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\ scan0112 | |
| Date | 8th March 1926 guessed | |
| HS{Lord Ernest Hives - Chair} (circled) UJ (crossed out) COPY. TEST REPORT - 11-EX. NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. Consed. Day. | Agg. Mileage. | Total Running Hours. | Average Speed. | Date. 53 | 9318 | 331 15/60 | 25 | Feb. 21st MILEAGE. Start. | Finish. | Days. 647 | 822 | 175 PETROL. Start. | added. | Finish. | Used. 6 | 12 | 0 | 18 Oil added. 1/4 gall. Oil M.P.G. 1200 Petrol M.P.G. 9.7 Running Hrs. 7 Route, condition etc. Involuntary stops. Adjustments, work done. remarks on running etc. Rouen to Tours. Servo chattering on two occasions on very bad road surface (pot holes). Hours of slow running. Steering (since adjustments and increased tyre pressures) much better. 50 lbs. all round. Battery box on running board split badly. Hartford rear shock absorbers adjusted up 1/2 turn. (Batteries topped 1/4 pint of water.) Steering tends to wander, and also makes car unstable on side of road. Car holds the road badly, therefore, shock-absorbers adjusted as shown above. (Sgd.) P.N. Drivers Henry Boot. | ||