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).
Graph showing the effect of coolant on cylinder head temperature for a Kestrel Six Cylinder Unit.
| Identifier | ExFiles\Box 54\4\ Scan107 | |
| Date | 1st August 1934 | |
| FIG. II KESTREL SIX CYLINDER UNIT CURVES SHOWING THE EFFECT OF COOLANT TEMP ON CYL. HEAD TEMP. WATER COOLED BLOCK STD KESTREL (E.37513/4) R.P.M. 2500 BOOST +8.0" HG FUEL D.T.D. 230 CONSTANT TOTAL CONSUMPTION DOTTED LINES SHOW PRELIMINARY RESULTS. FULL LINES SHOW FINAL RESULTS TAKEN AFTER INTERCHANGING GAS STARTER COUPLES IN N°6 AND N°3 CYLS. THERMO-COUPLE TEMP °C COOLANT INLET °C GAS STARTER N° 3 CYL N° 4 CYL N° 6 CYL TOP JOINT N° 3 CYL N° 4 CYL N° 6 CYL H.S.R 1.8.34 | ||