Performance graph logging data from the 10,000-mile test of the 28EX vehicle in France.
| Identifier | ExFiles\Box 11\5\ 05-page112 | |
| Date | 28th March 1934 | |
| 28EX 10000 MILES TEST IN FRANCE Readings every 25 miles MPG 15 10 Petrol Con 311 Miles 110 Miles 40MPH 354 Miles 45.1 MPH 353 Miles 47.5 MPH 365 Miles 48.5 MPH 320 Miles 44.5 MPH OIL & WATER TEMP'S 110c 100c 90c 80c 70c 60c 880 MPG 785 MPG 913.3 AIR TEMP'S 30c 20c 10c 0c -5c Dates: 28/3/34, 31/3/34, 1/4/34, 1/4/34, 2/4/34, 2/4/34 Shifts/Personnel: Morning Afternoon, Jeffs A B Roberts Night, Pattinson Morning, Pattinson Afternoon, Roberts Morning, Pattinson Afternoon, Roberts Total Miles: 311, 421, 1108, 1,793 | ||
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).