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 flow versus water inlet temperature at various engine speeds for Kestrel and Goshawk engines.
| Identifier | ExFiles\Box 179b\3\ img253 | |
| Date | 16th February 1933 guessed | |
| KESTREL MOD. SUPERCHARGED ENGINES. CURVE 385 F GOSHAWK CYLINDERS TO D.E.S. 1613. WATER PUMP FLOW VARYING WITH SPEED AND TEMPERATURE ENGINE No KES IV M.S. 607 WATER PUMP TO I.O.P. 38201 TOP WATER RAILS CLEARED OUT AT SECURING BOSSES HORN PIPES FITTED WITH 13/16" DIA RESTRICTION WASHERS. CONDITIONS OF TEST MODIFIED ARRANGEMENT OF OUTLET RESTRICTION WASHERS AS CASE 2. CURVES TAKEN WITH STATIC HEAD TO WATER PUMP OF +1 LB/D'' A REPRESENTS FLOW AT 2500 RPM (FT) INLET PRESS - 1 LB/D'' OUTLET PRESS + 3 LB/D'' B DO. DO. DO. INLET PRESS - 1 LB/D'' OUTLET PRESS + 3 LB/D'' C DO. DO. DO. INLET PRESS - 1 LB/D'' OUTLET PRESS + 3 LB/D'' WATER FLOW - GALL/MIN. WATER INLET TEMPERATURE °C 3000 R.P.M. 2500 R.P.M. 2200 R.P.M. 400 R.P.M. | ||