62f30d2f   
   From: default@defaulter.net   
      
   On Mon, 14 Jan 2008 03:34:40 -0800 (PST), hdjim69   
    wrote:   
      
   >Hello, I have a 12v dc space heater that I use in my truck when I go   
   >on trips. I only use it during the night (average about 6 hrs per 24   
   >hr period). The heater is 300w.  I have it hooked up to a separate   
   >sealed12v car battery which means it's drawing 25 amps!   This sucks   
   >the battery dead in no time and it's very hard to find a place to   
   >recharge the battery all the time.  Does anyone know of a super high   
   >capacity 12v battery that would be better suited for such current   
   >demands?  Or a better solution?  Motels are out of the question.   
   >   
   >Thx   
   >J   
   Better idea - adapt a Aladdin kerosene mantle lamp as a heater?  I did   
   that a long time ago as a greenhouse heater - just to keep plants from   
   freezing at night.  I only used the "gallery" and wick with a 3 foot   
   piece of 1-1/2" thin wall conduit as a chimney.  Only cost was a new   
   wick once a season - I didn't use the mantle the flame burns blue and   
   it doesn't need venting - produces CO2.   
      
   More efficient than burning fuel to make heat to make electricity to   
   make heat - smaller, lighter and cheaper than a battery.  One Aladdin   
   lamp puts out up to 2,000 BTU's (and the equivalent of 75 watts of   
   light)   
      
   300 watts is about 1,000 BTU.  A quart of oil is good for more than 6   
   hours at the highest setting.   
   --   
      
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