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Old 01-12-2012, 10:38 PM   #16
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Heater Wiring


you know,in actuality,one of the previous posters was on to something. instead of something draining your car battery, you'd be better off doing something like they did several hundred years ago where they'd put a "brick" in the oven for several hours then put the brick under the covers on the bed. the brick retains heat very well. they were "toasty" for lots of hours.
in your case,you could heat up a brick in any suitable manner then put it in your vehicle with a cheap battery powered fan blowing air over it. this would warm up your feet for your 5 mi. drive.
is this a crazy idea or what? the arabs sure got us in a pickle,huh?

tnx,

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Old 01-12-2012, 10:53 PM   #17
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analogmusicman.......I'm an analog music man as well!!!
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Old 01-13-2012, 02:33 PM   #18
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Quote:
Originally Posted by Missouri Bound View Post
analogmusicman.......I'm an analog music man as well!!!
being an "old timer", I think there's nothing quite like a piece of music on an analog medium like "vinyl" BUT people nowadays want things like cd's so I accomodate them. anyway,I digress...

tnx,
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Old 01-13-2012, 08:57 PM   #19
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You know that is an option. I am still going to play with the heater modification for a while, but there maybe something like one of those gel stadium cushions things you but in a microwave and heat up. I do have a fan in the dash that blows air across the windshield. If I put one of these gel units in the nose of the Gizmo, and then turned on my fan, it may work fairly well.
I geuss we will find out.
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Old 01-13-2012, 09:37 PM   #20
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A web search suggests that the standard battery pack for that vehicle is eight T105 batteries. That's 225AH at 48V at 20-hour discharge rate. But the 5-hour rate (still optimistic) is only 185AH, and you can only use about 60% of that without risking damage from over-discharge. So the usable capacity is about 111AH or 5328 watt-hours. That would power a normal plug-in space heater (1200W) for about 4 and a half hours. That's if you're not driving the vehicle at all.

If I were dead set on having electric heat in that thing and didn't want to spend the $250 or so on a 48V heater, I'd probably just use four truck stop heaters in series.
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Old 01-13-2012, 09:46 PM   #21
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Growing up in Illinois 50 years ago we had a pump house behind the house. My dad had a 100 watt light bulb in there in the winter. Kept it unbelievably warm even on the -0 nights.. I don't think the use of a 1200 watt heater is needed for this tiny auto. I think that the pump house probably had more cu. ft. than the auto and less insulation. There have to be some other alternatives. (I do like the brick idea though)
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Old 01-13-2012, 10:16 PM   #22
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Ha ! .....My Dad said they used bricks under the covers to keep their feet

warm back in the 1930's.

The only thing I can think of is heated motorcycle gear that runs off 12v

It won't solve an icy windshield though.
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Old 01-13-2012, 10:30 PM   #23
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mpoulton,
You are right, I am running eight T105 Trojan batteries. I could up grade to a differant battery but the flooded lead acids work very well for my application.
Typically it is safe to discharge to 80% but I seldom do that. That being said, even if I ran a 1200W heater for 20 minutes or so, I should still have plenty left to get me to work and back. What I am shooting for in a heater would be about 500Ws.
I am going to see about replacing the fan motor with a computer fan and see what happens.

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