol M.P.G.: 10.7 Running Hrs.: 8 10/60 Route, condition etc. Involuntary stops. Adjustments, work done. Remarks on running etc. Le CanadelHenry Royce's French residence to Valance. Road surface fairly good. Strong head wind blowing. Car running well. No other report. Passenger, Sir James Percy. Drivers Henry Boot. | ||