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 performance and issues.
| Identifier | ExFiles\Box 71\3\ scan0073 | |
| Date | 13th January 1926 | |
| COPY. 7900 HS{Lord Ernest Hives - Chair} CJ. TEST REPORT - 11-EX - NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. Consec. Day. | Agg. Mileage. | Total Running Hours. | Average Speed. | Date. 23 | 3665 | 129 | (Days) 20 | 13.1.26. MILEAGE Start. | Finish. | Days. 2563 | 2643 | 80 PETROL Start. | Added. | Finish. | Used. 3.75 | 15.5 | 11 | 8¼ Oil added. | Oil M.P.G. | Petrol M.P.G. | Running Hours. ✓ | 3540 | 9.8 | 4 Route, condition, etc; involuntary stops; adjustments; work done; remarks on running, etc. Paris, Rambouillet, Paris. Mine. Returned to Paris Depot for examination of starter which went completely out of action. Found to be due to small fibre insert in push button of starter switch having become pressed too far into hole or having become splayed out until full depression of push button did not cause switch to make contact. Suffering from petrol starvation. Jets being examined. Brake thud developing. Appears to be in front brakes, not in servo. Throttle stuck down on one occasion. Being examined. Drivers Garner and CWB. | ||