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 graph and specifications for a Serck radiator matrix.
| Identifier | ExFiles\Box 150\2\ scan0064 | |
| Date | 28th June 1938 | |
| SERCK RADIATOR MATRIX Nº 0820 FOR MESSRS. ROLLS-ROYCE LTD L.685 B2. FORMATION - 4 ROW STAGGERED. OVAL SEAMED BRASS TUBES IN SHEET COPPER GILLS - BOTH TINNED - TUBES 17/32 x .11" {AIR INLET 60°F} GILLS 108 PER FT. TUBES 5/8" PITCH. BLOCK 21" x 18 1/16" {WATER MEAN 160°F} DEPTH OF BLOCK 2 7/32 FRONTAL AREA - 2.725 sq ft CONSTANT AIR FLOW 2930 CUBIC FT./MIN LEFT Y-AXIS: WATER PRESSURE DROP LBS/SQ IN ACROSS RADIATOR (INLET AND OUTLET PIPES.) (INCLUDING HEADERS) RIGHT Y-AXIS: H.P. DISSIPATED AT 100°F TEMP. DIFF. AIR IN TO WATER MEAN. X-AXIS: WATER FLOW GALLONS/MIN GRAPH CURVE 1: H.P. V. {VIENNA} WATER FLOW GRAPH CURVE 2: WATER PRESSURE DROP SKETCH SHOWING TUBE FORMATION W.C.B 28.6.38. | ||