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 graph of water pump tests for Kestrel S/SP engines, showing flow against inlet temperature at various RPMs.
| Identifier | ExFiles\Box 179b\2\ img143 | |
| Date | 15th November 1932 | |
| KESTREL FULLY S/SP{Mr Spinney} ENGINES CURVE 353 F.{Mr Friese} DES 1613 CYLINDERS WATER PUMP TESTS AS FOR K&MS 607 TYPE TEST (E.C.) ENGINE - K&S 27 WITH WATER SYSTEM AS FOR ABOVE. TYPE TEST ENGINE & WATER PUMP TO L.O.P. E 38201 - MORN PIPE RESTRICTIONS 13/16. UNLESS STATED TO BE OTHERWISE ALL TESTS WERE CARRIED OUT WITH A SUCTION HEAD OF + 1 LB/SQ" ON THE PUMP. FLOW IN GALLONS / MIN INLET TEMPERATURE °C 3000 RPM 2800 RPM + 1 LB/SQ" SUCTION 2500RPM + 1 LB/SQ" SUCTION 3 LBS/SQ" DELIVERY 2400 RPM + 1 LB/SQ" SUCTION 3 LBS/SQ" DELIVERY 400 RPM | ||