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Tractor Talk Discussion Forum

Thermostat use?

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Jordan

09-24-2003 04:24:40




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Guys:

I'm confused whether to put a thermostat in my radiator hose for my 9N restoration. What exactly does it do?

Thoughts appreciated,

J




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Ron

09-24-2003 08:05:57




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 Re: Thermostat use? in reply to Jordan, 09-24-2003 04:24:40  
The thermostat makes the engine operate at a desireable temp, to keep sludge deposites from forming in the engine, AND to greatly reduce WEAR...!!! Combustion is improved at higher temps, too... The main reason--for me-- is Reduced wear.. Look at the front cylinder of an old in-line 4 or six cylinder and you will see that the front cylinder ALWAYS wears toward the Front---that is the side of the cylinder that the Cold water is entering...!!

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Jordan

09-24-2003 09:13:25




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 Re: Re: Thermostat use? in reply to Ron, 09-24-2003 08:05:57  
But Ron,
How does it regulate temperature? I don't get it

J



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paul

09-24-2003 09:23:40




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 Re: Re: Re: Thermostat use? in reply to Jordan, 09-24-2003 09:13:25  
It is a valve, attached to a spring made of 2 different types of metal. At a specific temp, the 2 different metals will move (it's a physics thing, one metal expands more than the other with temp change...), opening or closing the valve. This changes the amount of water flowing through the radiator, and holds a constant water temp.

--->Paul



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Indydirtfarmer

09-24-2003 09:23:03




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 Re: Re: Re: Thermostat use? in reply to Jordan, 09-24-2003 09:13:25  
The engine supplies the heat. The radiator allows the heat, with the aid of a fan, to expell the heat into the atmosphere. The thermostat regulates water flow from the engine, to the radiator, by a temperature sensitive spring, that opens a flap, to allow the heated water into the radiator. The water pump moves the water. If you remove the thermostat, you allow the water to circulate, without spending enough time in the radiator, to cool down. Often times removing the t-stat will cause an engine to over-heat. The t-stat will also leave the water in the engine long enough to get the engine up to operating temperature, then begin to open, to keep it at the recommended temp. Most t-stats are in the 160 to 210 degree operating range. To make a long story short, it is a valve, of sorts, to control the flow of water through the engine and radiator. Hope this helps. I've just confused myself! John

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Jordan

09-24-2003 10:31:32




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 Re: Re: Re: Re: Thermostat use? in reply to Indydirtfarmer, 09-24-2003 09:23:03  
Wow, great explanation--I think I get it. So it obviously is very important because it regulates flow...thanx

J



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