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 chart comparing water and glycol coolant on a Kestrel six-cylinder engine unit.
| Identifier | ExFiles\Box 54\4\ Scan110 | |
| Date | 2nd August 1934 | |
| FIG. V KESTREL SIX CYLINDER UNIT COMPARATIVE WATER AND GLYCOL FLOWS AND POWER OUTPUTS R.P.M. 2500 BOOST + 8.0" HG BLOCK STD KESTREL F.37513/4 FITTED WITH UNRESTRICTED INLET AND FRONT OUTLET, STD CENTRE OUTLET AND 0.590" DIA: RESTRICTION ON REAR OUTLET WATER PUMP L.O.P. E.33098 FUEL D.T.D. 230 CONSTANT TOTAL CONSUMPTION B.M.E.P WATER COOLED GLYCOL COOLED COOLANT FLOW - GALS/MIN. 6% REDUCTION COOLANT INLET C H.S.B 2.8.34 | ||