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Old 10-19-2015, 04:33 PM   #101
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Originally Posted by Jman6631 View Post
Great looking project, man!

What kind of paint did you use on the interior? Rust-Oleum? I read back a few pages but didn't find it listed.
It was Stop-Rust, the generic ACE Hardware Rustoleum.

Satin black, not that it really matters since it will all be covered. If I think of it, I'll take a picture of one of the cans.
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Old 10-19-2015, 04:39 PM   #102
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Nice looking stuff man, we should meet up! I live in a bus yard in Denver and Im in Boulder all the time.

I did wonder why you mounted your middle panels angled? I would think that not having them at least all flat means that theres always going to be half of one of those two that is underperforming/and/overperforming the other one. This will cause efficiency issues with your charge controller, depending on how you wire the panels and what kind of technology your charge controller uses. As is, your setup might require MPPT technology (I recommend MPPT for anything over a few hundred watts anyway) Id recommend going with the same pitch on all the panels--you want to try and keep the panels performing equally.
cheers buddy! I got a beard too
Sounds good, let me know if you're ever up this way.

The view of the angle makes it look a little extreme. Really they might be 5 -10deg one way or another.

Since I plan on parking it with the tail end south, they should all see the same amount of sun with only the bottom 1 or 2 rows of cells in a deficit or surplus of sunlight.

Really, I did them that way for space reasons since I'll probably add more in the future, but I'll be interested to see how they perform.

Also, I do have an MPPT controller so no worries there. Also, I've already drilled the holes, so unless it's really bad I'll probably leave them like it is.

Unless, is there a potential for damage? I wouldn't think so, but I am certainly no expert.

PM me your number, I'll shoot you a text.
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Old 10-19-2015, 04:41 PM   #103
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Making great progress! Just turned the key on my solar for the first time yesterday, so the Neb didn't blow up
I'm no electrician, so I'm definitely nervous about this...I've got an electrician buddy who I'm going to have take a look at it before I power it up for the first time.
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Old 10-19-2015, 05:20 PM   #104
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It was Stop-Rust, the generic ACE Hardware Rustoleum.

Satin black, not that it really matters since it will all be covered. If I think of it, I'll take a picture of one of the cans.

No pics necessary my man but thanks for the offer!
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Old 10-19-2015, 07:54 PM   #105
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What are the solar components that you're putting together?
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Old 10-19-2015, 10:36 PM   #106
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Right on dude, my number is 3039311904 hit me up!

There's no risk of damage at all with your setup. It's just a matter of trying to eek out every last bit of power from your system! I feel like I can hardly talk since I just mounted all mine flat. Those fancy sun-tracking systems can really add hours of power, but im never going to be able to put one on my bus! What charge controller are you going with? Ive seen some low prices on smaller mppt controllers that is pretty exciting. I did a Midnite Classic 150 and really like it, and it gives me the headroom to have up to 1800 watts if I need, though Im at 1200 and it seems good so far. We'll see how the winter goes.
Rock on!
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Old 10-19-2015, 10:41 PM   #107
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Also, and speaking from personal experience, make sure your friend knows about the specifics of RV and solar electric systems and not just household stuff.

Like you, I asked a friend, who is a great electrician when he works on houses, to come over and check my setup. His knowledge of DC and Solar and RV electric was limited and had I not done some research beforehand on my own, would have been left with a couple of potentially dangerous neutral bonding, DC breaker, and ground issues after his work.

I do all my own electrical now Caveat Emptor
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Old 10-20-2015, 02:00 AM   #108
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Quote:
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What are the solar components that you're putting together?
The MPPT Charge controller and the panels are from "WindyNation".

The Converter is made by Cobra and the batteries are Trojan T-105+ 6v.

I can't remember all the ratings off the top of my head but, I think you get my drift.

I also bought a 6 bay fuse box that I'll be filling with 15a fuses here soon and mounting with all the rest of the components. And, I've been collecting used 12-3 extension cords that I'll be using for wiring.
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Old 10-20-2015, 02:04 AM   #109
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Quote:
Originally Posted by charles_m View Post
Also, and speaking from personal experience, make sure your friend knows about the specifics of RV and solar electric systems and not just household stuff.

Like you, I asked a friend, who is a great electrician when he works on houses, to come over and check my setup. His knowledge of DC and Solar and RV electric was limited and had I not done some research beforehand on my own, would have been left with a couple of potentially dangerous neutral bonding, DC breaker, and ground issues after his work.

I do all my own electrical now Caveat Emptor
I'll keep that in mind. He's the big wig for the town L&P here...I think we're both on the same page with solar knowledge (not much), but he's receptive to new ideas and learning. I think he'll be more of a help after i get the wiring past the converter and into the fuse panel...I think I've got it to there no problem.

I'll shoot you a text in a few days. May be down by DIA on Wednesday.
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Old 10-21-2015, 10:33 PM   #110
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And, I've been collecting used 12-3 extension cords that I'll be using for wiring.
You're doing high-quality thorough work on everything else; I'm surprised that you would wire with extension cords.

That's a picture of what I found in my attic this summer when the evaporative cooler started acting up. Somebody had wired it with a piece of NM cable ("Romex") plus two single conductors. They feel like primary wire. The gauge was fine; it was the wrong insulation for the job. There was a cable clamp at this location where the wires passed from the attic into the duct to continue up to the cooler. Over the years the vibration, heat, and clamping force squeezed the insulation until finally the conductor touched the cable clamp, and as you can see things carbonized and went downhill quickly from there. It finally started acting up when the copper from the red wire finished melting away. Fortunately it was a few feet above the attic insulation and no fire resulted.

Lots of people here and elsewhere wire stuff with extension cords, but I just wanted to take a moment to say it's the wrong wire (wrong insulation) for the job. I don't know how many years it took for the wire above to finally break down -- thousands of hours of run time on the cooler over the 3 summers I've been here, at least. But why build a time bomb? A 250 foot roll of NM cable is only $53 today, and strands of THHN/THWN in a conduit wouldn't be much more. Those have tougher insulation and are a better fit for the job.
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