A/C Window Mount Design for Scamps - Fiberglass RV


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Old 07-06-2014, 03:37 PM   #1
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Name: Dave
Trailer: 2010 Casita 17 Spirit Deluxe
Wisconsin
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A/C Window Mount Design for Scamps

Mike-N-Laurie were great at showing us that you can put a 5000btu window A/C into the back window of a Scamp. I was excited enough to go out and get the same Frigidaire unit. I definitely like the $120 price over the permanent roof mount that wouldn't fit through my garage door. And when it goes bad I can chuck it and get another for 1/7th the price of a roof model. I tested my Honda 2000i generator on it and it worked perfectly, even on high in the slow idle ECO mode once it was running.

Mike's idea to mount it was really good/simple but I was hoping to find a more solid state, universal mount that may hold the A/C a bit better. I also hoped to make it last for many, many years, like these FGlass campers we all have on this site. Something that could be used over and over and easy to install in minutes.

Well anyway, I finished my prototype this morning. It took a lot of measurements and designing to make it fit perfectly so I made the prototype out of plywood. I found a source for some black plastic (hi density polyethylene) that I plan on making the finished one out of. I designed it to come apart with screws but most likely wing nuts for ease of use. It is made to have a plate on each side and the outside will be permanently attached to the frame. So it is made to sandwich both sides of the window for a nice snug fit. Once the A/C was in it fit so well that there is no need for extra support and it does not stress or damage the window frame. It is designed not to be transported in the window though.

I haven't purchased the plastic yet and it's far cheaper to order a 4' x 8' sheet which is enough for 4 of these. So if anyone is interested in having one made up for your A/C rather than making your own let me know as I am going to initially make 4. I would gladly buy one myself as designing was a pain so I might as well have a few on hand in case others have interest. Not sure of the cost yet to make one but should have a price once they are done in the next few weeks. I might warn that the plastic is pricey but will last forever and won't need paint. I also want to find some good weatherstripping to keep the rain and bugs out. Once the final design is done I will put more pics up. Please use your imagination with the color black for now. I would rather show the finished result but was too excited to use the A/C and show it right away to everyone. I got air!!!!

Interested parties can PM me.
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Old 07-06-2014, 04:03 PM   #2
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Trailer: 2010 Casita 17 Spirit Deluxe
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A couple more pics to show the detail of the frame.
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Old 07-06-2014, 09:35 PM   #3
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I really like the simplicity of the design! Did you try it yet? Does the air circulate well enough so you don't get frozen when you lie under it, how is the noise vibration?
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Old 07-06-2014, 10:21 PM   #4
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Name: Mike
Trailer: Scamp 13'
Florida
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I really like the way you trimmed it in, very nice. I used mine all weekend and I spent a lot of time inside as we got a lot of rain. With the sun hitting the camper hard it still stayed at 70 degrees on low. While your sleeping the a/c doesn't blow directly on you but bring a blanket as it gets cold. With the pipe wrapping the window frame you do get a little water dripping in onto the table but a small towel took care of that.
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Old 07-06-2014, 10:33 PM   #5
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Name: Mike
Trailer: Scamp 13'
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Vtec, Put me down for one if it's not to pricey. Look at "Starboard"
it's a marine white plastic board that cuts like plywood. When you
take the a/c out turn it on its side to drain the water out. PM me
when you have a cost. Would also like to see the finished frame.
But still put me down for one... Thanks, Mike
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Old 07-06-2014, 11:07 PM   #6
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Name: Mike
Trailer: Scamp 13'
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Dave when your running the a/c on the Honda Generator the manual says once you stop the compressor let it sit for 3 minutes before restarting. I noticed it uses less start up on the gen, it just burps when it starts if you let it sit before restarting...
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Old 07-07-2014, 05:58 AM   #7
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I believe you can remove the wings on the inside for a better look.
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Old 07-07-2014, 06:25 AM   #8
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Yes cpaharley, there is no need for the wings. I only put them on there to see exactly where to place weather stripping or a stop bracket around the A/C. I designed it to slide right in and place itself with no adjusting. Just put the outside/frame part through the window, place it (it rests on the frame with little play between the sides), and then fasten the inside plate. The fit is pretty snug with little play so it is brainless. The outside plate seals all the way around the outside window contour and I would put a thin weather strip around that flange. A thicker weather strip would be needed to meet the right window post. You then need to weather strip the A/C around the inside for a tight seal.

As far as the A/C noise I was very surprised how quiet this model is. It makes a hum but it's not bad at all compared to what I remember of window units years ago. And it surely will keep up well to the Scamp 16 size in most if not all conditions.
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Old 07-07-2014, 07:24 AM   #9
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Agreed, the newer a/c models are light years ahead of the older original units, both in efficiency and quietness, similar to televisions, newer is better.
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Old 07-07-2014, 09:30 PM   #10
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Trailer: 2016 Scamp 13 Deluxe Birch w/front dinette
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There are always stand up AC units

You can always try a stand up unit.

EdgeStar Extreme Cool 12,000 BTU Portable Air Conditioner - AP12000S
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Old 07-07-2014, 10:42 PM   #11
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, c


Sent from my iPad using Fiberglass RV
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Old 07-06-2017, 11:32 AM   #12
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Name: Dave
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My new updated version with the HDPE black plastic. I want to get rid of the materials as I no longer have the Scamp and am cleaning out the garage. Am making 10 total for anyone interested. And here is the other link
Free Scamp Stuff
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Old 07-25-2017, 04:26 PM   #13
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Name: Bill
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Seems like a great idea for newer model campers without Jalousie windows. Wonder if anyone has something similar that fits the escape window on a Trillium?
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Old 07-26-2017, 08:40 AM   #14
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Name: Roger
Trailer: Scamp
Colorado
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Quote:
Originally Posted by Vtec View Post
My new updated version with the HDPE black plastic. I want to get rid of the materials as I no longer have the Scamp and am cleaning out the garage. Am making 10 total for anyone interested. And here is the other link
Free Scamp Stuff
Dave, in one of your pictures from 2014 you show a generator (Honda?) attached to your Scamp. Which model? Did it run your window a/c alright? We are headed to a dry camping weekend for the solar eclipse and will need a/c. Looking at generator options.
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