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, detailing a day's running.
| Identifier | ExFiles\Box 71\3\ scan0075 | |
| Date | 15th January 1926 | |
| J.S. COPY. X8950 TEST REPORT - 11-EX - NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. First Table: Consec. Day.: 25 Agg. Mileage.: 4143 Total Running Hours.: 141 30/60 Average Speed. (Days): 35.0 Date.: 15.1.26. MILEAGE. Start.: 2898 Finish.: 3121 Days.: 223 PETROL. Start.: 2 Added.: 25 1/2 Finish.: 7 Used.: 22 Oil added.: ✓ Oil M.P.G.: 4700 Petrol M.P.G.: 10.1 Running Hours.: 6 20/60 Route, condition, etc; involuntary stops; adjustments; work done; remarks on running, etc. Nantes, Vannes, Nantes, Les Sables d'Overin, Nantes. Roads generally good. Car running well. Brake thud less pronounced Some snow. Less popping in exhaust. No signs of steering stiffening. Drivers CWB. | ||