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).
Comparative test results for a reduced volume Enot's petrol filter against a standard filter.
| Identifier | ExFiles\Box 17\5\ Scan164 | |
| Date | 8th August 1932 | |
| x7460 x4037 x5460 REDUCED VOLUME ENOT'S PETROL FILTER. 8.8.32. This filter specially supplied by Enot's, had a petrol volume of 30 ccs. as against the standard volume of 80 ccs. When tested in conjunction with an Lec.2961 petrol pump having .250" stroke, and 1/4" dia. suction pipes, the following comparative results were obtained. TABLE DATA: Column Headers: [Description], Secs. Initial pumping time (at 20 prpm.), Secs. Initial pumping time (at 50 prpm.), Secs. Initial pumping time (at 75 prpm.), Delivery pts/hr at 1750 prpm. Row 1: Suction Pipe connected direct to pump., 61, 33, 18, 109 Row 2: Special Enot's 30 cc filter., 80, 45, 27, 102 Row 3: Standard 80 cc. filter., 107, 53, 27, 100 | ||