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 results for a petrol tank on a luggage carrier, recording mileage and fuel gauge readings under dry and wet road conditions.
| Identifier | ExFiles\Box 44\3\ Scan081 | |
| Date | 21th November 1928 | |
| X9038 Petrol Tank to Scheme No. 2576/2578. K.S. 175. Tests with tank on luggage carrier; petrol being used by engine; straight unit; no 1/16" hole in bell plate. 20/11/28. Dry roads. Approx. in tank. Mileage. Gauge. 12.75 290 12.75 290 0 295 5 300 10.75 11.65 310 (20) 10.5 320 9.75 Overnight 21/11/28. Wet roads. 10.45 320 9.0 330 (40) 9.0 9.25 340 8.75 350 (60) 8.75 8.5 360 8.25 362 (72) 8.15 Emptied tank 8.5 approx. | ||