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\ scan0049 | |
| Date | 22th December 1925 | |
| COPY. OJ. TEST REPORT - 11-EX - NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. [Top Table] Consec. Day.: 3 Agg. Mileage.: 457 Total Running Hours.: 18 50/60 Average Speed.: 23.2 Date.: 22.12.25 [Mileage Table] MILEAGE. Start: 347 Finish: 492 Days: 145 [Petrol Table] PETROL. Start: 15 Added: 18 Finish: 17 1/2 Used: 15 1/2 [Performance Table] Oil added.: ✓ Oil M.P.G.: ✓ Petrol M.P.G.: 9.4 Running hours.: 6 15/60 [Remarks Section] Route, condition, etc; involuntary stops; adjustments; work done; remarks on running, etc. Thru London and outskirts. Rain and fog. Car inspected by Mr B.J. & C.L.C. Exhaust boom about 28 mph. Stiffening of steering after running confirmed. Car tested by E.P. and Bl. Drivers: C.W.B. E.P. Bt.{Capt. J. S. Burt - Engineer} and Tanner. | ||