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\ scan0134 | |
| Date | 17th March 1926 | |
| COPY. X8900 TEST REPORT - 11-EX. NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. Consec. Day. Agg. Mileage. Total Running Hours. Average Speed. Date. 72 13,031 473 25/60 26.8 17.3.26. MILEAGE. Start. Finish. Days. 4316 4535 219 PETROL. Start. Added. Finish. Used. 18 10 8 20 Oil added. Oil M.P.G. Petrol M.P.G. Running Hours - - 10.9 8 10/60 Route, condition, etc. Involuntary stops. Adjustments, work done. Remarks on running, etc. Nevers. Grenoble. Road surface good in places and some hill climbing. 1 pint of water in radiator (1st time) since new top water joint fitted. Changed two rear tyres (1 burst). Other badly worn. After 2,467 miles. Car running excellently. No other report. Passengers: Mrs. Northey and friend. Drivers Henry Boot. | ||