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 > Your search for posts made by 'Snowman9000' found 515 matches.

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  Subject Author Date Posted Forum
RE: Free Kindle RV book

Thanks! I just went and "bought" it (for $0.00)
Snowman9000 10/19/14 08:15pm General RVing Issues
RE: Eco-Worthy 12v solar panels, Now drifting to... mono vs poly

jr, for maximum value start with a cheap PWM controller and nominal 12V (~18V) panels. Make them somehow portable, even if only to lean against your RV. Run these for a year and then figure out what the ideal system would be, and spend your big money and drill holes for that. I wish I'd done this, I'd be $1500 richer right now. My Kyocera 315 panels and my FlexMax 80 are nothing but museum pieces, while my Renogy portables and cheap PWM actually get the job done. If I buy enough Renogy panels to bump the voltage, maybe I can get some use out of the Flexmax. But until then I've basically pineconed myself. Consider: --"Cost per amp" of panel at 12v PWM. Now SUBTRACT the cost savings of PWM vs MPPT. --"Amps per square foot" of panel at 12v PWM. These are "actual amps" vs "potential amp gains" of MPPT, subject to heat loss, light clouds, etc etc etc. Dont spend $500 additional on an MPPT (it really IS MPPT) controller than cannot possibly harvest an extra $500 worth of power over its service life. I'm happy I started with a 100w portable setup. People say there are too many compromises with portables. So yes, they require handling, and maybe a locking cable depending on where you are. But on the plus side, you can often park in the shade while putting the panel in the sun, harvest a lot of watts, with minimal installation hassles, and cheaply. All of those good features are compromised on roof mount panels. :) :) :) Someone who travels around a lot should have roof panels, no doubt. But the typical person who camps someplace for a week or so, with two batteries, LED lights, and commonsense use of energy, can get a lot or maybe all of his needs from 100 to 200 watts on the ground. Now I'm going to add roof panels as the next step. But since I like shade, I expect to have to supplement with the portables when we camp in the summer.
Snowman9000 10/19/14 08:09pm Tech Issues
RE: Unisolar - sale at Solar Blvd

Don Pianotuna once reported that in leafy shade, his Unisolar panels generate 41% of normal. For those on sale now, 41% equals 56 watts for 3348 sq. inches, or 0.017w/sq in. Based on anecdotes I've seen here about crystalline panels in leafy shade, and doing the same math, I'm guessing those generate ~0.01w/sq in. This is purely a wild guess. Hopefully I'll have some hard data at some point. So very very roughly, the Unisolar might be somewhere around twice as productive in shade per square inch or cm.
Snowman9000 10/19/14 03:41pm Tech Issues
RE: Very Inexpensive Battery Maintenance Charger

Someone buy it and let us know. I bought something very similar looking from HF, and it ended up going way up in voltage over time.
Snowman9000 10/19/14 12:24pm Tech Issues
RE: Unisolar - sale at Solar Blvd

How much can the Unisolar provide in those conditions when the mono panels are dormant? I'll take any data or anecdotes I can get.
Snowman9000 10/18/14 07:50am Tech Issues
RE: Unisolar - sale at Solar Blvd

Great price! Using their $200 250w/24v crystalline panel for comparison, the Unisolar only produces 40% of the watts of the crystalline per square inch or centimeter. We know the Unisolar outperforms in cloudy or shady conditions. But to what extent per square inch? I'd love to see data on that.
Snowman9000 10/18/14 06:01am Tech Issues
RE: Wire converter to which side of battery switch?

duplicate
Snowman9000 10/17/14 03:21pm Tech Issues
RE: Wire converter to which side of battery switch?

Begs the question: Is the reason for the switch: A) to disconnect the house in order to not run down the batteries, or B) to disconnect the batteries for safety or some other reason, while connected to shore power. For me, the benefit comes from A. I haven't run into B yet.
Snowman9000 10/17/14 03:15pm Tech Issues
RE: Wire converter to which side of battery switch?

Thanks, it's good to see the different rationales for each way. The way I'm leaning is to put it on the battery side. That way if I plug into shore power I'm sure to get a battery charge. And if nothing works in the house, I'll realize the switch is OFF. OTOH if I connect it to the house side instead, I could plug into shore power but forget to turn the battery switch. My house circuits would work but my batts would not charge. So, the downside of putting it on the battery side is that I could not completely isolate the batteries. I'd have to switch off the converter to accomplish that. I'm trying to think of what happens to make that become an issue. I'm trying to make it idiot-resistant. :) But I have to imagine which consequences of idiocy would be more likely, and which ones worse.
Snowman9000 10/17/14 03:03pm Tech Issues
Wire converter to which side of battery switch?

Simple question; hard to pin down in search mode. For a standalone deck mount converter, would you wire the + output to the battery side of the battery cutoff switch, or to the load/house side? Those are the only two choices! :)
Snowman9000 10/17/14 08:20am Tech Issues
RE: Renogy 100w Bendable Solar Panels!

BTW AM Solar is now happy with the bendy panels and is selling them.
Snowman9000 10/16/14 04:16pm Tech Issues
RE: Eco-Worthy 12v solar panels, Now drifting to... mono vs poly

BFL, thanks. My MH has built in voodoo to handle that, so I'm going to just connect to the house side.
Snowman9000 10/16/14 11:45am Tech Issues
RE: Eco-Worthy 12v solar panels, Now drifting to... mono vs poly

Here's an offer I got accepted last night on ebay. $65 asking price, $58.00 best offer, accepted, for this Morningstar 25A SunSaver Duo PWM controller with remote temp capability. Needs an optional temp wire to do that. Says it is for 2 battery banks, but it will work normally with just 1. I confirmed that with MS. Free shipping to USA. I think it's a very good deal. Solar Blvd: MS Sunsaver Duo on ebay
Snowman9000 10/16/14 09:15am Tech Issues
RE: Eco-Worthy 12v solar panels, Now drifting to... mono vs poly

Hi, Renogy has a better price on Amazon than on Ebay. They do offer a poly panel, too. I just looked, and that is not the case now. Ebay is about $20 cheaper for their 100w panel. Don, you've been a big fan of poly over mono too, I see in the archives. What have you read or seen?
Snowman9000 10/15/14 07:25pm Tech Issues
RE: Eco-Worthy 12v solar panels, Now drifting to... mono vs poly

mdelleman, if you buy that panel, please post what offer price you were able to get accepted. That panel is in my short list for buying, mostly because of the 21" width, which helps me a lot. Jim, I'm wondering if your mono-poly results simply reflect one bad mono panel?
Snowman9000 10/15/14 04:29pm Tech Issues
RE: Eco-Worthy 12v solar panels, Now drifting to... mono vs poly

When I search here, the only Ecoworthy results I get are for their controllers. Does anyone have any experience with their 12v panels?I have never read a problem with any panels ever having issues. Go by the specs and they should be fine. Yeah, when I think about it, no one here ever talks about panel brands except to just say this is the one I have or the one I'm looking at. Not like the debates and problems with controllers, inverters, converters and such.
Snowman9000 10/15/14 10:40am Tech Issues
Eco-Worthy 12v solar panels, Now drifting to... mono vs poly

When I search here, the only Ecoworthy results I get are for their controllers. Does anyone have any experience with their 12v panels?
Snowman9000 10/15/14 06:27am Tech Issues
RE: No #2 Rule?

I'm at a loss for words.
Snowman9000 10/13/14 08:02pm General RVing Issues
RE: Over Priced Used Motorhomes.

When we bought our mid-90s MH about 8 years ago, we found that dealers had much, much better prices than private owners. We took our time, searched all over the country, and ended up doing business with a dealer in OR. So far, so good ... I notice that too.
Snowman9000 10/10/14 07:22pm Class A Motorhomes
RE: Anyone with a Winnebago view "M" floor plan?

We looked at one and thought it was a great floor plan. However then I read up on it at the Yahoo View/Navion discussion group, and a lot of people complained about the air mattress used in the folding bed. It would lose a lot of air during the course of a night. So I recall, anyway. If you don't get any owners to show up here, take a look at the Yahoo group. Yahoo group
Snowman9000 10/09/14 10:48am Class C Motorhomes
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