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).
The performance of Auto-Klean strainers on a test bench and in a car.
| Identifier | WestWitteringFiles\N\2October1925-December1925\ Scan137 | |
| Date | 16th November 1925 | |
| R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF: Hs{Lord Ernest Hives - Chair}/ACL1/LG161125 ORIGINAL To R.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair}/ACL. c. to CJ. BJ. c. to E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design} c. to RG.{Mr Rowledge} BY.{R.W. Bailey - Chief Engineer} c. to Wor.{Arthur Wormald - General Works Manager} AUTO-KLEAN STRAINERS. V3701. RS{Sir Henry Royce's Secretary}3/M26.10.25. We have tested one of these instruments both on a car and on a test bench engine. On the test bench the results obtained were satisfactory inasmuch as it proved to be effective in preventing the passage of water to the carburetter. However on the occasion of this test there was found to be a large quantity of water in the petrol, and under these conditions the capacity of the sump was inadequate, which resulted in the same trouble being experienced as when running without the strainer. When running our test engines under normal conditions we have not felt the want of an instrument of this kind as it is seldom that any trouble is experienced due to choked carb. jets. With regard to the test on the car - a standard 40/50 RR. in which the Auto-klean was inserted between the Autovac and the carburetter - the results were not at all satisfactory. At this time we were testing a fuel which was found to contain a large quantity of 'fluff' in suspension and thought it would be a favourable opportunity to test the efficiency of this instrument. After about 40 miles, the strainer would become choked with the fluff which adhered to the edges of the contd :- | ||