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 performance metrics and issues found during a road test in France.
| Identifier | ExFiles\Box 71\3\ scan0086 | |
| Date | 24th January 1926 | |
| 48900 HS{Lord Ernest Hives - Chair} CJ. COPY. TEST REPORT - 11-EX - NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. First Table: Consec. day. | Agg. Mileage. | Total Running Hours. | Average Speed. (Days) | Date. 34 | 6128 | 210 15/60 | 34.3 | 24.1.26. Second Table (Mileage): Start. | Finish. | Days. 4794 | 5106 | 312 Third Table (Petrol): Start. | Added. | Finish. | Used. 5 | 29 | 1 | 33 Fourth Table: Oil added. | Oil M.P.G. | Petrol M.P.G. | Running Hours. * 1 quart after 851 miles. | 3304 | 9.5 | 9 5/60 Route, condition, etc; involuntary stops; adjustments; work done; remarks on running, etc. Lyons, Macon, Saulieu, Sens, Paris. Roads generally good, some snow. Steering stiffened up during day's run, particularly on L.H. lock. Brakes not fully efficient. Some chunking in transmission. I am laying up car to-morrow for a detailed examination of the parts affecting the above features and after this will forward a detailed report on them and on the general behaviour up to date. * Slight oil leakage from governor casing off side. Drivers CWB. | ||