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).
Water circulation test results for a Phantom water pump and S.S. radiator.
| Identifier | ExFiles\Box 149a\1\ scan0042 | |
| Date | 8th May 1933 guessed | |
| WATER CIRCULATION TESTS. PHANTOM WATER PUMP AND S.S. RADIATOR. | PUMP SPEED RPM. | 16°C | | 90°C | | 95°C | | |---|---|---|---|---|---|---| | | PRESS DIFF INS.HG. | WATER FLOW GLS/MIN. | PRESS DIFF INS.HG. | WATER FLOW GLS/MIN. | PRESS DIFF INS.HG. | WATER FLOW GLS/MIN. | | 2000 | 2.8 | 14.42 | 3.4 | 15.91 | 1.8 | 11.59 | | 2500 | 5.8 | 20.79 | 4.2 | 17.69 | 2.0 | 12.21 | | 3000 | 10.0 | 27.25 | 3.8 | 16.82 | 2.0 | 12.21 | | 3500 | 12.8 | 30.85 | 3.6 | 16.38 | 2.0 | 12.21 | # Boiler tank collapsed owing to depression. Q(GLS/MIN) = 8.64 √H" Initial Pumping Speeds. At 16°C Press. Diff. commences at 900 R.P.M. At 90°C " " " " 1350 R.P.M. At 95°C " " " " 1350 R.P.M. -------------- Time to empty radiator through 1½" bore pipe :- After 16 secs. flow dropped rapidly from full bore, last trickle after 33 secs. -------------- | ||