Fantastic Fan Air Flow - Fiberglass RV

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Old 08-02-2007, 03:22 PM   #1
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Trailer: 1970 Boler
Posts: 374
Called Fantastic Fan regarding the use of and:

Daytime: they suggested cracking one window on the shade side 3" and set the fan to blow outwards.

Night: Reversing the fan and having it blow cool air in.

I did some testing of my own with a thermometer as I really was not happy with the fan dropping the temperature. It took a few hours but got it set up the best for the 13 foot trailer...

In the heat of the day blowing inwards did little.

Reversing was also not very effective until I played with the windows.

For Best results and drop in temperature:

I found that the air flow was best and temperature dropped the most when the 2 side windows remained closed entirely. Then I cracked my door window open as much as I could (about 3-4"). The flow of air was drawn in through this window and out the fan creating the most movement of air. I believe this would also be effective using the window above the stove but I do not have one. You can actually hear the fan speed change by changing the pressure in the trailer with the windows opening and closing.

By using the door window instead of the side windows (by the table/bed) I was able to drop the temperature by an additional 3-4 degrees.

This was all done on setting "2"

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Old 08-05-2007, 07:22 PM   #2
Brenda Novakovski's Avatar
Trailer: 1987 Bigfoot 20 ft 5th Wheel and 1995 Bigfoot 2500 Shortbox Truck Camper and 1972 Compact Jr ('CJ') and 1974 Boler ('BB')
Posts: 82
Thanks for this info Kurt,

I recently purchased one of these fans with the thermostat control and I have added your findings to the pages of info I keep.

With only our Bigfoot, Compact Junior, one Trillium and one Boler remaining in our fleet, my idea was to install it in the Boler as I think that egg is going to get the warmest.

Thanks again for posting this, it will save a lot of guess work when it comes to cooling the little guy down.

Brenda Novakovski
Saskatoon, SK

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Old 08-07-2007, 09:36 PM   #3
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Trailer: 1970 Boler
Posts: 374
no problem, went out camping with it this weekend and it worked great. I had it running over the course of 3 days and no problems with battery loss either.
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Old 08-11-2007, 05:36 PM   #4
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Trailer: Scamp
Posts: 3,072
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I have my fantastical fan mounted towards the front of my Scamp 13', about even with the door.

When cooking, I set it blow out and open the small window I have over the range to suck out cooking mess. When I want to keep it cool at night, I close all the windows except the slider in back, which brings a good volume of cool outside air in and moves it across me (I have a raised bunk across the back at almost window level.

The only improvement I would likely make is to install some kind of remote switching to turn it off when I was ready to quit reading and go to sleep.
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