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).
Performance results of a pump test.
| Identifier | ExFiles\Box 149\4\ scan0286 | |
| Date | 5th April 1937 | |
| AC 772 5M 1-37 MEMORANDUM To Mr. Babitch cc L. B. Smith, File. April 5, 1937 Copy to Rolls Royce 1523227 Pump INLET 10' 5/16" tubing. LIFT 12" OUTLET 2' 5/16" Tubing FREE FLOW. MANOMETER TEE AT PUMP BUT NO VALVE AT END OF TUBING. FLOW RESTRICTED. ADDED VALVE AT END OF OUTLET TUBING. FREE FLOW G.P.H. STATIC SPEED RUNNING RUNNING PRESS. LBS./SQ.IN. PRESS.LBS./ R.P.M. PRESS. G.P.H. 0.5 1.0 1.5 2.0 2.0(a) 2.0(b) SQ.IN. 200 0 28.6 20.6 20.0 15.8 9.4 10.8 11.6 3.0 400 0 31.2 29.2 22.2 18.4 14.0 18.4 18.0 3.1 800 0 36.6 33.0 31.6 28.6 23.8 25.2 24.6 3.3 1200 0 36.4 36.0 34.4 29.8 28.8 26.2 25.4 3.6 1600 0.5 37.0 33.6 32.4 29.5 25.4 26.3 25.2 3.6 2000 0 34.2 33.6 31.4 29.5 25.5 26.0 26.0 3.55 Chart attached. (a) Pump aerated before check at each speed. (b) Pinched the manometer tubing at outlet to determine whether the manometer and tubing introduced a considerable error due to the air dome effect. A.{Mr Adams} E.{Mr Elliott - Chief Engineer} Fyffe for L. B. Smith COPY | ||