fan/vent location question

[nevadatear]

We are at the point of installing spars and blocking on our build, and aren't sure quite where to put the fan. It is an enlonged 10 footer with a significant flat area, so that is not of concern. I don't think I want it blowing in my face, so I know I know I don't want it right over my head, but not sure how far back to put it. Any suggestions? there is a bulklhead in the front so there is only about 6 inches from the front of the door to the bulkhead, thus our head will be in the doorway some. Thanks!

debbie & randy

[Miriam C.]

Good job guys. If I put a fan in I would put it in in front of the spar next to the galley spar. Does that make sense? You want to frame it in but not be the galley spar. If you are doing 12" spars you will need two of them to be the 14+ for the fan.

Now about that flat roof......Be really sure before you put the roofing on that it is flat not indented at all. Truthfully a slight rounding would be better. I have small lake to worry about and you will have seams too. Plan them with water in mind.

[nevadatear]

Thanks! I appreciate your concern about the flat areas of the roof. We know most folks feel an overall curve is more esthetically pleasing, we are content with more flat for the greater headroom and cabinet space. Since it is the side edge of the ply, uncut,it should be without a dip. And the rain issue of course, but we live in Nevada where most of our camping will be, and unfortunatly for us, rain is not a problem! We wil be epoxing the roof, with a layer of fiberglass, and spar varnish on top of that (woody) and it will be stored under a carport.

[Micro469]

Thanks! I appreciate your concern about the flat areas of the roof. We know most folks feel an overall curve is more esthetically pleasing, we are content with more flat for the greater headroom and cabinet space. Since it is the side edge of the ply, uncut,it should be without a dip. And the rain issue of course, but we live in Nevada where most of our camping will be, and unfortunatly for us, rain is not a problem! We wil be epoxing the roof, with a layer of fiberglass, and spar varnish on top of that (woody) and it will be stored under a carport.

Just make sure your spars are straight, or better yet, have a slight upward curve from side to side.....The way the weather has been changing......Nevada could be the next wettest spot on our planet.......

[nevadatear]

good Idea about "peaking" a little, I was thinking that myself. As for the nevada weather, we only seem to be getting dryer!

[Dean in Eureka, CA]

I'd go with it just ahead of the bulkhead cabinets... Like maybe one spar ahead.
Don't know what you're using for spars but mine are 3/4" wide x 1 1/2" tall. I doubled the 3/4" wide area around the opening so all screws would have good anchorage.
I made my opening about 1/4" larger than the vent so I'd have an 1/8" of clearance for the wiring... Remember to leave your wires long in the opening so it's not difficult to make your connections before installation of the vent.
Your build is looking great!!!

[Mauleskinner]

Not directly answering your question, but I'm planning on having my fan be an "exhaust" fan (although it'll be reversible), with air entry coming from low windows in my doors.

Just something to confuse the issue.

David

[Duane King]

My Fantastic brand vent fan is reversible. I can have it expel air out the top of the trailer while gently pulling air in through the sliding windows mounted in the entry doors. My fan is directly above me and it has not been a problem. Of course, I'm not trying to camp in the desert. . .