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\ scan0048 | |
| Date | 21th December 1925 | |
| COPY. CJ. TEST REPORT - 11-EX - NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. [Table 1] Consec. Day.: 2 Agg. Mileage.: 312 Total Running Hours.: 11 50/60 Average Speed.: 26.4 Date.: 21.12.25 [Table 2 - MILEAGE] Start.: 145.9 Finish.: 347 Days.: 201 [Table 3 - PETROL] Start.: 8.5 Added.: 29 Finish.: 15 Used.: 22.5 [Table 4] Oil added.: ✔ Oil M.P.G.: Petrol M.P.G.: 9.0 Running hours.: 7.0 Route, condition, etc; involuntary stops; adjustments; work done; remarks on running, etc. [Handwritten Notes] About London 12 hours. London, Westgate, London. Wet and snow. Roads good. Steering definitely stiffens after running in wet and mud. Controls rattle slightly in steering column. Definite piston knock. Springing good. No bumping with 5 up. Day's average speed 28.7. Generally running well. Drivers (sgd.) CWB and Turner. | ||