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RE: Amps Draw and Voltage Drop Question 2

Unless I’m missing something, most of responses are missing the point of the issue (as the OP might have with how he’s thinking about this). I believe the 0.2V drop is not IR from the 8A flowing through wiring to the furnace, but instead is internal voltage drop in the batteries (assuming normal battery connection wires). OP is not measuring 0.2V drop across the wire to the furnace, but sees that drop in battery voltage. Doesn’t sound like a big battery bank, or strong (low internal resistance) batteries like Lithium or Lifeline AGMs. There is a reason that SOC is measured with resting batteries and not under load, any battery will have some voltage drop when sourcing significant current. To answer the OP question - no, a larger wire to the furnace will not help the situation. Any small IR change by beefing up this wire would have 2nd or 3rd order trivial change in motor draw, fan speed, etc. Better batteries and/or more capacity is the issue you’re dancing around.
MNRon 10/17/21 02:44pm Tech Issues
RE: Westinghouse generator 4500

I purchased a Westinghouse 4500 this summer to run our AC when traveling out west that our Yamaha 2000iS wouldn't. The Westinghouse is heavier (100lb vs 50lb) and doesn't have the switch to run the carburetor out of gas but otherwise is superior to the Yamaha I had (hopefully that statement holds up for years...). The 4500 is as quiet as the Yamaha (frankly quieter since it doesn't run as hard for the same load); the electric start is very nice; and it has twice the power. Additionally it has some nice readouts on hours used, etc. Based on a recent purchase and ~30hrs of use I'm happly to have it and I'd recommend it. If you read the thread 2oldman referenced from my use this summer the issue turned out to be a Magnum inverter issue NOT a generator issue. After much digging and conversations with Magnum it turns out that their "pass-thru" power mode is too sensitive to voltage fluxuations to work well with generators (they recommended at least a 6500W generator!). It wasn't a generator problem. I've since communicated with several Westinghouse 4500 owners that easily run 2 ACs with this generator.
MNRon 10/10/21 08:59am General RVing Issues
RE: Tonneau Cover

Another vote for soft tri-folds. I’ve had a TonnoPro on my Silverado since 2013. Works great. Well supported by company (have contacted them twice in 8yrs and they’ve been very responsive and sent free replacement parts for what I consider just worn out straps etc. We run with it folded forward when hitched to 5er and easily cover hitch and all when not hooked up. Also lived in MN for first 3yrs and it easily handled 1’ snow loads.
MNRon 10/08/21 06:25pm Tow Vehicles
RE: 3500w power inverter

3500W at 12V would pull 300A, that's a lot of power. Things will get hot if you plan on running that load for more than a few minutes at a time, not to mention your batteries depleting quickly. Typical RV installations use 4/0 wiring and a 400A slow blow fuse. We have a Magnum 3000W inverter that I ran for an hour or two in 100+ weather this summer at about 200A (AC and other nominal draws) and noticed that even with 4/0 *short* wiring and sufficient battery capacity that it didn't like continual running at that level; we typically use for minutes not hours of high load (microwave, hair dryer, etc) and it's much happier.
MNRon 09/27/21 07:30am Tech Issues
RE: Remote duel fuel 2500 watt generator?

Westinghouse 4500 - We purchased one of these this summer to run our AC when it was hot out on a trip out west. Bought the duel fuel because that was all that was available, I would have preferred to save $100 and go gas only as I doubt I'll ever run off of propane (too thirsty). I've put ~50hrs or so on it and am very happy with it. It is 100lb so it's not light, but was easier than I expected to get in and out of the truck. If you look on-line there's a mod discussed to disable the incandescent "ready" light so that you can leave it in the 'ready' position waiting for you to use the remote starter without draining the battery; I did this. Overall haven't got a lot of use on the Westinghouse yet, but I'm very happy with it.
MNRon 09/25/21 07:38am Fifth-Wheels
RE: Hanging pictures

We use the Command strips, but also put a small brad through the one on the wall side to provide additional shear support. Haven’t had a problem with them coming off in ~7yrs and ~60k miles of travel in two different 5ers
MNRon 09/22/21 05:22pm Fifth-Wheels
RE: 5th wheel lube

Another benefit to my Pullrite Superglide, the king pin is locked so it doesn’t swivel. It’s recommended to lube with wd40 - not nearly as messy as grease. Ive done this for ~7yrs and >50k miles and all is good. I do clean up and check the hitch every year or two.
MNRon 09/13/21 06:44am Fifth-Wheels
RE: Vanleigh RVs

C Schomer - not sure if you looked at VL, all face frames, doors, etc are solid Alder with Cherry plywood in the fields. The woodwork is what makes VL stand out, no paper wrapped pressboard like we found in several competitors.
MNRon 08/21/21 05:33pm General RVing Issues
RE: Vanleigh RVs

We purchased a VanLeigh 3yrs, and 30k+ miles, ago. We like it very much! We were debating between GD, Montana, and VL for a 35ft 5er; the cabinetry and styling tipped the scales decisively to VL, the upgrade in tank sizes in 2019 model years was also necessary (they slso have lots of usb chargers now too). I’ve made many mods and improvements, including 630AHr batteries, a 3k inverter, and MORryde IS suspension and disc brakes. We travel about half-time and mostly stay at state parks, COEs and NFS. As with any 5er I come back from each month long (or more) trip with a list of minor repairs and improvements I want to make. I think VL is no different than other 5ers in need to keep up with minor issues; I think that VLs weakness is their suspension which we resolved with IS. VL is a smaller manufacturer and they pride themselves on customer service. Words and actions in the last few months are consistent with that not changing with Thor’s purchasing them earlier this year. I have had excellent support and responsiveness whenever I’ve dealt with them, but have also seen others complain more on the VL website. Bottom line, I think VLs are very good and worth yours looking at, but don’t expect perfection in this RV market where quality control isn’t what it should be from any of the manufacturers.
MNRon 08/17/21 06:13pm General RVing Issues
RE: 5th wheel Hitch recommendations

Strongly recommend you consider an autoslider. I’ve used the Pullrite for 7+ years and am very happy with it. It is heavy, and isn’t cheap, but it WORKS. I can’t tell you the number of times I’ve turned tight (going forward or backwards) and watched it just move the trailer out of the way as it glided past the rear corner of my cab. Nor can I tell you the number of shortbed users I’ve seen than have banged up the corner of their cab or punched out the rear window - 2 just in the last week
MNRon 08/10/21 05:31pm Fifth-Wheels
RE: Roll up tonneau cover for GMC 2500HD Short Bed

Can’t comment on the roll-ups your interested in, but want to suggest an alternative. I’ve had a 3-fold TonnoPro on my 2013 Silverado SB for 8 years and love it. It was less expensive than most. The soft vinyl cover holds up well (3-4yrs of snow in MN winters). I flip fold it to the front when running with the 5er. It doesn’t require any additional rails or hardware that impinges on the bed opening. Give it a look.
MNRon 07/24/21 09:04pm Fifth-Wheels
RE: Duramax Turbo adventure conclusion

Grit Dog - I’m not going to bad mouth the garage that replaced the turbo (though wish we had tried the MAP sensor first) because I got that same advice from 3 dealership garages that looked at it over the couple years I was dealing with it. Sporatic problems are tough, especially when needing significant load to elicit. The good news here is that garage saved me significant $$$ from what the dealership garages quoted. Since you’re in WA I will tell you that the guys that replaced the MAP sensor (directed solution from me after discussing it with my home garage) was H & H Diesel Repair in Fife, WA. I didn’t give them a real chance to diagnose etc because we were traveling and they were working me in to a full schedule. I can tell you they seemed to know what they were doing, worked with me to squeeze my repair in and tested it as best they could without dragging my 5er around. They concluded the new MAP sensor behaves a little different from the one they replaced. Couldn’t confirm that difference was related to my issue but made a good case it might be. Bottom line, I would go there again if in the area.
MNRon 07/23/21 04:05pm Tow Vehicles
RE: Westinghouse i4500 Generator

Itinerant1- thanks again for all of your help in understanding this (and 3 tons too). I spent more time on the phone again yesterday with another Magnum tech. He didn’t seem surprised, and pushed that the problem is I’m not using a generator that’s 2x the kW of the inverter!?! It’s clear to me that the Magnum algorithm to accept incoming power integrity is not tolerant of the momentary slump that generators have under high current impulses. It also sounds like this design flaw is not limited to just Magnum. I’m a little surprised that they don’t seem to care, and don’t expect that people buy generators snd hybrid inverters assuming they play together better and load support is as simple as addition. With your help I’ve purchased a larger genny, and turned my Magnum to optimize it’s performance in this respect. I’ll be adding soft starts and then expect I can improve the odds of running AC on the genny (through the Magnum; pass thru, or load support) to where it’s no longer an issue. This forum is great, thanks again.
MNRon 07/23/21 03:45pm Tech Issues
Duramax Turbo adventure conclusion

I posted about a Duramax Turbo problem starting around 125,000miles setting the CEL and even going into limp mode when pulling a 16,000lb 5er. Conclusion a couple years ago was it *might* need a new turbo. It was sporatic though and seemed to ‘go away.’ I created a follow up post a month ago communicating that I spent $3500 to replace the turbo at about 150,000mi last winter expecting that that would resolve this intermittent problem; and that unfortunately I was experiencing the same problem of throwing the CEL and going into limp mode pulling 16,000 through the mountains again. Got some suggestions, but this thread was eventually closed down as some took it way off topic. The purpose of this post is to communicate the *final* fix for this issue (hopefully :)). A shop in Tacoma WA replaced the MAP sensor at about 158,000 miles a few weeks ago. Since then I’ve driven 4K+ miles including pulling over several passes (this morning just came over 8600ft I80 pass by Cheyenne WY). Replacing the MAP sensor seems to have resolved this issue. Wish I had tried that a couple years and $3500 ago…
MNRon 07/22/21 12:56pm Tow Vehicles
RE: Westinghouse i4500 Generator

Interesting work around 3 tons. I wish inverter companies were more forthcoming about boost capabilities and generator interactions (actually I wish they would have just solved this problem :) ) that way I’d have known going in instead of having false expectations and dealing with it real time in >100deg weather. Frankly I’m not sure how aware of this they are after a couple hours with Magnum techs. Surprisingly the Magnum tech asked me “have you heard about the rule of sizing a generator 2x the inverter size?” He was suggesting that I should have a 6kW genny since I have a 3kW inverter! When I balked he quickly backed down and said “while we recommend…”. With that kind of margin I would expect you’d never hear of this issue, but it kind of defeats why I replaced my perfectly good Magnum2800 with the 3012 load support unit.
MNRon 07/21/21 06:51am Tech Issues
RE: 1/2 ton towing a 5th wheel

Sounds like you’re contemplating starting the leapfrog game many of us have played…but a bigger trailer, necessitating a bigger truck…which then gives you ideas for a bigger trailer…repeat :)
MNRon 07/20/21 08:08pm Tow Vehicles
RE: F250 Short Bed Adding Diesel Auxiliary Tank

With a F250 you might want to look at rear axle weights before adding an aux tank. Unless you have a very light 5er, the pin weight already might be getting near RAWR. A transfer tank would add a few hundred more lbs…
MNRon 07/20/21 09:21am Fifth-Wheels
RE: Westinghouse i4500 Generator

Thanks again Itinerant1! I think I know my answer. I’ll pass along the recommendation to Magnum that they should look at how the inverter in load support (or even pass thru) interacts with generators under heavy surge conditions; if they can make it more tolerant I believe the issues I’ve experienced would go away. Regardless, no need to swap out my 3012 as the next one would behave the same. When we get home I’ll put soft starts on before the next summer trip. Certainly don’t expect to deal with the heat we have had this summer again though (a couple weeks above 100deg traveling ~PNW, including a few days >110!). Glad to know you’re happy with your system. Other than finding this issue when coach was 100deg inside I am as well, and plan to bring the Magnum charge controller into my system next year along with some solar. Safe travels
MNRon 07/20/21 07:37am Tech Issues
RE: Westinghouse i4500 Generator

Itinerant1- when you say “fault” with 15A limit, do you mean the red light comes on on the arc50 indicating a Magnum fault? If so, have you ever looked at the fault info using the ‘tech’ button? That’s what mine is doing, and fault info shows AC Overload with Vdc anywhere from 10.0v to 11.0v and a current draw around 400A. I don’t understand why the Magnum can’t simply add to the genny supplied power in load support like it does when attached to shore. But am leaning more and more towards a design issue on how the Magnum handles surge response from a generator (behaves proper when plugged into even a 20A outlet, just not with genny). Good news is that today it was only low 90s outside and I was two for two in starting one AC by: input amps at 27A, LBCO at 10.0v, VAC cutoff at 60v, generator running supporting charging, Magnum in load support, switch AC fan on ~1min before compressor. Turned off load support after AC running. Both times when it started I didn’t have the guts to stop it to experiment further :) Greatly appreciate the help you’ve been giving me. If when yours faults it flips on the Arc50 red light I’m pretty sure that I just need to add soft starts :(
MNRon 07/19/21 11:23pm Tech Issues
RE: Westinghouse i4500 Generator

Itinerant1- do you recall prior to installing soft starts if your ‘hit and miss’ performance running your ACs ever resulted in an AC Overload on your inverter with ~400A type draws that I’m seeing?
MNRon 07/19/21 06:45pm Tech Issues
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