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Old 04-09-2022, 11:28 PM   #1
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36 wide solar panels where are they?

It seems to me that panels 34-36 wide is perfect for most roofs. I am having trouble fitting the popular widths of 39-41. I can but they will stick out over edge a couple inches and I am worried about wind gusts going vertical after hitting side of trailer. Overthinking it?
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Old 04-10-2022, 11:56 AM   #2
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Quote:
Originally Posted by rockwind View Post
It seems to me that panels 34-36 wide is perfect for most roofs. I am having trouble fitting the popular widths of 39-41. I can but they will stick out over edge a couple inches and I am worried about wind gusts going vertical after hitting side of trailer. Overthinking it?
Three years ago I installed Grape solar panels that I purchased from Home Depot. They were 180W & 26.5" wide. Wider panels would not have fit. Looks like Grape has discontinued that panel & replaced it with this one:

https://grapesolar.com/product/gs-star-200w/

Width is 28.2" & is 200W.
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Old 04-11-2022, 06:36 PM   #3
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Quote:
Originally Posted by rockwind View Post
It seems to me that panels 34-36 wide is perfect for most roofs. I am having trouble fitting the popular widths of 39-41. I can but they will stick out over edge a couple inches and I am worried about wind gusts going vertical after hitting side of trailer. Overthinking it?
Many people use 200W panels that are ~57X27 and have been one of the most popular set-ups. I used them originally and was able to install 1600W with room for 400W more if I needed it.

3 years later I have learned a bunch and if I was doing it from scratch I'd be doing it with 375-400W 60 cell residential panels that are approx 69X39 (Rec-Alpha) and building a rack that went right over the top of the AC units.... Here are some examples of a 200W install and a 3800W install in almost the same footprint.
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Old 04-11-2022, 06:45 PM   #4
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The problem on the east coast is the shipping on larger than 200 watt panels is almost not affordable. I can buy 200 watt panels on eBay and Amazon with free shipping, but I'm told that anything larger requires truck freight.
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Old 04-11-2022, 07:28 PM   #5
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High-tech, Rich Solar, and Newpowa make popular for RV usage panels in the 200w range. Bougerv has 9 bar 200w panels.

All in the ~27"x60" range.

https://www.continuousresources.com/...d-hardware#nav
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Old 04-11-2022, 10:35 PM   #6
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Many people use 200W panels that are ~57X27 and have been one of the most popular set-ups. I used them originally and was able to install 1600W with room for 400W more if I needed it.

3 years later I have learned a bunch and if I was doing it from scratch I'd be doing it with 375-400W 60 cell residential panels that are approx 69X39 (Rec-Alpha) and building a rack that went right over the top of the AC units.... Here are some examples of a 200W install and a 3800W install in almost the same footprint.
sent you an email if you could respond. thanks,
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