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 > Your search for posts made by 'road-runner' found 28 matches.

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RE: Lithium cost keep dropping!

YES: The advertised amp hours do include the no-touchee amp hours. For maximum charge cycles, there are recommendations to not touch the top 10% either, leaving 70% usable. Compared to 50% recommended for lead acid batteries. Lots of discussion about this on solar energy forums.
road-runner 10/11/21 09:52am Tech Issues
RE: 400 mile electric RV

Fyi 80% of forest fires are started by humans. The rest by lightning. Powerlines are nowhere near as dangerous. Some might disagree: The Camp Fire was the deadliest and most destructive wildfire in California's history, and the most expensive natural disaster in the world in 2018 in terms of insured losses....Ignited by a faulty electric transmission line. Camp Fire - California
road-runner 10/09/21 05:58pm Tech Issues
RE: Can now run the A/C while boondocking

Honda screaming is quieter that micro"quiet" loafing along.
road-runner 09/24/21 10:12pm Tech Issues
RE: Coleman heat pump and heating element together

My 15k Coleman heat pump with heat strip is 12 years old, so YMMV. When calling for heat, the unit runs either the heat pump OR the heat strip. The switchover outside temp is "approximately" 40 degrees F, and the stated reason for that temp is to avoid the outdoor coil freezing. For heat output comparison, the heat pump provides 12,700 BTUH heating at 47 deg F. The heat strip provides 5,600 BTUH. Switching from factual to editorial mode, like most heating devices, the heat strip when not in use gets covered with whatever is floating in the air, and stinks like crazy when first used after a long time of no use. When I de-winterize, I always run the heat pump in the driveway until the smell goes away. Assuming it's reasonably warm when you de-winterize, you aren't able to run the heat strip because it's conveniently automatic. The end result, especially if the heat strip hasn't run for a few years, is this: A below 40 deg day comes along, you run the heat, the heat strip runs, and the stink is so bad you want to open the windows to let it out. Happened to me the first time when it was well below freezing outside. I addressed this by adding a switch to the heat pump so I could manually force the heat strip to run, and de-stinking it is part of the de-winterization process. Doing this is not for most people obviously. The heat strip might not provide enough output to be your only heat source in the below 40 deg weather where it's switched on. It has roughly the same output as a 15 amp portable heater. I use it occasionally, and my overall conclusion would be to get it if it doesn't add a whole lot to the price.
road-runner 09/01/21 10:02am Tech Issues
RE: 30amp Gen/50 Amp RV Generator Help

Why are you running a stand-alone generator for an RV that came with it's own built in? Is this a joke?I can't speak for the OP but can say I do exactly this because the built-in onan is so darn noisy.
road-runner 08/24/21 10:38am Tech Issues
RE: Stick-house Smoke detector question

If your home has been built in the last 10 years in the U.S., chances are they are wired together to intercommunicate. This sort of wiring guarantees that if one alarm in the house goes off, they all go off. My view is the interconnection guarantees you will lose valuable time figuring out where the fire is. I've got 7 of them, and any one of them is easily heard throughout the house.
road-runner 08/07/21 04:24pm Tech Issues
RE: Honda / Westinghouse companion

"If it's on the internet, it must be true" I took that as a good reminder to be cautious of claims on the internet. Too many people post their best guess or opinion as fact.
road-runner 08/03/21 10:30pm Tech Issues
RE: Honda / Westinghouse companion

If they are both inverter generators there's a chance it could work ok. There's also a chance of damaging one or both of them. If somebody else has actually paralleled the exact models you're thinking of, your risk is greatly reduced. Since the Honda generators have a higher normal output voltage than most others, I'd expect the Honda to carry almost all the load until it approaches its maximum output, then the other generator would carry the additional load. This unless the Westinghouse generator is also on the high side, output-voltage-wise.
road-runner 08/03/21 05:02pm Tech Issues
RE: Coverter/ GFCI problems

It could be a case of the manufacturer driving a staple through a power wire. Wouldn't be the first time.
road-runner 07/19/21 05:40pm Tech Issues
RE: Parallel 2 2200s and a 1000

You’d think the smallest one would just overload, but it doesn’t. It's a pretty simple load sharing system. As the load goes up, the output voltage of an individual generator goes down. As the little one approaches overload, its output voltage goes down, causing it to contribute less power to the load. The voltage of the larger generators doesn't decay as much, causing them to carry more of the load. There might be a little oscillation on a load change but the system will eventually find an equilibrium.
road-runner 07/13/21 03:39pm Tech Issues
RE: Blown GFC breakers

The current injection method for ground-neutral fault detection is 10+ year old technology. The National Semi/TI LM1851 worked this way. The older Fairchild/On Semi chips have some sort of circuitry that causes a sense amp to oscillate on a ground-neutral fault. TI doesn't disclose the G-N detection scheme in the data sheet for its newer GFCI chips. On Semi's NCS37010 operates with a single CT and contains a DSP. Like so many other things, GFCI operation has evolved to magic chips with very little external circuitry.
road-runner 07/10/21 02:24pm Tech Issues
RE: lifepo4 and maxxfan

You will have to chose diodes that have a high enough current rating for the max draw of the fan.Have to worry about getting rid of the heat from the diodes, too. Drop 1.5 volts drawing 4 amps and you've got a 6 watt heater. Maybe put the diodes in the air stream the way fan dropping resistors are cooled?
road-runner 07/05/21 02:29pm Tech Issues
RE: Tech problem with MaxxFan Deluxe--need advice

....The voltage to the fan should be between 10.8 and 13.2 volts, but it can handle the surge of up to `16 volts for a bit, but not a continued voltage of above 13.2 I am not sure if that was miscommunicated by Dale, or misunderstood by the poster, but the constant voltage to the fan should be 12 volt plus or minus 10 percent...... IMO, any product sold to be powered by an RV or vehicle 12 volt system should be able to tolerate 15 volts indefinitely. Otherwise it's defective design and/or deceptive marketing. My low-tech Turbo Maxx runs often with the charger at 14.4 volts. Its manual specifies the maximum current draw at 13.8 volts.
road-runner 07/03/21 01:48pm Truck Campers
RE: Inverter Microwave - Current Draw vs. Power Setting

I tried one Panasonic "inverter" microwave model on MSW and it wouldn't run at all. If you're using MSW you might want to check that out before committing to a plan.
road-runner 07/02/21 03:25pm Tech Issues
RE: Whats makes the WFCO jump to 14.4?

I can't speak for every WFCO converter. The one I observed worked as follows. - Converter startup, (AC power applied) - Converter attempts to supply 13.6 volts at its output. - At 7 seconds after startup, if output voltage is 13.2 or less, boost mode is entered - Boost mode continues for 4 hours The wimpy wiring in most RVs makes it impossible for a low battery to pull the converter output down to 13.2. The converter isn't defective. It's that the converter design and RV design are not compatible.
road-runner 06/27/21 08:43pm Tech Issues
RE: Honda 2200i Experts??

The eu2x000 series generators have had a high (but within spec) no-load AC voltage output from day one. As the load increases the output voltage ramps down to the 120 ballpark at full load. My eu2000i no load output voltage is 127.1 with eco on, and 128.6 with eco off. The 12 volt output is not only unregulated, it's unfiltered. My manual says the following about it: "The DC receptacle should ONLY be used for charging 12-volt automotive type batteries. The DC charging output is not regulated." They should also have added to use it only on FLA batteries. Ripple kills AGMs.
road-runner 06/20/21 02:44pm Tech Issues
RE: Watt Hrs vs Amp Hrs

amp-hours are voltage dependent watt-hours are not voltage dependent. That whole article could have been written around these 2 lines instead of overcomplicating it to confusion.
road-runner 03/23/21 10:55am Tech Issues
RE: Water Cooled 190-Ampere Alternator

Alternator running at double the voltage, same power in watts, has half the current flowing through it. Half the current leads to one-fourth heat produced by loss due to resistance in the internal coils. It's probably not that simplistic because the coil resistance would change, but even if it doubled, the heat generated would still be cut in half.
road-runner 03/16/21 10:15am Tech Issues
RE: Water Cooled 190-Ampere Alternator

Must be bad air flow if the alternator requires water cooling !It's for an Audi and they like to make things complicated just for the sake of it. I have one with a liquid cooled alternator and it doesn't look airflow restricted at all. Perhaps it's to get the cooling fan off the alternator to get a 0.01 mpg increase. Other examples of complication are my battery is under the driver seat, and the battery management module has to be reset with a proprietary scan tool when replacing the battery.
road-runner 03/15/21 09:45pm Tech Issues
RE: Honda 2000i Runs but no Power

Not sure if I'm reading the previous post correctly or not. The eu2000i uses a permanent magnet rotor. No brushes, no slip rings, no coil in the rotor.
road-runner 03/14/21 03:26pm Tech Issues
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