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Antique Engine Archives All archived posts from 1999 to 2004 when SmokStak was on EnginAds. This is a read-only board.

Antique Engine Archives

Thermosyphon Cooling Tank


this thread has 36 replies and has been viewed 20961 times

 
 
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  #1  
Old 04-02-2003, 09:27:26 PM
Terry Otto
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Default Thermosyphon Cooling Tank

Is 38 inches too much of a rise from the top of the cylinder to a screened cooling tank? This is on a 17HP Rusten.(slow running non working engine.) I tried a belted pump but the engine would not warm up. Are there any web sites on thermosyphon cooling?

Thank you Terry
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  #2  
Old 04-02-2003, 11:14:54 PM
Bill Klein,Pa
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Default Re: Thermosyphon

For thermosyphon to function the top pipe must be below the water level to make a complete loop. A screen cooled tank won't allow thermosyphoning. Could U install a valve before the pump to throttle the flow? Bill Klein
  #3  
Old 04-02-2003, 11:31:04 PM
Terry Otto
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Default Re: Thermosyphon

I have the bottom of the tank higher than the water level in the block of the engine. Where the water comes out of the engine it has to go up about 38in. to the screen. I'm using a screened tank off of a IH Famous engine.

Thanks Terry
  #4  
Old 04-03-2003, 08:41:02 AM
Ralph Leonard
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Default Re: Thermosyphon

Hi Terry, Read Bill Klein's responce again.

The water must have a closed circuit in order to circulate, Cheers, Ralph in NC
  #5  
Old 04-03-2003, 12:21:59 PM
Bob Fultz
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Default Re: Thermosyphon

This may be what you are looking for. Go to the Gallery and scroll down to #471 and check out his setup. And yes you can use a screen.
  #6  
Old 04-03-2003, 12:30:34 PM
laura and brady
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Default Re: Thermosyphon

At the risk of sounding stupid, aren't some screen cooled IHC (Moguls) "thermosyphons" yet have a screen tank? The water barely trickels out if you run them slow; but until the engine is pretty warm nothing comes out!
  #7  
Old 04-03-2003, 01:24:23 PM
Norm S
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Default Re: Thermosyphon

Hey Laura,

Well, a thermosyphon cant be screen cooled because to have a screen cooler you need a pump to pump the water up to the screen. A thermosyphon is a closed system, that is the water cooling tank must allow water to be above the level of the pipe coming from the engine, or the engine cylinder, whichever is higher.

See ya on chat tonite!

Norm
  #8  
Old 04-03-2003, 01:39:26 PM
Norm S
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Default Re: Thermosyphon

Terry,

You can use any kind of tank for your cooling system. If you use a pump you can certainly use a screen cooler. If you do not use a pump you have a thermosyphon system and the water will circulate by convection as it gets warm. If you want a screencooler you must use a pump, thermosyphon cannot "pump" water up to a screen.

You mentioned that you used a pump and your engine did not get warm. Remember that you were circulating water from your cooling tank and that the engine would have to heat up all that water. I had a 15HP Reid and it would run for about 4-5 hours before it would heat all of the 40 gallons in my tank - give it time!

Norm
  #9  
Old 04-03-2003, 01:47:26 PM
Ken Majeski
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Default Re: Thermosyphon

Well, some of the smaller Moguls are in fact screen cooled without a pump. Untill yhe engine reaches 212 degrees nothing happens but when the water starts to boil it burbles up the pipe and runs down the screen. This makes for quick warm up and keeps the engine at a good temperature for burning Kerosene The only big downfall is there is no Hopper to put the bratwursts in to cook them...
  #10  
Old 04-03-2003, 02:01:00 PM
Ken Majeski
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Default Re: Thermosyphon

Notice the screen tank is mounted high so the cylinder is filled with water all the time. Can you see any pump on this one ???? Picture stolen from Harry's Gallery... Credit goes to Patrick Livingstone.




 


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