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Old 07-18-2012, 09:43 AM   #1
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Fan tastic fan current?

does a fantastic fan pull much current? If running a small fan on inverter and fantastic fan overnight would one expect to much current draw to crank gen the next morning?
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Old 07-18-2012, 10:28 AM   #2
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It all depends on how many amp hours your battery system has, or easier put, how many batteries do you have and their age , condition, etc. There is a formula to figure all of that out and its just takes a little research and some basic math. Basically you battery system works like a bank you can't withdraw more than you have deposited.
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Old 07-18-2012, 11:12 AM   #3
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Originally Posted by TdogKing View Post
It all depends on how many amp hours your battery system has, or easier put, how many batteries do you have and their age , condition, etc. There is a formula to figure all of that out and its just takes a little research and some basic math. Basically you battery system works like a bank you can't withdraw more than you have deposited.
X2, fantastic fan's draw is very low, I've spent 4 days booning on a single 12v batt equiped 5th, with the fan running 24/7 and not had the batt power drop to the point of loosing fridge control power . If your batt bank is going down that fast it's time to test all the batteries and charging system.
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Old 07-18-2012, 11:48 AM   #4
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buck454.....I'm guessing from your signature that your coach is running at least four 6 volt batteries. You should be able to run a couple of nights with those. I have four 6 volt batteries and I can watch TV with sat receiver running for 4-5 hours and then run the Fantastic Fan on high for another eight hours and have no issues.

I'm sure you know, but have you tried using the Fantastic Fan as a whole house fan. Open only a single window or two small windows where you're sleeping and close all the others in the coach. Turn the Fantastic Fan on high and it will draw air through the room with the open windows. We do this alot when boondocking.
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Old 07-18-2012, 04:32 PM   #5
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fan

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Originally Posted by Diplomat Don View Post
buck454.....I'm guessing from your signature that your coach is running at least four 6 volt batteries. You should be able to run a couple of nights with those. I have four 6 volt batteries and I can watch TV with sat receiver running for 4-5 hours and then run the Fantastic Fan on high for another eight hours and have no issues.

I'm sure you know, but have you tried using the Fantastic Fan as a whole house fan. Open only a single window or two small windows where you're sleeping and close all the others in the coach. Turn the Fantastic Fan on high and it will draw air through the room with the open windows. We do this alot when boondocking.
Don,
You bet, F fan is a really nice way to move air much like the attic fan we had in our home when I was small. I had a FFan in bedroom and living room in my fifth wheel so one could push and the other pull. The small fan is mostly just to please the DW who seems to like such. (and I aim to please. ha)

Yep, got four 6 V bats. I am still on much of a learning spree as to just how much one can run on inverter when under a generator curfew at night.

I learned recently when my generator would not start on a couple of mornings that the batteries being only slightly low of water seems to make a difference.

If you run inverter to you make sure your refrig is on gas?

Thanks.
Bill
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Old 07-18-2012, 08:40 PM   #6
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I think the fan will draw 2 to 3 amps running at high speed depending on which fan you have. Their top of the line fan with remote control and 14 speeds has the lowest draw. That said, you can assume that running the fan for 8 hours, you would pull 24 amp-hours out of your battery. With 4 6-volt batteries you can probably pull about 200 or slightly more amp-hours out of the battery bank before needing to recharge.

You'll have to look at your inverter book to see what the draw of the inverter is when it is supplying power. Then add the current draw of your other small fan.

My inverter does not run my refrigerator. The frig only switches to electricity if I'm on shore power or generator otherwise it runs on propane. Of course, the frig does have 12 volt power to it when it is operating for the control board.
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Old 07-18-2012, 09:55 PM   #7
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I have no inverter and only 2 GC batts. Enerything in my coach is 12v including 2 LED TVs. We go 3 days with everything and running a fantastic fan 8 hrs @ day.
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