Performance graph and specifications for a Tropic-Aire Duplex Model car heater.
| Identifier | ExFiles\Box 137\1\ scan0205 | |
| Date | 3rd December 1936 | |
| TROPIC-AIRE CAR HEATER DUPLEX MODEL DOUBLE ENDED MOTOR WITH 2 FANS 4 1/2" DIA. SUPPLYING AIR TO 2 ELEMENTS. ELEMENT 4 5/8" HIGH, 5" WIDE, 2 2/3" DEEP. WGT 2 5/8 LBS EACH. TOTAL HEATER 11 3/4 LBS + 1 3/4 LBS FITTINGS. ELEMENT OF 40 GILLS OF CU. ABOUT .005" THICK WITH SLIGHT FRONT CORRUGATION. THREADED WITH 3 ROWS NON STAGGERED CU. OVAL SEAMED TUBES. 16 TUBES PER ROW, TINNED CU. 2MM X 13 MM. CONSTANT WATER FLOW 1.97 GALLS/MIN. VOLTS OR WATTS AIR FLOW CU. FT / MIN. B.TH.U'S / HR / 120°F TEMP. DIFFCE AIR IN TO WATER MEAN WATTS VOLTS DISSIPATION LOWEST CONTROL ON RHEOSTAT MIDWAY 9.75V FULLY "ON" RHEOSTAT 12 V CLAYTON DEWANDRE CO LTD TITANIC WORKS LINCOLN EWS | ||
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).