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 for a Buick oil cooler, detailing oil to water heat transmission.
| Identifier | ExFiles\Box 149a\2\ scan0314 | |
| Date | 4th December 1933 guessed | |
| CHART O/19 B1/2 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" " " " OIL = 197 SQ" DEPTH OF FILM = 3/16" WATER INLET TEMP = 70 °F OIL MEAN TEMP = 170 °F FRONT VIEW. SECTION. SHADED AREA SHOWS OIL PASSAGE OIL FLOW = 20 LBS/MIN. MOBILOIL 'A' USED CURVE ASSESSED AT 30 LBS/MIN OIL FLOW WATER VELOCITY FT./SEC. WATER FLOW. LBS/MIN BTUS / HOUR / 100°F TEMP. DIFF. | ||