Re: Farmall Radiator Shutters

Posted by walt f on November 01, 2001 at 00:20:13 from (24.159.67.50):

In Reply to: Farmall Radiator Shutters posted by Bjorn on October 31, 2001 at 22:53:25:

early farm tractors used low grade fuels like kerosene. in the 20's or 30's a gallon of kero was .5 a gallon gasoline was .15 a gal. you couldn't get as much h.p. out of a gal. of kero as you could from a gal. of gas but in the long run you could plow an acre of ground cheaper with kero than gas,therefore it was cheaper to farm with kerosene. whats the connection with the shutters? in order to burn kero, the engine had to be hot, the manifold had to be hot too. the kero would not vaporise unless it was heated, would not stay vaporised,unless it passed thru a hot manifold to a hot cylinder. in the hot cylinder it would sometimes preignite (ping). that was fixed with water injection. early john deere "d"had water inject. the heat control was not automatic. the operator had to keep a close eye on the engine to keep it from overheating (open up the shutters when the radiator started to boil over, then close them before the engine cooled down to much) if the engine quit and cooled down with kero in the carbureator, the kero had to be dumped and the carb had to be filled with gas before the engine would start. thats why the old tractors had two tanks. a big one for fuel (kero) and a small one for gas.

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