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 > Your search for posts made by 'pianotuna' found 1641 matches.

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  Subject Author Date Posted Forum
RE: Solar panels

This may help: https://freecampsites.net/adding-solar/
pianotuna 12/14/19 11:51pm Tech Issues
RE: Ceramic Heater Safety

How odd. I've never had an oil filled heater fail. I've been using them for 29 years.
pianotuna 12/14/19 09:38am Do It Yourself Modifications and Upgrades (DIY)
RE: How much water to ad to black tank when starting out.?

After dumping I let the tank sprayer run for 30 seconds to maybe a minute. I would guess that equates to about a gallon of water. Please don't guess. Next time simply measure the liquid. I don't add water before trips. I don't use chemicals. I have had zero problems with the waste tanks.
pianotuna 12/13/19 02:31pm Beginning RVing
RE: Ceramic Heater Safety

Oil filled are possibly the safest--and a nice even heat, too.
pianotuna 12/13/19 02:24pm Do It Yourself Modifications and Upgrades (DIY)
RE: Water and Gas Usage Rates

I suggest gasoline rather than propane. Generators burn a LOT of propane. If you do wash cloths dampened and heated in a microwave, you can stretch water use a lot. My freshwater tank9(s) are 68 gallons US. I can do three weeks. I do not use the tanked water for cooking or drinking. If you are serious about boondocking, look into adding solar charging to your RV.
pianotuna 12/13/19 02:15pm Beginning RVing
RE: RV sites recommendations around Mesa Verde NP in May

Bring warm clothing for May.
pianotuna 12/12/19 09:25am RV Parks, Campgrounds and Attractions
RE: Recs for Solar Cut Off Switch?

Hi BFL13, The higher potential is a dead short across the battery bank.
pianotuna 12/11/19 09:27pm Tech Issues
RE: Recs for Solar Cut Off Switch?

BFL13, I'd use a bi directional switch with arc protection both ways. On polarity "direction" I don't see the way that is marked on a switch, so how to get it right way around if on the battery neg wire or pos wire? Would want an arrow toward the battery (or solar panel) positive post in the States (or negative post in Canada?) With the solar controller in the middle and the array as the "current source", which way is "positive"? You have the battery circuit direction and the array circuit direction, but the PWM controller passes the battery voltage to the array. How can it do that if they are in opposite directions?
pianotuna 12/11/19 04:47pm Tech Issues
RE: Recs for Solar Cut Off Switch?

BFL13, DC switches often do exhibit "polarity". This came up in a solar installation thread, a few weeks ago. There is arc inhibiting built into the switch. If it is installed "backwards" then there is little arc fault protection. Some switches have the technology for arc protection on both "sides" of the switch--then the polarity no longer matters.
pianotuna 12/11/19 11:18am Tech Issues
RE: Recs for Solar Cut Off Switch?

Hi BFL13, What matters most, in my opinion, is the contacting amperage. Mine are rated at 1000 amps, contacting, but only 100 amps continuous. As I use two in parallel that gets me to 200 amps continuous. AC switches can be used but they have to be de-rated by about 90% on the voltage side. That means a switch with a rating of 125 volts is "right on the edge" for 12 volt use--because we often see 13.4 or higher. It would not matter when the circuit is closed--but it would matter when turning it "off" or "on" https://www.electronicdesign.com/sites/electronicdesign.com/files/MouserSwitches_Fig1.jpg width=375
pianotuna 12/11/19 11:12am Tech Issues
RE: running fridge in cold weather?

In weather cold enough the working fluid may gel. If it does it may cause a blockage. If you are lucky the blockage may be "jarred" free. If not, you get to replace the fridge.
pianotuna 12/11/19 10:02am Tech Issues
RE: Recs for Solar Cut Off Switch?

Boon Docker, The gap needs to be larger in a DC rated switch. Faster is better, too.
pianotuna 12/11/19 09:51am Tech Issues
RE: running fridge in cold weather?

There are ways to make the fridge work at -37C (-34 f). Norcold makes a cold weather add on kit. Restricting air flow and a 60 watt bulb controlled by a thermocube also work. See the thread in full time RVing called "winter camping". There are a host of cold weather modifications that may be done.
pianotuna 12/10/19 01:54pm Tech Issues
RE: Recs for Solar Cut Off Switch?

Hi, On AC power the direction of the voltage changes 30 times a second. On DC it is one way, so an arc requires a larger gap. Here is a high voltage example: https://www.youtube.com/watch?v=d3U1yrBI3xc That is what is happening inside the switch. The arcing causes pitting of the contacts. BFL13, With respect, using a switch rated for AC in a DC circuit may lead to arcing. Don, what are the design characteristics of AC and DC switches that differentiates the two? What inhibits the arching in one design and not the other. Inquiring minds want to know. Richard
pianotuna 12/10/19 01:32pm Tech Issues
RE: Portable Generator Insurance?

As I said earlier, my RV insurance covers my generator, at no extra charge.
pianotuna 12/10/19 08:30am General RVing Issues
RE: Recs for Solar Cut Off Switch?

BFL13, With respect, using a switch rated for AC in a DC circuit may lead to arcing.
pianotuna 12/09/19 09:57pm Tech Issues
RE: Motorhomes on Mercedes Chassis

Sprinter maintenance costs are high. Serious repairs are astronomically expensive. Use the "wrong" fuel and you void the warranty. I had a diesel class C. I'd never go back.
pianotuna 12/09/19 09:50pm Class C Motorhomes
RE: Voltage drop to 1200 watt inverter

No meaningful answer can be made without knowing the wire size and length of run. It would be good to know what the wattage is for the fridge. A Kill-a-Watt meter would be a good addition. Measure on shore power, and measure on inverter power.
pianotuna 12/09/19 08:07pm Tech Issues
RE: All battery/electric bus fleet

Inductive charging at some stops would work. However, that does take time to install.
pianotuna 12/09/19 02:38pm Tow Vehicles
RE: Portable Generator Insurance?

My vehicle insurance covers the depreciated value of the generator. However, it requires replacing it with an identical model. I would have changed to Champion from Yamaha because of greater capacity, and lower price.
pianotuna 12/09/19 02:37pm General RVing Issues
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