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Old 07-29-2006, 02:11 AM   #1
Ledbehind
 
2018 16' Sport
Great Falls , Virginia
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It's official - no converter or charger & I need advice

I have discovered that my '61 International Tradewind has no charger / inverter / converter. Just two 20A breakers for shore power and a 3EE farm implement battery for the 12v lights, h2o pump & fan-tastic fan.

I imagine I could boondock for several hours with that set-up

What kind of rig would be good to use for a inverter / charger for this application and how easy is it to install? The battery hangs on the outside front wall and the breakers are in the back "trunk"

Any and all advice would be appreciated

Henry
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Old 07-29-2006, 09:19 AM   #2
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. , AZ to Maine
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Hi,

Have you looked in the forums?
There is a section http://www.airforums.com/forums/f37/ about electrical systems. But you might also look under the type of Airstream you have and year. There are some very good restorations/customizations there that could help you out. You might also try the "Search" button.
Good luck.

R
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Old 07-29-2006, 09:27 AM   #3
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Quote:
Originally Posted by henrydahm
I have discovered that my '61 International Tradewind has no charger / inverter / converter. Just two 20A breakers for shore power and a 3EE farm implement battery for the 12v lights, h2o pump & fan-tastic fan.

I imagine I could boondock for several hours with that set-up

What kind of rig would be good to use for a inverter / charger for this application and how easy is it to install? The battery hangs on the outside front wall and the breakers are in the back "trunk"

Any and all advice would be appreciated

Henry
Henry,
You might want to shop for a converter/charger, and hook it into your electrical system.
The Converter/Charger needs 120V A/C input, and converts it into 12VDC output, with the capability to charge RV batteries while being plugged in.
There are many good brands available. I personally use the Intellipower 60A unit with charge wizard. It is very compact and light, and sems reasonably reliable, from what others have posted.
You will need to find a location inside your trailer for this, and then provide a 6-or8ga wire from this unit to your battery. ( or batteries)
There is some wiring involved, and a good layout of the future electrical system shold be made pefore purchasing comonents. You might need a 12V fuse panel as well.

Inverters convert 12VDC to 120V A/C.
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Old 07-29-2006, 09:37 AM   #4
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Henry ~

If you are going to add a charger/converter, I second Uwe's comment about the IntellePower with Charge Wizard. It was an easy install and I don't even think about it anymore. Kind of like the commercial "set it and forget it." You may also want to consider changing out your battery type to the common RV battery such as a Group 27 or an Optima. The only reason for saying this is if on the road and you need to replace your battery for some reason, a 3EE may be difficult to come by on short notice or in some locals. This way your battery and charger could be right next to each other under either the dinette or the couch. I can post pictures of my set-up if you're interested.

Brad
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Old 07-29-2006, 08:06 PM   #5
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1960 24' Tradewind
santa barbara , California
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Hello henrydahm ,you are correct ,that is all there is on that 61 .Mine is the same .I am using the 3EE battery and use a (float) charger to maintain it
connected to shore power.The 3EE is an industrial battery and are readily
available thru carquest stores and napa auto parts .Probably would not
have it at walmart or places like that.It is not the best solution and the
other charger ideas like uwes and Brads are more up to date for sure.
I carry a small portable battery charger in the trailer ,and the float charger
is connected directly into the wiring at the glass fuse panel.In addition
We bring the honda eu2000 if needed for boondocking as it charges the
12volt battery and provides shore power to the trailer as well .so for us
it works well .It seems the whole battery setup wether AMGs or optimas
so on and so forth still have big limitations on power reserves.ill run the honda
in the sticks or shore power at full or partial (no sewer) hookup sites.Going to the latest charger system is the best choice for upgrades ,but Im happy with
my setup so far it does the job.Im more into the vintage setups anyway
within reason of course .

Scott of scottanlily
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Old 07-29-2006, 08:13 PM   #6
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Quote:
Originally Posted by scottanlily
It seems the whole battery setup wether AMGs or optimas
so on and so forth still have big limitations on power reserves.ill run the honda
in the sticks or shore power at full or partial (no sewer) hookup sites.Going to the latest charger system is the best choice for upgrades ,but Im happy with
my setup so far it does the job.Im more into the vintage setups anyway
within reason of course .

Scott of scottanlily
Limitations, sure, but it is nice to have most of the trailer function virtually identical, whether on shore power or while off the grid. My dual battery setup lasts about a week for normal to stingy use, which includes fantastic fans, halogen lights etc.
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Old 07-29-2006, 08:26 PM   #7
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1960 24' Tradewind
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Oh no doubt about it uwe ,as i say the lastest like the charge wizard
with dual AMGs is the better setup .Mine is old school tecnology for sure.
but it works pretty good ,not perfect .that 3EE has stamina though as it
is not just a little car battery.Made for heavy duty use ,again not an optima
but so far I have yet to find any battery that is very superior above the rest
in long duration usage ,as they all discharge.

Scott
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Old 07-29-2006, 10:18 PM   #8
Ledbehind
 
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Great Falls , Virginia
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There You Have It!

Scott, Brad, Uwe et al,

I think I'll go with the Uwe / Brad set-up, Get the box off the front, put the batteries under the gaucho and voila` I have a place for a spare tire! (don't think I'll like the look of a big black blob there though). Brad, I've seen some pictures on your web site but I think I'll need an "easy reader" version of such a set up - I'll be in touch.

The expert level of technical advice on this forum truely amazes me Thanks!

Henry
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Old 07-30-2006, 07:04 AM   #9
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Like flyfshr, my setup is a 60A Intelipower with the Charge Wizard. I installed the unit right where the old Univolt used to sit (under the bed in my '72 Ambassador) and ran the Charge Wizard control box up to the wall near the bed reading light. Installation was easy and very commonsense. When I hook up my Yamaha 3000iSEB generator to the AS, I get a smooth charge to my battery and NO HUMMING. This is the best thing I ever did for my AS's electrical system.
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Old 07-30-2006, 08:40 AM   #10
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The 3EE option

Quote:
Originally Posted by scottanlily
. . . .I am using the 3EE battery and use a (float) charger to maintain it
connected to shore power.The 3EE is an industrial battery and are readily
available thru carquest stores and napa auto parts . . . Scott of scottanlily
Scott, does this battery fit into the battery box of our older TWs? I checked the dimensions on line and it looks close. Is it strictly lead acid and does it have to be watered? It sounds like the option I might go since I'm keeping it simple for now.
Dacia
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Old 07-31-2006, 02:24 AM   #11
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1960 24' Tradewind
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Hello Dacia,

Yes thats correct ,the battery Im useing ,the 3EE is narrow and long and fits
right into the front box under the window.There will be some wires in there
positive and negative ,white and dark brown ,heavy size wire.The dark brown is the + positive side ,the white is the - side negative.I used the marine style
battery clamps with the wing nuts for easy disconnection .Those wires go
into the trailer down to the glass fuses .Now you may have an extra wire
going down into the front out the lower connectors for tv 12 volt power.
Incidently ,I am using both separate wiring plugs as original .One is for the
12volt ground and power from tow vehical ,the other for running lights and
trailer brakes .Both recepticles are new replacements .As are the umbilical
harnesses .I like having both separate ,although not common as todays
standard setup .thats ok though.It is lead acid ,common still today,and
does have water in it .Most batteries still are made this way ,but sealed
and not all are ,as many look like it .You should not have to be messing with it and a small float charger keeping maintained works great.

Sorry for the long answer ,but I figured you might need the info .

Scott
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Old 07-31-2006, 08:31 PM   #12
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1960 24' Tradewind
1956 30' Sovereign of the Road
1963 16' Bambi
Southeastern Area , Tennessee
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Quote:
Originally Posted by scottanlily
Yes thats correct ,the battery Im useing ,the 3EE is narrow and long and fits
right into the front box under the window.. . . . .
Sorry for the long answer ,but I figured you might need the info .
Scott
Don't apologize, you were exactly right, I needed to know and I'd been having a hard time finding info about the particulars. This will be on my 'to do' list for next week. Thanks so much, Scott!
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