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.
| Identifier | ExFiles\Box 71\3\ scan0090 | |
| Date | 29th January 1926 | |
| COPY. 78900 TEST REPORT - 11-EX - NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. Consec. day. Agg. Mileage. Total Running Hours. Average Speed. (Days) Date. 36 6512 224 55/60 21.5 29.1.26. MILEAGE. Start. Finish. Days. 5329 5490 161 PATROL. Start. Added. Finish. Used. 10 19 11 18 Oil added. Oil M.P.G. Petrol M.P.G. Running Hours. 3304 9.0 7 1/2 Route, condition, etc; involuntary stops; adjustments; work done; remarks on running, etc. Paris, Rambouillet, St.{Capt. P. R. Strong} Germain, Les Essarts, etc. Roads generally good. Mostly dry. Some heavy rain. Car running O.K. Brakes now more effective and front wheel braking efficient. Shock absorbers all taken up, with improved results. Clutch does not stop. Controls rattle. Drivers CWB. and Garner. | ||