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Old 11-12-2007, 12:00 AM   #29
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Lew and 2air,

Thanks so much for your suggestions and very helpful/entertaining links. Many childhood memories were brought to mind. It was interesting to read about the varied cultural/regional views about food.

I did not think about using my long forgotten pressure cooker of the 70s. I am looking forward to experimenting with it to reduce the cooking time for various Chinese dishes.

Technical question: As an alternative to propane, while dry camping/boondocking with solar panels on the trailer in full sun, can a 12v crockpot be used during the day without effecting the trailer's battery charge?

Larry
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Old 11-12-2007, 12:15 AM   #30
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Originally Posted by Fenghuang
..As an alternative to propane, while dry camping/boondocking with solar panels on the trailer in full sun, can a 12v crockpot be used during the day without effecting the trailer's battery charge?Larry
no.

most 12v crocks are 10-20 amp units, around 150-300 watts i think.

so the solar systems would need to collect and transport and store THAT much energy at the same rate of usage...

which is a LOT relative to most rv appliances. (the ac and microwave draw more)

otoh with enough batteries (like 6) and 4-600 watts of panels, one could manage, maybe.

lots of these 12 gadgets are available in the big truck stops...

but keep in mind the truckers may be driving or idling the big diesel during usage.

the great thing about pressure cookers is dishes that take many hours can be finished in 15-50 minutes.

steam pressure cooking is great for meats, taters, roots, veggies, beans, legumes, stews and so on...

you can even wet bake breads and cakes.

of course IF you really have great sun exposure a 'solar oven' will work...

it's a treehuggergranolaberkenstockthing , check them out!

The Solar Cooking Archive

Solar Cookers International (How Solar Cookers Work)

cheers
2air'
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Old 11-12-2007, 09:23 AM   #31
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Coleman offers a crock pot, however, the reviews on it are mixed. My solution for this type of cooking is either the pressure cooker or the dutch oven on top the burner set low. Whatever route you go using propane to cook, you are going to go a long, long time on your house propane between refills.
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Old 03-31-2008, 12:42 PM   #32
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Boondocking with Propane

Hi All, we are in Orcas Island, WA Orcas Island WA .Com-Orcas Island Washington

How long does it take for a honda 2000 to recharge the batteries to run a Propane Heater through the night?



Learned something last night. You need decent batteries to run the Propane Heater. If not, the Detector Honks. It does this at 0200 probably on purpose. Every stay in an Airstream with a Border Collie when it is 32 degrees outside and a detector alarm honking.

The manual said it not a leak but a fault due to low voltage.

Now that it is day time, we are going to hook up the 2 Honda's 2K and run for a bit. I think the problem is we drained our batteries too low. We bought the coach used. The batteries are 3+ years old and I think they may need help.

I am typing from an Internet Cafe so I will probably check in a bit.

Take care and we promise to have fun.


John
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Old 03-31-2008, 02:16 PM   #33
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hi john

here's my basic and limited understanding....

the gen set will need to run for 6-8 hours at least to get the batteries above 80% charge...

2 batteries at 80%+ will usually handle 2 nights of the furnace fan power needs...

IF the batteries are weak/failing from sulfation or lack of maintenace or full discharge too often...

then even running the genset ALL DAY may not get them well charged.

here is a recent thread on this issue of weak batteries.

http://www.airforums.com/forums/f449...ies-40614.html

the converter IN the a/s controls/limits voltage to the charging batteries and that partly determines HOW LONG IT TAKES to recharge them.

the honda dc charge cable style B (part#32650-892-003) , can connect the gensets DIRECTLY to either battery at the posts.

by-passing the a/s parallax oem charge/converter, this MIGHT charge the batteries faster...

it's a 12$ accessory and nice to carry IF recharging the tv battery, but u don't wanna take this approach often with the deep cycle trailer batteries.

buying new batteries WHILE ON A CAMPING TRIP, is usually expensive and with LIMITED options...

so try adding distilled water to the batteries and several LONG sessions of charging with the gensets...

then sort out NEW batteries back home and with better online access.

i like the lifeline agms because of less maintenance, and venting and more potential to take abuse...

but they are expensive.

wow orcas island, one of my favorite camping, biking, eating, doing nothing spots on the planet.

that's one lucky dog traveling with you!

cheers
2air'
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Old 03-31-2008, 02:41 PM   #34
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Battery Temp is also an issue

I had a similar experience over the winter which is described here http://www.airforums.com/forums/f448...e-37921-2.html
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Old 03-31-2008, 05:33 PM   #35
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It is generally NOT a good idea to charge your trailer's batteries directly from your generator. You will be putting 12VDC directly into your batteries without any regulation for amperage or voltage.

Just connect the generator to your shore power input plug and let the on-board converter do it's job and charge your batteries properly. (Hopefully, you have a 3-stage charger in your converter......if not, you should seriously think about obtaining one soon!)
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Old 03-31-2008, 06:45 PM   #36
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Things are looking up

thanks Guys,

Kind of funny and not in a haha way how much you can learn about this stuff. Decided to go with new batteries. They had the exact ones in a great shop, 75 bucks a piece. I was surprised. Went with the interstate, figure if I get two years out of them, it will be worth it.

The island is great. Everything is working as it should. I put both 2000i on through the inverter and got a dimple of a charge on the old batteries. Had both batteries checked at the "auto-tech" car repair place, he said they were not holding a charge. The there guys were great. Would highly reccomend them if I could spell it.

Thanks for the guidance. We are back on track and the loud chirp was not the last sound before the propane tanks blew. Did I mention it was 32 degrees last night. The only one warm was the dog.
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Old 03-31-2008, 07:44 PM   #37
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good job john!

i'm sort of surprised that you found the right batteries on the island...

otoh with all of the boats in east harbor, deep cycle marine batteries SHOULD be very available.

now with fresh new batteries u should be able to run the gen sets for 2 hours every day or 4 hours every other day...

hey are u in moran state park?

take a bike ride UP mt constitution for me, ok...

and where are the pictures?

cheers
2air'
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Old 03-31-2008, 09:15 PM   #38
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We have averaged about 3 weeks per 30# tank through the winter, but that is only running the catalytic heater at night 2-3 nights per week when it got under 50 degrees. We also are running the LP water heater, along with some stove use, and occasional fridge operation.
An LP cat heater will seriously extend battery life in cold weather, as it has no fan, and uses no power. Our cat has two bricks, and I used only the single brick almost exclusively, lighting both caused it to get way too warm in here (31' coach).
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Old 03-31-2008, 09:22 PM   #39
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Quote:
Originally Posted by overlander63
We have averaged about 3 weeks per 30# tank through the winter, but that is only running the catalytic heater at night 2-3 nights per week when it got under 50 degrees.
I used a space heater as my sole heat source this winter (ave nighttime low around 20-25) and averaged about one 30# every 5-6 days.
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Old 03-31-2008, 10:06 PM   #40
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That's one of the reasons that I installed the RV-500. You get as much hot water as you can use on a minimum of LP. I camped for 3 months in Hood River, OR last summer and only used one 30# tank for hot water AND grilling.
It's great when you don't have to heat all of that water constantly.
Lewster, I'm seriously considering the RV-500 to replace the old Bowen in my '75 Ambassador. I have heard about these systems and they seem great with few downsides but it's rare to find someone who is actually using one. Are there any threads where you may have shared your experience with a tankless on demand system? Many thanks.
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Old 04-01-2008, 07:12 AM   #41
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Originally Posted by monocoque
Lewster, I'm seriously considering the RV-500 to replace the old Bowen in my '75 Ambassador. I have heard about these systems and they seem great with few downsides but it's rare to find someone who is actually using one. Are there any threads where you may have shared your experience with a tankless on demand system? Many thanks.
Hey Todd,

I don't recall if I posted my useage experiences, but I have been using an RV-500 in an RV since 2000, an have NEVER had a single issue with them. I like them so much that I became a dealer for them.

Any questions? Fire away!
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Old 04-01-2008, 12:15 PM   #42
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Hey Todd,

I don't recall if I posted my useage experiences, but I have been using an RV-500 in an RV since 2000, an have NEVER had a single issue with them. I like them so much that I became a dealer for them.

Any questions? Fire away!

Lew, I'm glad I found a RV-500 user! I have been exploring replacement possibilities in my '75 model here: http://www.airforums.com/forums/f445...dor-40764.html Several posters in that thread suggested I contact you and I just got lucky and happened to find you here. I'm not sure if a discussion of the RV-500 and the on-demand systems is okay in this thread and with Rodney's theme of propane usage during boondocking? But briefly, my first concerns are about mating the RV-500 dimensions with the older Bowen. What I'd hoped to do is build a discussion in a thread devoted to this topic, perhaps in the context of an actual replacement, and assessing the pros and cons of these systems.
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