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 > Your search for posts made by 'KD4UPL' found 164 matches.

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RE: Not solar again ?

There are several charge controllers that will be damaged if the battery is disconnected with live PV still connected. I don't remember which models but I have run across them over the years. Whatever charge controller you get you will need to read the instructions to see if this is the case. I would put the controller with the batteries. Are the batteries on all 3 trailers the same or are they different sizes, types, brands, etc.? You may need to program the charge controller differently for each battery bank to get optimum charging. Yes, generic settings will work well enough but specific settings will be better.
KD4UPL 12/02/21 07:17pm Tech Issues
RE: Trouble finding alcohol free RV antifreeze this season?

I ordered in a couple gallons of alcohol free Propylene glycol when I winterized my boat. I didn't have any trouble finding it online. I got it from an online marine retailer. I think it was West Marine. I didn't even try the stores. Our nearest Home Depot is about 30 miles away but then it's 15 miles to the nearest traffic light. What's with all the "vegetable based" comments? I've never heard of such a thing. It's propylene glycol.
KD4UPL 11/30/21 08:33pm General RVing Issues
RE: Generators: Cummins 4500 vs Westinghouse vs. ?????

While a feel a Cummins engine is a good piece of equipment and a true Cummins generator is also good what you're looking at is not a Cummins. I used to install the permanent mount air cooled automatic starting residential generators from Cummins; they came in 13kW and 20 kW sizes. The 20 kW used a Kohler engine, the 13 kW used a Subaru engine. Both units had lots of problems with quality control and electrical components. I finally quit putting them in and wouldn't recommend one. The larger liquid cooled Cummins units were actually made by Cummins even though they used a Mitsubishi engine in the LP/Natural gas units. I highly doubt Cummins had anything to do with a portable generator other than putting their name on the side.
KD4UPL 11/28/21 11:06am General RVing Issues
RE: Multimeter recommendation?

DC amperage is very hand around an RV where nearly everything is DC. Is this a clamp on amp meter or do you have to insert the probes into the cirucit? I prefer the clamp style as it's much easier to use and will read much higher currents. If you ever need to measure DC current from a solar array or to an inverter you will appreciate the clamp DC meter. I wouldn't buy anything electrical from HF. If you're going to invest in a tool invest in a good one. Fluke is the top of the heap but I'd take Klein, Southwire, or Ideal any day. Keep in mind, with cheap HF meters, you will have live electrical power flowing thur this device. A cheap meter that blows up in your hand is a really bad deal.
KD4UPL 11/25/21 07:26am Tech Issues
RE: Jake Braking A 5er Down Long Steep Incline

When I drove 18 wheelers with jake brakes I never applied the trailer brakes going down hill. It never even occurred to me. You're thinking too hard about this.
KD4UPL 11/23/21 04:35pm Fifth-Wheels
RE: TV antenna

If you already have a TV antenna then you don't need another one. It works the same as any other antenna. Some people will try to tell you that the switch to digital TV means you need a "digital" antenna. Don't take advice from such people.
KD4UPL 11/21/21 07:14pm Technology Corner
RE: Generator to run three RV's?

I agree 6 kw is too small for 3 AC units running, particularly since 50A units tend to have 2 AC units in them. I would estimate somewhere around 10 kW would do it. You can probably rent a tow-able diesel unit that would serve the purpose well. They have some that are incredibly quiet for their size. I believe you would also save fuel; 1 generator running under varying load is likely far more fuel efficient than 3 or more generators running. I disagree that you would need a 30 kW generator as there is no way your going to have all 3 RVs pulling the maximum their service will allow all at the same time. Most RV parks couldn't even support this type of scenario. However, likely, when you start looking at rental diesel generators they will be in the 20 kW to 30 kW size range.
KD4UPL 11/19/21 03:54pm Tech Issues
RE: Understanding the generator wiring

Those wires are likely to power the starter motor to crank your generator to get it started. They have nothing to do with controlling it. They have nothing to do with it's output.
KD4UPL 11/16/21 06:20pm Truck Campers
RE: Are OTR truckers restricted from speeding?

When I drove for a small independent trucking company there was no governor on the truck; I know it would do at least 85 MPH. Later, driving for a larger company their trucks were limited to 68 MPH when using the "pedal" but would go up to 70 MPH if on cruise control. This was done to encourage the use of cruise control in an effort to save fuel I guess. Most big company trucks are limited to 60 or 65 or whatever by the company. It's the independent guys that can usually go as fast as they like because they own the truck and have it set up the way they want it. What stinks is when a truck limited to 68 wants to pass a truck limited to 65; it does take him a long time but there's not much he can do about it. I haven't driven since they implemented the electronic logs. I don't think I would like it very much.
KD4UPL 11/15/21 06:15pm General RVing Issues
RE: I think I am beginning to understand...

In Virginia (and other states I'm sure) a TC is considered cargo and not a vehicle. Thus, no tags, inspection, or personal property tax on TCs.
KD4UPL 11/13/21 04:06pm Truck Campers
RE: Newbie Question on removing small Lance

You absolutely don't want a 1500 truck no matter how small the camper. A 2500 truck is marginal for all but the smallest campers. Since you're talking RAM then definitely skip the 2500 because the RAM 2500 has coil springs in the rear. I would consider a 3500 SRW bare minimum for any reasonable size TC. If you want something with slides and longer then 9 feet you should really consider a dually. When I had my 11' TC with remote control jacks I could take it off in about 20 minutes start to finish. If I would have had Fast Guns or some other quick detach system for the tie downs it would have been quicker. It generally took me about 30 minutes to put it on but I had a dually with an 8' flatbed so there was very little room for error. A regular truck bed would have probably been quicker. My first TC was an 8' pop-up with no bathroom, no basement, and no slides. I had it on a 1996 Dodge 1500 and the truck was over it's GVWR with no passengers and no gear in the TC. I then got an 11' TC with no basement and no slides. I had it on a 2007 Chevy 3500 SRW and it was right at GVWR with nothing in the camper, no fuel in the truck, and no people inside. Loaded up for a trip I was at about 11,150 pounds. I then moved that camper to a 2005 Chevy dually. Loaded up for a trip with the family I was about 13,100 pounds. This is why you shouldn't even consider a 1500 or even a 2500.
KD4UPL 11/08/21 06:11pm Truck Campers

Just about every RV comes with a TV antenna. That's got to be the easiest in my opinion. Best? That depends on what you want to watch I guess. I always enjoyed scanning around to see what channels I could pick up from a new location. The local news, different sports teams, etc.
KD4UPL 11/08/21 06:03pm Tech Issues
RE: New Truck, 2013 Northstar Pop Up

The "face" or sheet metal of the tailgate that is facing the road all the time will probably take a sever beating from gravel, dirt, and road debris. Assuming this is a long bed truck I think it would be fine. Some people try to use a short bed truck to haul a long bed camper and think the tailgate will hold up the back end of the camper. That puts a thousand or more pounds on the tail gate which it likely isn't designed for. It doesn't sound like you're trying to do that. All these stupid gadgets have ruined trucks for those of us who actually need them to earn a living. They keep driving up the prices and complicating things with all the cameras, sensors, etc. And, they keep making them so high off the ground it's hard to reach your tools.
KD4UPL 11/06/21 03:40pm Truck Campers
RE: Winterizing lithium batteries

Have you checked the manufacturer's specifications for your particular battery? Everyone here is just guessing. Some lithium battery models say to not expose them to temperatures below -4F. If you expect temperatures that cold I'd be very cautions about leaving them outside.
KD4UPL 11/06/21 03:31pm Tech Issues
RE: Will camper fit?

I wouldn't do it. A 9' camper doesn't belong on a short bed truck. Your truck has minimal payload capacity. Truck campers almost always put a truck over it's GVWR unless you're putting a pop-up on a dually. It could be made to work but you will need lots of aftermarket suspension band-aids and possible different tires and wheels. In the end it will still not ride and handle as nice as if you had that camper on a long bed dually.
KD4UPL 10/28/21 04:42pm Truck Campers
RE: Loading generator

I too have seen several Onan generators installed at off grid cabins need their slip rings cleaned. It usually happens a couple years after I install solar systems in the cabins and the owners stop running their generators all the time. They just sit their unused while the owners enjoy the new solar system. Then, a long cloudy stretch comes along and the gen will start but not stay running until the rings get cleaned.
KD4UPL 10/27/21 07:20pm Beginning RVing
RE: Loading generator

As Dutch pointed out and everyone else ignored the main point of running an Onan per the manufacturer's recommendation it to keep the electrical parts in good shape. Sea foam, draining the carb, etc. have absolutely nothing to do with moisture and corrosion in the slip rings. They have nothing to do with moisture and corrosion in the windings. OP, I always used a little electric heater to load my 2,500 Onan. The 1,500 watt heater was a bit above 50% load. If you have a 4,000 watt generator a 1,500 watt heater is still probably fine. A larger generator may need two heaters to get approximately 50% load. Is this RV parked near your house? Run a cord into your house and run the heater in there. This will help keep your house warm for you.
KD4UPL 10/25/21 04:32pm Beginning RVing
RE: Long Bed vs Bigger Overhang - off - roading

I would get the long bed truck for sure. It will give you a much greater choice in campers. It will also ride better and quite possibly have a larger fuel tank. If I had anything dragging on the back of my rig I would want it to be the truck frame, hitch, or bumper; not the camper. If you drag a camper rear off road it will likely do significant damage.
KD4UPL 10/25/21 04:02pm Truck Campers
RE: Changing a tire yourself

It's never occurred to me to do anything else but change my own flat tires. I've changed them on boat trailers, flatbed trailers, trucks, cars, etc. I make sure all of my vehicle have a jack and a lug wrench at minimum. I carry a Milwaukee M18 impact wrench in my dually pick-up since those lugs are really tight. There's no way I'd wait for hours to have someone come do a task I can do myself in 20 or 30 minutes.
KD4UPL 10/22/21 07:25pm Class C Motorhomes
RE: RuggedFlex solar panels -- a significant new product??

It's about 5 times more expensive than traditional panels. It's about 3% to 5% less efficient than traditional panels. The warranty is only 5 or 10 years instead of 25 years like most traditional solar panels. Those are some big drawbacks in my opinion. Less weight, yeah, that's good, especially mounted up high. I don't think I'll be buying any.
KD4UPL 10/22/21 07:21pm Tech Issues
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