Teardrops n Tiny Travel Trailers

Posted: **Thu Dec 28, 2017 9:31 am**

I am in the process if planning a micro outdoorsman camper from a $100 4x7 enclosed trailer. Its primary use is for weekend camping/fishing. My roof has zero leaks and is a wrap around aluminum with seams only at the front and back. I was going to put a fantastic fan in the roof but I am wondering why cut into a leak free roof if I don't have to (Why temp the leaks gods). Has anyone mounted a fan on a wall? Any recommended brands? My intention is to cook outside but sleep in it kind of like a TD. However a fan be nice for circulation and to act as exhaust fan if weather is bad and I need to cook inside. All insight is appreciated.

Posted: **Thu Dec 28, 2017 10:20 am**

Do it properly there will be no leaks.

If not, then front or rear mounted better than side

Posted: **Thu Dec 28, 2017 10:31 am**

Do it properly there will be no leaks

One Maxxaire fan and two 14" x 22" skylights installed during my build 3 years ago - no leaks.

Hope this helps.

Posted: **Thu Dec 28, 2017 10:59 am**

I’ve got a pc case fan mounted behind a marine deck plate.

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Posted: **Thu Dec 28, 2017 11:42 am**

Socal Tom wrote:I’ve got a pc case fan mounted behind a marine deck plate.

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Do you still have a roof fan? I like that idea.

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Posted: **Thu Dec 28, 2017 11:42 am**

Socal Tom wrote:I’ve got a pc case fan mounted behind a marine deck plate.

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I think PC case fans would be perfect for a trailer as small as that. They’d be quiet and move enough air especially if there were a pair of them.

Posted: **Thu Dec 28, 2017 11:51 am**

KTM_Guy wrote:
Socal Tom wrote:I’ve got a pc case fan mounted behind a marine deck plate.

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Do you still have a roof fan? I like that idea.

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I have a roof vent, but not a fan. The wall fan does a great job of circulating in fresh air. I added a "filter" on the outside so people can't see in ( my son requested it). it also keeps out bugs and helps keep dust and light out.
Tom

Posted: **Thu Dec 28, 2017 12:56 pm**

I also didn't want to put a fan on my roof, even though it already had a dozen 1/4" holes in it. I used stainless carriage bolts with acorn nuts/fender washers, for metal brackets securing the roof to the walls, in lieu of spars, sealed with PL adhesive, and painted-over with clear acrylic for further protection. But, I had no desire to cut a 14"x 14" hole for a rooftop fan/vent, inviting eventual leaks, so I decided on sidewall vents (with attached fans) for flow-thru venting, and a large under-shelf fan for maximum air circulation.
Having run a shipping/receiving department for many years, I was familiar with vents used on the enclosed trailers of the trucks I loaded/unloaded at work, and that never leaked, as far as I could tell. I liked the look of a particular vent, designed for trailer roofs, but usually mounted on the leading wall of most trailers I saw. I found it at E-trailer, for under $20. It was galvanized (grey-ish color), which was ideal to match my grey color scheme, and the overall rough/industrial theme.

9139 vent.JPG (58.46 KiB) Viewed 3060 times

my vent(s) were galvanized; now they come painted white
It was an easy install, and I put plastic screening between the butterfly closure and the wall, to keep out insects. But, I was not finished with them, yet. I added a swing-away bracket (piano hinge) to mount 120 mm hi-flow computer case fans for added circulation (if I wasn't using the 10-inch 120vac main fan). They are 12vdc, and use .18 amp-hour each, so I can use them for many hours, without much impact on the battery life, if off-grid.
Corsair SP-120 fan specs.jpg (50.59 KiB) Viewed 3060 times

interior fans;120 mm hi-static pressure versions

Posted: **Thu Dec 28, 2017 8:21 pm**

working on it wrote: They are 12vdc, and use .18 amp-hour each

Do you mean they use .18 of an amp while running? .18AH per hour, 4.3AH per 24 hours would mean the same thing, just want to clarify.

Posted: **Thu Dec 28, 2017 10:06 pm**

John61CT wrote:
working on it wrote: They are 12vdc, and use .18 amp-hour each

Do you mean they use .18 of an amp while running? .18AH per hour, 4.3AH per 24 hours would mean the same thing, just want to clarify.

Yep; they're very efficient. I've left them (2) running continuously for a weekend without noticeably sapping my battery., but I usually just leave them off, swung-away from the vents, and using my ac-powered fan, or the air conditioner (closing one vent, and the other just barely open, to allow some outside air in). They just aren't powerful enough for the Texas heat in spring and summer, usually, but are there mainly for cool night usage, if I close my awning windows.

Posted: **Fri Dec 29, 2017 6:17 am**

I found this fan on etrailer. It's a 5 inch 12v, 3.6amp, and moves 315CFM. It's an auxiliary fan for a radiator and it's waterproof and dustproof. Something like this is what I'm leaning towards. It designed to take abuse and keep running.

https://www.etrailer.com/Radiator-Fans/Derale

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Posted: **Fri Dec 29, 2017 7:18 am**

I did mine through the floor!
You can place it any where and duct vent wherever you want it.

Posted: **Fri Dec 29, 2017 8:08 am**

I have also thought about using the floor but whatever I do I need to be able to pull and push air so I can us it for cooling and to vent in the rare cases where I will need to cook inside.

Posted: **Fri Dec 29, 2017 8:10 am**

OCBINVA wrote:I have also thought about using the floor but whatever I do I need to be able to pull and push air so I can us it for cooling and to vent in the rare cases where I will need to cook inside.

A reverse switch on the fan?

Posted: **Fri Dec 29, 2017 8:12 am**

I was thinking I would wire in a reverse and speed control.

Teardrops n Tiny Travel Trailers

Sidewall Fan???

Sidewall Fan???

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