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\ scan0047 | |
| Date | 20th December 1925 | |
| COPY. CJ. TEST REPORT - 11-EX - NEW PHANTOMCodename for PHANTOM I. WEYMANN BODY. [Table 1] Consec. Day: 1 Agg. Mileage: 111 Total Running Hours: 4 50/60 Average Speed: 23.0 Date: 20.12.25 [Table 2 - MILEAGE] Start: 35 Finish: 145.9 Days: 111 [Table 2 - PETROL] Start: 3 Added: 16 Finish: 8 1/2 Used: 10 1/2 [Table 3] Oil added: Nil. Oil M.P.G.: ✓ Petrol M.P.G.: 10.6 Running hours: 4 50/60 Route, condition, etc; involuntary stops; adjustments; work done; remarks on running, etc: About London. Rain and mist. Testing general performance. See separate report. Drivers: (Sgr.) CWB | ||