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\ scan0149 | |
| Date | 4th April 1926 | |
| COPY. TEST REPORT - 11-EX. NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. | Consec. Day. | Agg. Mileage. | Total running Hours. | Average Speed. | Date. | |--------------|---------------|----------------------|----------------|-------------| | 86 | 15,174 | 582 40/60 | 16.4 | 4.4.26. | MILEAGE. | Start. | Finish. | Days. | |--------|---------|-------| | 6549 | 6680 | 131 | PETROL. | Start. | Added. | Finish. | Used. | |--------|--------|---------|-------| | 12 | 7 | 8 | 11 | | Oil added. | Oil M.P.G. | Petrol M.P.G. | Running Hrs. | |------------|------------|---------------|--------------| | 1/4 gall. | 1200 | 12 | 8 | Route, condition, etc. Involuntary stops. Adjustments, work done. Remarks on running, etc. Como. Pallaza. Domodossola. Road surface rough but dry. Hill climbing. Steering has developed too easy, apparently in steering box. No excessive slackness in cross steering tube. (Sgd.) P.N. Drivers Henry Boot. | ||