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Tech Talk / Re: Repair or replace Dometic NDR 1292 with residential
« Last post by ArdraF on Today at 06:05:00 PM »
Gary, for what it's worth - back when dinosaurs roamed the earth - our first motorhome refrigerators had three energy sources: propane, 110 and 12 volts.  We don't recall the 12 volt part as being very impressive.  We used it when there was no other alternative.  Does the 12 volt refrigerator have a compressor?  If it does, Jerry thinks it would take more generator power (and/or solar) to generate enough heat to run the compressor.  You'd have to find out more about that.  There's a reason the manufacturers moved away from 12 volt and I suspect it's because they weren't that great and people stopped wanting them.  Propane is probably a lot more efficient and cools better than 12 volt.

ArdraF
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Remodeling your RV / Re: Interior lighting sources
« Last post by PancakeBill on Today at 05:58:00 PM »
Looking at Oil Rubbed Bronze now, bought some paint, will test spray something, see how it looks, but having heck of a time finding something we want to change to.  Will be in Quartzsite next week, will hit Gamblers.

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Tech Talk / Re: Repair or replace Dometic NDR 1292 with residential
« Last post by garyb1st on Today at 05:37:38 PM »
Debra, thanks for the response.  I'll take a look at the Nova Kool.  But at $1876, it's almost twice as much as the Unique being sold by Costco.  I'd sure like to know why they're so much more. 

Are your batteries 6 volt?  If so, you have a total of 440 amp hours at 12 volts.  According to the Unique website, the one advertised by Costco runs on less than 100 amp hours a day.  That would discharge our two 6 volt batteries quite a bit and we wouldn't have much left for computing or watching TV.  So it might work on two but four is what I'd want.  The site also says, 200 to 250 watts of permanent solar is the minimum to keep it powered. 

Unless I get some positive feedback on 12 volt fridges, I'll continue looking at the residential. 

 
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General Discussion / Re: Rv park snobbery
« Last post by Gary RV_Wizard on Today at 05:35:01 PM »
Picketers out front and an endless tirade on FB.
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General Discussion / Re: Rv park snobbery
« Last post by SargeW on Today at 05:26:55 PM »
Really Bob? There are XXX RV parks?  They must be in Nevada.

Whew. I thought I was the only one that came up with the connection!
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General Discussion / Re: Fifth wheel tires
« Last post by FastEagle on Today at 05:26:21 PM »
If you do jump up to a G rated tire from a E rated tire make sure your rims are designed for the additional air pressure. Some 16" rims are only designed to handle 85 psi and the G rated will take 110 psi. It should be stamped on the inside of the rim.


Just a random question. When you say your axles are 6000# are you quoting that from the tag on the axle or the certification label on the trailer?


With a trailer your size you must have a maximum hitch weight in the 4000# range. That would only require 5200# - 5400# vehicle certified axles. Back when that trailer was built, it was very common for the manufacturer to use 6000# axles and derate them to comply with vehicle certification minimums.


Michelin tires are notorious for sidewall cracking. They will not cover them with the warranty if the cracking is weather related. I'd look for something in your size with Kevlar sidewalls. 
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Tech Talk / Re: Repair or replace Dometic NDR 1292 with residential
« Last post by Back2PA on Today at 05:23:26 PM »
Gary, it sounds like you use a fair amount of 120V aside what the fridge would use, so I gather part of the solar equation for you is simply trying to get away from the genset to a degree. Because it doesn't sound like you're ready to put a full-fledged 7-900 ish watt system on the roof (plus 4 batteries, a 2000+ watt inverter and a battery monitor) I still think a gas fridge is the answer. At least you don't have the fridge sucking 100AH/day, and you can address your other power usage with a much smaller system. Plus you can get the fridge working now, and address the rest without the pressure of needing an immediate solution. That said, even with a big solar system, you're going to need some genset time for charging based on your usage (but much less).
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The Shade Tree / Re: Alternatives to CPAP
« Last post by Tom on Today at 05:18:57 PM »
Aye donn, the choice of mask makes a big difference. My wife and I were both unhappy with my first CPAP machine and mask. They sat in the closet unused for a number of years. When I eventually went back through the process - sleep study, new machine and nose pillows instead of full mask, Chris kept checking on me in the night because she'd never seen/heard me sleep so soundly.

I know the next day if I slept well, because I'm not tired and don't want to fall asleep.

Lowell, you might just need to try different styles and sizes of masks.
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Motorhomes / Re: TOAD Question
« Last post by Blues Driver on Today at 05:14:27 PM »
Interesting choice on the Z3.  We have a 2016 Challenger and a 2010 Z4 M, thought about doing either one, but eventually ended up with a 2010 HHR.  (automatic and flat towable, and a really nice one is about $5k) The wife wouldn't allow the Challenger to be towed, and in the end I couldn't see towing a Z4M behind the motorhome.
I don't know about the Z3's, but the Z4 under carriage is completely enclosed with a full length belly pan. Just draining the oil requires removing a trap door. It would be fun doing the drive line. The HHR really turned out to be a pretty flexable Toad.  We can put both road bikes in the back standing up, all sorts of other "gobbdly goop" as well.  It even does fairly decient when the road ends, well, to a point.

Okay, what's an HHR?
Pat
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Tech Talk / Re: Repair or replace Dometic NDR 1292 with residential
« Last post by Debra17 on Today at 05:08:03 PM »
I have been doing some reading about the Nova Kool 12v units. They use the same Dan Foss compressor as the Costco unit you linked to. According to the spec sheet on their website they draw about 5.2 amps. So for 24 hours of run time that would be about 125 amps. If it ran for 80% of the time over a 24 hour period that would be about 100 amps. I believe they are used a lot in marine applications. One plus is they are sized to be drop in replacement for Norcold/Dometic units.

Backwoods Solar lists the RFU9000 at $1876 on the website. They also state that adding 2Ē of rigid foam insulation on the rear wall cuts the power consumption in half.

I have four 220 amp hour batteries and currently have very low electric usage. So I think I could run this on my 4 batteries. I donít think I would try it with 2 batteries.

I would be interested in hearing if anyone has firsthand experience with the Nova Kool.
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