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).
Chart showing comparative tests of the efficiency of different radiators.
| Identifier | ExFiles\Box 78\3\ scan0059 | |
| Date | 25th February 1915 guessed | |
| SEE WOH/EH2/L25215. COMPARATIVE TESTS OF EFFICIENCY OF DIFFERENT RADIATORS. 750 REVS: A STANDARD ☐ HONEYCOMB 5" MATRIX B MARSTON O HONEYCOMB 4.8" C MOREUX ◊ " 4.8" D OLD TYPE CORRUGATED TUBES E ☐ HONEYCOMB 4" MATRIX F MARSTON O " 4" G ☐ " 3.5" AT 1500 REVS: A B C D E F G COMPARATIVE TEMPERATURE RISE RADIATOR TESTS. A STANDARD ☐ HONEYCOMB A '' '' ☐ '' '' WITH THE FOUR SHUTTERS OPEN C ☐ HONEYCOMB 3.5" MATRIX G '' '' '' '' WITH FOUR SHUTTERS OPEN SCHEME. 102. TIME IN MINUTES FOR RADIATOR TO INCREASE IN TEMPERATURE FROM 60°C TO 95°C ON DYNAMOMETER AT 750 & 1500 ENGINE R.P.M WITH BONNET & FLOORBOARDS IN POSITION. | ||