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 > Your search for posts made by 'pianotuna' found 1779 matches.

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RE: Solar Sanity check (SSC?)

prepilot, Here is a link to a page where you can download a spread sheet that has lots of flexibility. https://freecampsites.net/adding-solar-part-four/ BTW you link take a person to a "locked" sheet. Fellow drivers of the Fonzie-Class RV, This is a google sheet, but you shouldn't need a google account to use it. The fields highlighted in GREEN can be changed to effect the results. Feel free to change those fields and see how it changes stuff. What I'm looking for: I need a quick sanity check on the math there, and the results. There are enough "Black boxes" inline there that I'm not sure what effect they have on the math (charge controllers, inverters, etc). What I'm hoping to determine: I hope to determine, if in full, 8+ hours, of sun (I camp 99% of the time in the desert southwest of the US) how many panels do I need to run my residential fridge (1-3amps on the AC side) and still have enough juice to charge my batteries up from say...50% so when the sun goes down, I have full batteries to start with. My conditions: My RV is new to me, and came with brand new 6V batteries, arranged in a standard series/parallel setup to deliver 440A/Hrs. When these die, I'll swap them with something better, probably lithium but that's a few years out, so for now I'm dealing with what I have. During the day, I need my panels to charge my batteries and run my fridge. At night, I'll turn off my fridge (by turning off my inverter) and just use the batteries for lights, water pump, phone/laptop charging and other somewhat minimal loads. I don't expect a ton of drain overnight, but I figure I'm probably under estimating there a bit. So, I expect to have mostly dead batteries by morning. I'll also be doing the initial cool down of the fridge on the generator while I'm driving. So when on the battery/solar is should be just maintaining temp, not cooling it down from ambient air temp. So... what do you all think? Did't the 80's hair band Slaughter write a song about this? "Drain all night, charge all day!" I think those were the words anyway. :) Thanks! Brian
pianotuna 02/22/19 12:53pm Class A Motorhomes
RE: Wiring solar panels in series with three panels

Vintage465, I was working with the numbers you posted. BFL13 has been helpful to many folks here and most of us only want to help folks out. Remember, the printed word doesn't allow for inflections--so please do listen calmly. How did you decide on 450 watts of panels? Will the install be fixed or do you wish to tilt (I'm firmly the fixed camp).
pianotuna 02/22/19 08:27am Tech Issues
RE: Run Solar Circuit and Shore Power at the same time?

You would have to have permission to sell power back to reduce the bill.
pianotuna 02/20/19 04:41pm Tech Issues
RE: Wiring solar panels in series with three panels

volts in series rise; amps in series do not rise Amps in parallel rise; volts in parallel do not rise. And watts stay the same. Output from the panels wired in series in theory will be: 55.14 volts and 8.82 amps. In real life, you may see 55.14 volts and 6 or 7 amps at solar noon. In the morning you may see 55.14 volts and 1 or 2 amps. So I totally get the wiring now! This looks easy. Now lets talk amps. Each panel is 18.38v/8.82 amps. Do the amps triple like the voltage? Adding up to a theoretical high of 26.46 amps? Or do the amps stay an 8.82? Thanks,
pianotuna 02/20/19 04:39pm Tech Issues
RE: Honda or Yamaha inverter generator?

wanderingbob, Does the Predator have a fuel pump?
pianotuna 02/18/19 05:35pm Beginning RVing
RE: Roadside Assistance

I have CAA RVplus. I've not had to use it often, but I'm pleased with the service.
pianotuna 02/18/19 10:33am Class C Motorhomes
RE: New batteries I have some questions?

Hi, My battery filler system was made from rather friable plastic. It broke when it was being installed. I'd go to used telcom AGM jars. Mine are adequate to my requirements after 4 years of full time. Most smart chargers are notorious for not completely recharging the battery bank. That leads to sulphation. I'd go with the best recharging system possible.
pianotuna 02/18/19 10:02am Class A Motorhomes
RE: How is this for a power system? Solar vs battery balance?

Hi, Some exceptions to LI being the right choice. One is cold weather use. The other is Li are NOT forgiving in any sense of the word. I'd hate to ruin 200 amp-hours of LI (I think 300 would be safer). The other is connecting Li in parallel. The Li absolutely need a battery management system. One that monitors the charge on each and every cell would be my choice. There is one Li chemistry that can be used and charged in extreme cold, but I've not been able to find it in a high amp-hour configuration. I have seen the cost calculated between lithium vs AGM, lead acid and in the long run, the lithium costs less. It's that big up front cost you have to get passed.
pianotuna 02/18/19 09:31am Truck Campers
RE: Honda or Yamaha inverter generator?

Hi, The Pinella is $249.00. The lack of an easy extended run tank is a huge disadvantage of the Yamaha. The only option I have found is close to $500.
pianotuna 02/18/19 09:23am Beginning RVing
RE: Honda or Yamaha inverter generator?

Gordon3, I believe Pinella's sells an aftermarket extended run time tank. It is pricey.
pianotuna 02/17/19 05:12pm Beginning RVing
RE: How is this for a power system? Solar vs battery balance?

Li batteries do not wish to be topped off, nor trickle charged. More solar (400 to 600 watts) and a charge controller designed for Li would be my choice. Victron has a 2000 watt inverter that is cheaper and better than the Xantrex. The biggest difference is, that after warranty runs out, the Victron can be repaired. Xantrex won't sell the parts. I suggest staying with one "family" for components--so go Victron for the solar charge controller, too! 600 watts may obviate the need for a generator, except for running the roof air. Battleborn has some "packages". I suggest following their recommendations.
pianotuna 02/17/19 09:18am Truck Campers
RE: Honda or Yamaha inverter generator?

Hi, I would buy neither Honda or Yamaha. I would purchase a Champion 3400 with remote electric start. I would consider the Harbor Freight 3500 inverter generator, with electric start.
pianotuna 02/17/19 09:05am Beginning RVing
RE: Yamaha 2000 ie. running eratic

Many generator manuals suggest the first oil change at 20 hours. There after--every 50 or 100 hours. I went to synthetic because I knew I would be doing cold weather starts.
pianotuna 02/17/19 08:52am General RVing Issues
RE: anyone Xantrex Freedom XC 2000_12 Volt Inverter_Charger?

Hi, Be aware that there are no after warranty parts available. I.E. if it dies, you can not get it repaired. For that reason alone, I'd suggest looking at Victron. https://www.amazon.com/Victron-12-2000-80-50-120V/dp/B0053XY8NY/ref=sr_1_1?s=sporting-goods&ie=UTF8&qid=1550335858&sr=8-1&keywords=victron+2000+watt Another reason to look at Victron is that it is cheaper than the Xantrex.
pianotuna 02/16/19 09:51am Tech Issues
RE: 14 volt tv and the inverter squealing.

I would wire around the switch. In fact, I would direct wire to the battery bank with nice thick wire--say #10. Have you attempted to run the device on DC without the inverter at all?
pianotuna 02/15/19 06:17pm Tech Issues
RE: Yamaha 2000 ie. running eratic

A third vote for some Seafoam. I treat mine before storage.
pianotuna 02/15/19 06:12pm General RVing Issues
RE: battery issues on new TT

Welcome to the forums! Consider adding a modest solar panel charging system. Your batteries will thank you with a much longer life span.
pianotuna 02/14/19 07:11am Travel Trailers
RE: Starting battery goes dead

The advantage of the Trik-L-Start is one way charging. So you can not by accident drain the chassis batteries.
pianotuna 02/13/19 10:32pm Class A Motorhomes
RE: Finding a CG has become such a frustrating pain in the....

Hi Bob, There are lots of small town campgrounds that have no listings. I've added a few low cost or no cost ones here: https://freecampsites.net/
pianotuna 02/12/19 04:28pm General RVing Issues
RE: Stand-alone GPS or smartphone?

While it is true the cell phone gps is satellite based, and will work without a cell signal, mine will not create a new route without the phone connecting to a tower. I wish that Microsoft Streets and Trips were still being kept up to date. I prefer using a cell phone--but there are times when there is no cell signal--in mountains etc. GPS uses a satellite signal, not a cell network signal. I routinely use my smart phone GPS when I'm WELL out of cell service. As a pilot I'm often "out of service" at only a few thousand feet up. You just have to have the map database on the phone itself instead of something that needs to fetch the maps as you move along.
pianotuna 02/11/19 04:29pm Beginning RVing
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