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 the Hadees Car Heater, Model H.30.
| Identifier | ExFiles\Box 137\1\ scan0203 | |
| Date | 5th December 1936 | |
| HADEES CAR HEATER MODEL H.30 L.632/1 OVAL SEAMED BRASS TUBES IN COPPER GILLS. 45 GILLS 6 3/8" WIDE X 2" DEEP 0.006 THICK HEIGHT BETWEEN TANKS = 6 1/8" 2 ROWS TUBES STAGGERED. N° OF TUBES = 33. TUBE SIZE = 2MM X 19MM. DEEP WHOLE ELEMENT COPPERIZED. 4 BLADED PRESSED FAN 6" DIA. 12 VOLT MOTOR - WEIGHT = 1LB. 4 1/2 OZS TOTAL WEIGHT OF HEATER = 8LBS 11 OZS. " " FITTINGS = 2LBS 1 1/2 OZS. CONSTANT WATER FLOW = 2 GALLS/MIN VOLTS OR WATTS AIR FLOW CU.FT/MIN B.Th.U's./HR/120°F.{Mr Friese} TEMP. DIFFce. AIR IN TO WATER MEAN. WATTS VOLTS DISSIPATION 'LO' ON RHEOSTAT MIDWAY 'HI' ON RHEOSTAT CLAYTON DEWANDRE CO LTD TITANIC WORKS LINCOLN H.K. 5/12/36 | ||