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Author Topic: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition  (Read 10786 times)

WoodMOJoe

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #15 on: November 05, 2013, 02:02:04 PM »

Some progress to report, hx is now installed in plenum.

My plenum is about 19 3/4 x 19 1/2 inside dimensions so I went with a 19 x 20.  Cut a 3 1/2"+ slot and made a couple of shelf angles out of some 26 ga. Galvalume, these were attached to the inside of the plenum walls to carry the coil.  Also, made a couple of angles to enclose the exposed 1" or so of coil that projected out the front face of the plenum.

Backhoe should be available within the next couple of weeks, then I can get serious on this project.
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Southwest Missouri Ozarks...USA

WoodMOJoe

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #16 on: November 19, 2013, 02:05:30 PM »

Here's some pics of my underground install.  It's Badger 5-wrap inside of 6" SDR35 bell-end gasketed PVC.  Top of 6" pipe is about 24" down with about 6" clean crushed limestone under it, and about a foot over the top, then about a foot of dirt over that.

I used a 3 1/2" core bit to go through the 8" concrete wall, of course I found and hit a piece of 1/2" rebar DEAD CENTER of my hole.   :bash:

A 3" Sch40 PVC pipe fits that 3 1/2" hole (with a little persuasion), then I got an adapter to go from 3" Sch40  to 6" SDR35, worked slick. 

I had to take some of the 5-wrap off to get the 2 1" pex lines through the 3" sleeve through my basement wall.  I also removed the black perf tile on the end at the furnace and curved the insulated pex lines though a couple of 6" SDR35 45 degree bends to get it out of the ground.

I pulled some 12/2 Romex though the black perf tile using the provided pull string, and I also ran an empty 3/4" conduit for a just-in-case.

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dave_dj1

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #17 on: November 19, 2013, 04:15:53 PM »

Sweet! :post:
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Fourced

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #18 on: November 20, 2013, 06:47:58 PM »

Do you have any pics of the inside? I am curious what you did with the flue opening.
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WoodMOJoe

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #19 on: November 20, 2013, 08:32:47 PM »

Do you have any pics of the inside? I am curious what you did with the flue opening.

I had a bunch of pics of the construction process that I lost in a hard drive failure.   :bash:

The flue opening extends horizontally into the firebox about 8" off the back wall.
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WoodMOJoe

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #20 on: November 21, 2013, 07:26:33 AM »

Here's a couple of pics of my "foundation".

4" thick slabs of Carthage limestone...price = $0.   :thumbup:



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WoodMOJoe

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #21 on: November 21, 2013, 07:29:37 AM »

And the unit when first placed on the foundation.


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Fourced

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #22 on: November 21, 2013, 05:55:21 PM »

I am currently looking for a solution for my boiler, if I don't cover the flue to some extent I lose a ton of heat. I made a plate that forces the smoke down and out, so far I have burned up a 1/4 plate and have done major damage to a 1/2 plate. I am trying to design a new plate for this winter. My horizontal pipe is 8", a 90 would be expensive.
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WoodMOJoe

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #23 on: November 21, 2013, 06:31:49 PM »

I am currently looking for a solution for my boiler, if I don't cover the flue to some extent I lose a ton of heat. I made a plate that forces the smoke down and out, so far I have burned up a 1/4 plate and have done major damage to a 1/2 plate. I am trying to design a new plate for this winter. My horizontal pipe is 8", a 90 would be expensive.

I remember you talking about the insert plate in your thread and wondered how it had worked out.  Please post a pic when you figure out what you are going to do and let us know how it works.

Sounds like something I will probably need to try eventually on mine...IF I ever get it going.   ;D
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hondaracer2oo4

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #24 on: November 21, 2013, 06:54:26 PM »

Fourced, you could take a section of 4x8 box, weld up a cap on one end, torch out an 8 inch hole for the box to slip over the horizontal flue pipe and then weld it up so that the smoke has to reach the bottom of the stove in order to get into it to head out the flue.
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WoodMOJoe

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #25 on: November 24, 2013, 06:25:21 AM »

My outside line connections.  Return goes in high towards the front of the water jacket, supply comes out low on the rear:





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WoodMOJoe

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #26 on: December 01, 2013, 06:32:14 AM »

Framing for the enclosure:



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hondaracer2oo4

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #27 on: December 01, 2013, 07:35:49 AM »

Holy Moly! You didn't screw around with that enclosure! Looks like some sort of bomb enclosure, that thing is awesome. You must have had a lot of scrap steel laying around. I am always trying to find steel.
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WoodMOJoe

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #28 on: December 01, 2013, 08:13:55 AM »

Yeh, I have hundreds (thousands more likely) of feet of various sized steel members "in stock" around here, from constructing steel buildings.  It is all 16 ga. 4x2 cees, open channel and angles.  And again, the price tag is $0.00.   :thumbup:

The roof and north wall will extend about 4' from the front of the furnace, planning on mounting my controls on the extended north wall for easy access.
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Wood Nutt

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Re: Homemade "Tank-in-Tank" OWB-Ozarks Hillbilly Edition
« Reply #29 on: December 01, 2013, 08:19:52 AM »

No "show me" for that Missouri fellow.  Looks great.

I can't believe what is thrown away on construction sites these days.
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What this country needs is less dirty minds and more dirty fingernails!
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