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 comparative tests of honeycomb radiators with varying matrix thicknesses, plotting temperature drop against fan speed.
| Identifier | ExFiles\Box 78\3\ scan0060 | |
| Date | 25th February 1915 guessed | |
| SEE WOR{Arthur Wormald - General Works Manager}/EH2/L25215. TESTS ON [] HONEYCOMB RADIATORS. ON FREE RADIATOR WITH STANDARD FAN REVOLVING BEHIND, DRIVEN BY ELECTRIC MOTOR. A | 3.5" MATRIX B | 4" " C | 5" " } DEPTH OF MATRIX. TEMPERATURE TO WHICH WATER AT 80° C DROPS AFTER PASSING THROUGH RADIATOR FROM TOP TO BOTTOM AT RATE OF 2 GALLONS PER MINUTE. DEGREES (CENTIGRADE) COMPARATIVE MATRIX THICKNESS RADIATOR TESTS. FAN SPEED R.P.M. SCHEME 103. | ||