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).
Blueprint chart and data detailing oil to water heat transmission for a Buick honeycomb film oil cooler.
| Identifier | ExFiles\Box 149a\2\ scan0313 | |
| Date | 1st March 1930 | |
| CHART O/19 B 1/1 BUICK OIL COOLER OIL TO WATER HEAT TRANSMISSION HONEYCOMB FILM FRONTAL AREA TO WATER FLOW = 8.27 SQ" NO. OF TUBE COMBS = 116 COOLING SURFACE TO WATER = 225 SQ" COOLING SURFACE TO OIL = 197 SQ" DEPTH OF FILM = 3 1/4" WATER INLET TEMP = 70°F OIL MEAN TEMP = 170°F WATER FLOW = 150 LBS/MIN WATER FLOW = 1.26 FT/SECOND MOBILOIL 'A' USED FRONT VIEW SECTION SHADED AREA SHOWS OIL PASSAGE Graph Details: Y-Axis: B.T.U'S/HOUR/100°F TEMP. DIFF. X-Axis: OIL FLOW LBS/MIN X-Axis Scale: 10, 20, 30, 40 Y-Axis Scale: 10,000, 20,000, 30,000 Annotation: OIL FLOW CURVE ASSESSED AT 30 LBS/MIN WATER FLOW Handwritten: EWB 1/3/30 | ||