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 variation of cooling with car speed for different depths and types of Marston Mk V radiator matrices.
| Identifier | ExFiles\Box 87\1\ scan0181 | |
| Date | 11th October 1935 | |
| SHEET 4. VARIATION OF COOLING WITH CAR SPEED WITH DIFFERENT DEPTHS OF MARSTON MK V RADIATOR MATRICES FRONTAL AREA OF TEST BLOCK = 2 □' CAR SPEED - M.P.H. HEAT DISSIPATED / MIN / °C DIFF. TEMP. BETWEEN INLET WATER & INLET AIR TEMPS. - B.Th.U'S. 84 MM = 3.31" DEPTH - FINNED 84 MM = 3.31" DEPTH - UNTINNED 65 MM = 2.56" DEPTH - UNTINNED 52 MM = 2.050" DEPTH - UNTINNED TESTS MADE BY MARSTONS ON THEIR RIG. 11/10/35 C.S.S | ||