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 > Your search for posts made by 'pianotuna' found 1507 matches.

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RE: Crummy headlights - Can't see, need upgrade

Hi, Driving lights during day has been a requirement in Canada since 1989. I wish it would include tail lights, too.
pianotuna 01/22/21 01:38pm Tech Issues
RE: 2019–20 CORONAVIRUS PANDEMIC POSTINGS

Just how effective are the vaccines? -2021January22-]https://www.bbc.com/future/article/20210114-covid-19-how-effective-is-a-single-vaccine-dose?xtor=ES-213--2021January22-
pianotuna 01/22/21 08:50am Around the Campfire
RE: Calling on Solar Techies

1L243, I picked the Kinverch as an example. I'd research it carefully for reviews--and not those on amazon. MPPT in the lab, may yield 30% more energy. In the field, 10% may be more realistic. My controller is MPPT, but in 2005 I was paying $5 per watt for panels--so it made sense to go MPPT on such a small system. Now panels are as little as $0.36 per watt--so adding an extra panel is more economical that purchasing a quality MPPT. On the other side of that coin, MPPT may start charging sooner and charge later in the day--and is usually better in low light situations. Because of the higher voltage, thinner wire may be used with MPPT. Another reason to go MPPT is if the available roof space has been maxed out.
pianotuna 01/20/21 10:41pm Tech Issues
RE: Calling on Solar Techies

I am also looking at this 1500 watt pure sine wave inverter. I chose it because of one the price but second the remote monitor that lets you turn off the inverter from inside the trailer. Other than that I don't know enough about inverters to choose. https://www.amazon.com/EDECOA-Inverter-Display-Remote-Controller/dp/B085PQ1L3L/ref=sr_1_20?dchild=1&keywords=1500+watt+inverter+pure+sine+wave&qid=1611182869&sr=8-20 Hi 10 ms for surge--means it may as well only be 1500 watts. Please spend a few of your hard earned dollars on a 2000 watt unit. More than a few of us have burned out an inverter by taking it to the leading bleeding edge of capacity. I suspect the sine wave goes to the dickens, too. This may be a better choice for a similar price. https://www.amazon.com/Kinverch-Inverter-Converts-12V-Remote-Control/dp/B07QH3XNSX/ref=sr_1_1_sspa?dchild=1&keywords=2000+watt+inverter+pure+sine+wave&qid=1611199822&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEzRjRMMktJSFFLNk1IJmVuY3J5cHRlZElkPUEwODg0NjgwM0czQ1pNOVoyT1BZUiZlbmNyeXB0ZWRBZElkPUEwMDM3OTM1MjRPR0RYUlpBM1FSRSZ3aWRnZXROYW1lPXNwX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=
pianotuna 01/20/21 08:29pm Tech Issues
RE: Crummy headlights - Can't see, need upgrade

Bob, Power varies by the square of the voltage. 12.6 x 12.6 = 158.76 11 x 11 = 121 121 / 158.76 = 22% less light.
pianotuna 01/20/21 03:18pm Tech Issues
RE: Crummy headlights - Can't see, need upgrade

Hi Bob, I added twin light bars. They will not operate on the high beam setting. My low beams with the bars are far superior to the high beams now. You are likely blinding on coming drivers. I had the light bars properly aimed. I turn them off just as I would high beams.
pianotuna 01/20/21 03:15pm Tech Issues
RE: solar

BFL13, Cold weather use and ability to be partial charged are my interests. I have not set eyes on my RV for 10 months now. Makes me quite sad.
pianotuna 01/20/21 03:13pm Tech Issues
RE: solar

jshupe, Do you have a picture of the panels? What controller are you using? SiO2 can manage c/4 (25 amps per 100 amp-hours). They don't have to be fully recharged each cycle. Of course, that is no match for the charging rate on Li chemistries, but it is double that of regular flooded.
pianotuna 01/20/21 10:42am Tech Issues
RE: Crummy headlights - Can't see, need upgrade

Hi Bob, I added twin light bars. They will not operate on the high beam setting. My low beams with the bars are far superior to the high beams now.
pianotuna 01/20/21 07:42am Tech Issues
RE: solar

Start with an energy audit. Decide how much reserve capacity you want. From that design the battery bank. Build a solar panel system that will recharge the battery bank.This is the proper way to go about it.I prefer to max out the solar and deal with the consequences. Solar is so inexpensive today there is no reason to aim for the minimum. Which is why I recommend the largest capacity charge controller that one can fit the budget. There are at least 2 100 amp controllers available.
pianotuna 01/20/21 07:22am Tech Issues
RE: Calling on Solar Techies

If I were starting over I would go to 48 volts. Interesting ! 48V is expensive because of the number of battery cells required. At 48V that charge controller has PLENTY of expansion capability. Hi theoldwizard1, I started out with 875 amp-hours of battery bank with 50% usable. In the summer I'll be going back to 600 amp-hours with 80% usable, so 48 volts would be possible. What stops me from going to 48 volts is the inverter, and charge controller.
pianotuna 01/19/21 02:07pm Tech Issues
RE: New Thermostat Question

pianotuna - can you say the make and model of your window fan and post a picture? thanks The one I have is no longer findable. But this is quite like what I have: https://www.walmart.com/ip/Holmes-HAWF2021-WMUM-Dual-Blade-Twin-Window-Fan/17133777 https://i5.walmartimages.com/asr/9c7851cc-ee29-4f9b-a058-4c08c58fd462_1.0bcfbc0fb7c118d661408b94a6f69567.jpeg?odnWidth=1000&odnHeight=1000&odnBg=ffffff width=275
pianotuna 01/19/21 01:53pm Tech Issues
RE: New Thermostat Question

Thanks Don, I wish that would work. It’s a simple solution, and I like to keep things simple. Unfortunately, the design of this furnace on the intake side has no clear air intake air duct. :):) That is exactly the way my air return grill is. Test it out with a box fan. You may need to use a draft gauge to see it working.
pianotuna 01/18/21 09:03pm Tech Issues
RE: New Thermostat Question

Nralifr, Simply replace the return air grill with a twin window fan. Mine draw a scant 27 watts and I control them with a mechanical thermostat near the water pump. They pressurize the hot air ducts and move just a bit of air. No more freeze ups for me.
pianotuna 01/18/21 05:00pm Tech Issues
RE: Calling on Solar Techies

Takes a lot of solar, battery AND MONEY to make the system you long for, way above your budget. Why does everyone keep saying this ! Victron SmartSolar MPPT 100/50 Charge Controller - $325 Amazon Victron SmartShunt Battery Monitor - $130 Amazon Samlex EVO-1212F-HW Pure Sine Inverter/Charger - $745 Amazon That is $1200 ! If you shop hard, you should be able to find 200W polycrystalline solar panels for under $200 each. ($150 a piece would be a very good deal at 75¢/watt, but do-able) Add mounting hardware and some wiring and yes, you will probably be up around $1700 (If I was building this for myself, I would want 600W of solar and a 2000W inverter and I would use a 24V battery bank but that would be over $2000.) Charge controller not big enough to allow for future growth. Inverter is too small. Yes on the battery voltage--but that will take him way over $1500. If I were starting over I would go to 48 volts.
pianotuna 01/17/21 11:06pm Tech Issues
RE: Calling on Solar Techies

You can do it for $1500 provided you give up the inverter/charger and just have a 2000 watt quality inverter. That means no transfer switch, and no hybrid 'load support' operation, either. In 2005 I was able to do 256 watts for $1700.00. I had to cheap out on the inverter, using a Cobra 2500 msw that was rated to run motors. It was an additional $199. Are those US or Canadian prices ? The cost of solar panels has come down a lot since 2005. They were US prices--but at that time the Canadian dollar was fairly near par.
pianotuna 01/17/21 11:03pm Tech Issues
RE: solar

Start with an energy audit. Decide how much reserve capacity you want. From that design the battery bank. Build a solar panel system that will recharge the battery bank.
pianotuna 01/17/21 11:01pm Tech Issues
RE: Calling on Solar Techies

If I can't do a solar system under $1500 to power my basic needs I may have to go with a hybrid plan of solar plus generator. Added: At least 400 watts of solar on the roof. A all in one 1000 watt inverter that will power 110 outlets in the Trailer and charge the batteries. I will switch to generator power for making coffee and using the microwave? Hi, You can do it for $1500 provided you give up the inverter/charger and just have a 2000 watt quality inverter. That means no transfer switch, and no hybrid 'load support' operation, either. In 2005 I was able to do 256 watts for $1700.00. I had to cheap out on the inverter, using a Cobra 2500 msw that was rated to run motors. It was an additional $199. In your shoes I'd splurge on a charge controller that was able to do 80 to 100 amps. That way you can add more panels later. Panels are the cheapest part of the system now--back in 2005 I paid $5 per watt. I would forget about a 1000 watt inverter. 2k is not that much more money and can potentially power everything in the RV, on a 'one at a time' basis. It is good to listen to time2roll and BFL13.
pianotuna 01/17/21 06:28pm Tech Issues
RE: Calling on Solar Techies

I would like the total cost of my system to be under $1500 That means using a 'junk' inverter. How is your energy audit coming?
pianotuna 01/17/21 02:08pm Tech Issues
RE: Calling on Solar Techies

The heater has 3 settings with the lowest setting being under 600 watts. With the existing usable battery capacity, one MIGHT get 2 to 3 hours from a 600 watt heater. Then the battery bank would need a full recharge. My system harvests about 17 amp-hours @13 volts on December 21. That is a scant 221 watt-hours. It would cover some of the parasitic loads. While the rv is in storage harvest is enough to keep the battery bank happy and fully charged. My original capacity was 437 usable amp-hours or about 5000 watt-hours. For a weekend I ran what ever I wanted with the exception of the roof air conditioner. For a 5 day trip, I had to eliminate running the water heater on electric. Boondocking was limited by fresh water, not power. I wish, that instead of getting a generator when I went full time, that I had redone the solar with a massive upgrade. As it is, the system is 15 years old and still provides it's oem rated capacity.
pianotuna 01/17/21 08:59am Tech Issues
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