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Author Topic: Hide Site/Bug out Site construction thread, Part 3  (Read 130740 times)

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Offline Flyin6

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Don, did you say that this was for your water storage? I would assume you'll disassemble to transport?
Yes it is. It will house two 330 gallon "Tote" water tanks

The structure breaks down for transport to the site, yes
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Offline Flyin6

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I used an overlap and some sealer/adhesive on the second panel

I always thought you screwed the ridge top not the valley?
Well, maybe you do!
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Offline Flyin6

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Well, time to build the solar collectors

Remember the boxes that were built some time ago?
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Offline Flyin6

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There will be a plenum in the bottom for the cool air, and one at the top for the warmed air
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Offline Flyin6

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Aluminum is a good conductor of heat, and the stuff heats up PDQ as well. I selected aluminum downspout for the elements which will (when painted black) get as hot as the dickens and heat that enclosure containing the water
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Offline JR

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Good idea and cheap! Tried the rustoleum 15 dry time paint on it? Getting to really like that stuff.
« Last Edit: January 11, 2017, 09:25:16 PM by JR »
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Offline Flyin6

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The heat collector grid measures 32" X 35.5" for a total of 7.88 sq ft.

Two collectors yield 15.77 sq ft of heat collection.

From what I have read, the normal delta for a collector of this type is around 70 degrees. So if I'm pulling in air at 28 degrees for example, the output during the direct sunlight time will be 98 degrees. I have seen some designs put enough heat out to actually melt plastic! These things work!

I am creating two different designs for experimentation purposes. One will use seven tubes and have a slanted design. The other will have a staggered arrangement of tubage and feature eight tubes
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Offline Flyin6

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Good idea and cheap! Tried the rustoleum 15 paint on it? Gettin to really like that stuff.
I'm painting them tomorrow, I'll use the rusto stuff.
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Offline Flyin6

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To keep the heat concentrated in the box and on the tubes, I insulated the collector box with R6 1" thick, high temp thermo board
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Offline Flyin6

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To seal the plenum ends, I created bulkheads from 3/4
 pine board
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Offline Flyin6

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And I got reacquainted with my dad's band saw. It took forever to cut out all those holes
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Offline Flyin6

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Then the radiator grid section was assembled
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Offline Flyin6

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Then that was fitted into the collector box
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Offline Flyin6

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Then some more insulation
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Offline Flyin6

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And part of the finished unit...Dog refuses to get out of the way!
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Offline Flyin6

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Then, the staggered design box was assembled
« Last Edit: January 11, 2017, 09:23:31 PM by Flyin6 »
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Offline JR

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Looks great and a thought just came to me.

What if you ran a water pipe along the top where the heat comes out? Just a simple 1/2 alum (great heat transfer) to heat the water in one system?
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Offline Flyin6

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Here is the slanted tube collector fitted to the structure
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Offline Flyin6

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Looks great and a thought just came to me.

What if you ran a water pipe along the top where the heat comes out? Just a simple 1/2 alum (great heat transfer) to heat the water in one system?
Ya know, JR, I was thinking the same thing
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Offline Flyin6

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Dog still hasn't moved!
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Offline JR

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Love to see this thing work. Do you have one of those hand held no touch thermometers? I use them for all kinds of stuff.
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Offline Sammconn

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Very interested to see these work.
And if you get them there in the cold.
Some sub freezing info I'm very interested in.

I just don't want to wind up missing a digit or limb.  I can sometimes get in a hurry to get results.
Sam

Offline JR

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With the sun low this time of year the side mount should work great. Can it pivot to face the sun better or a solid mount?
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Offline Flyin6

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Love to see this thing work. Do you have one of those hand held no touch thermometers? I use them for all kinds of stuff.
JR, I was actually going to instrument the thing
Take multiple temp readings
Collector intake
Collector discharge
Enclosure temp
Ambient temp
Water temp
and a quoffee maker...
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Offline Flyin6

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Very interested to see these work.
And if you get them there in the cold.
Some sub freezing info I'm very interested in.


The design I am copying to some extent I got from a fella living near the hills in Wyoming. The collectors actually heat his shop in the winter months to 60's with below zero outside
I'd post a link, but I don't have cause I made it up!
No, seriously that's where I picked it all up, and it had been working for this gentleman for a number of years
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Offline Flyin6

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Very interested to see these work.
And if you get them there in the cold.
Some sub freezing info I'm very interested in.


The design I am copying to some extent I got from a fella living near the hills in Wyoming. The collectors actually heat his shop in the winter months to 60's with below zero outside
I'd post a link, but I don't have cause I made it up!
No, seriously that's where I picked it all up, and it had been working for this gentleman for a number of years
With the sun low this time of year the side mount should work great. Can it pivot to face the sun better or a solid mount?
Well, I decided to just build it in on the vertical then document efficiency. I think these two collectors are enough to slight overkill. In the higher angle summer, they will be covered and not used so the vertical works for that season even better
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Offline EL TATE

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Fine work Don. I'm very impressed that you could hand cut those holes on two boards and have them line up so well. Sure you didn't miss your calling as an Amish furniture maker?
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Offline Flyin6

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Fine work Don. I'm very impressed that you could hand cut those holes on two boards and have them line up so well. Sure you didn't miss your calling as an Amish furniture maker?
Believe me, my friend, it's not all that purdy!
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Offline EL TATE

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well mine would have been so far off you'd have to bend the tubes to get it to line up. at least for the 1st 2-3 attempts.
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Offline Flyin6

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well mine would have been so far off you'd have to bend the tubes to get it to line up. at least for the 1st 2-3 attempts.
I live with the blessing of old age, a state where you occasionally cut things straight (But not often)
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Offline rpar86

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Am I the only one that uses Makita drills? lol  Have a Dewalt table saw and 12" sliding compound. 

Don, cutting those holes with a jigsaw might have been quicker :)
Ryan
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Offline Flyin6

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Am I the only one that uses Makita drills? lol  Have a Dewalt table saw and 12" sliding compound. 

Don, cutting those holes with a jigsaw might have been quicker :)
Left the jig saw batteries down at the farm :-(
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Offline Flyin6

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Didn't work on it past two days, so don't ask!
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Offline Flyin6

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But I worked a bit on it today!

First up I pulled the heat collector grid and sealed them with silicone
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Offline Flyin6

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After that set up some, I gave the heat sink part a squirt of flat black paint. THis time I used a large can of Rustoluem on each collector
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Offline Flyin6

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Then after allowing those to dry for just long enough that only some of the paint got smeared onto my favorite ARMY T-Shirt, I married them back up with their housings
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Offline Flyin6

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The plan is to paint the aluminum parts, but leave the aluminum foil in the center section exposed so that a small bit of light might get reflected onto the backside of the tubes, hopefully increasing efficiency
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Offline Flyin6

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Next I laid a thick bead of polyurethane expanding foam onto the top surfaces, then pushed the poly-acrylic plastic into the gooey mess. This step both bedded the plastic panes nicely, and put the finishing touches of destruction to my fav T-Shirt!
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Offline Flyin6

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Second unit followed suit
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Offline Flyin6

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I'll be ordering several small blower motors such as you'd find in your desctop computer. I found a few that are less than 5" in diameter that are 12 volt and push over 100CFM of air. Two of those in each collector with corresponding holes for the outlet should do the trick

After trimming these collectors and painting them green to keep the hippies happy, I'll get inside the unit and place the insulation all over creation. Following that, I only have hinges, cutting access for the 4" fill/collection pipe, and finding a spot and setting up the pump board
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Offline Flyin6

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Oh yea, forgot to mention. I'll file down the foam once it sets up and send the filings to some tree huger in California, claiming it is the crematory remains of some flower child that went out while chewing too many mushrooms. They'll spread it dutifully in some recently filled local reservoir and JR will eventually taste it in his drinking water!

Life is good!
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Offline JR

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Yep that foam gets everywhere, but I doubt quit this far with Dons shirts in the way.
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Offline Wilbur

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Don that looks really great. Any thought to mounting the top with a hinge? Then you cold angle them to maximize solar heat in the winter then let them close back up in the spring past freezing weather. I'm very interested in your temp results.

Offline dave945

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that looks pretty sweet, I'm really interested on your temperature differentials when all is said and done since I'm only a few.miles north of you.

Dave

Offline Flyin6

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Don that looks really great. Any thought to mounting the top with a hinge? Then you cold angle them to maximize solar heat in the winter then let them close back up in the spring past freezing weather. I'm very interested in your temp results.
Wil, like I've said before the expectations for these, my first solar heat collectors are low...Just keep the water tanks from freezing in the winter, nothing more

But I have started something here which I will be expanding on

I see some more solar collectors to warm the underside of the camper, thereby reducing heating needs inside
I see a panel or two warming 50 gallons of water so I can take my very necessary "beauty-bath."
I want now to incorporate several of these passive collectors into the top side of the "Shed" to make hot water and help heat that thing during the cold months, and perhaps one or two heating the underside of the shed once I skirt that thing off to warm the floor and hopefully radiate a couple of degrees of BTU type warmies into the shop of the shed.
I want to add a year-round green house, dome type with a central fish tank. I thought I might use a collector or similiar technology to warm that and keep the water up around 70F
By the time I add my proper home, likely a partially buried log home, I'll incorporate lots of technology into the design to take advantage of low angle winter sunlight

But as for hinged top: Nope.
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Offline Flyin6

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that looks pretty sweet, I'm really interested on your temperature differentials when all is said and done since I'm only a few.miles north of you.

Dave
Should have it installed early in Feb, so we'll know soon.
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Offline JR

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A greenhouse could be a big solar heater all on its own.
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Offline dave945

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that looks pretty sweet, I'm really interested on your temperature differentials when all is said and done since I'm only a few.miles north of you.

Dave
Should have it installed early in Feb, so we'll know soon.

I'd offer to lend a hand, but I'm afraid I'd end up face first in the back of your truck with my head in a gunny sack to keep the location secure.  That being said, I'd probably still be willing to help if you needed it, I'm a little odd like that.

Dave

Offline Flyin6

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that looks pretty sweet, I'm really interested on your temperature differentials when all is said and done since I'm only a few.miles north of you.

Dave
Should have it installed early in Feb, so we'll know soon.

I'd offer to lend a hand, but I'm afraid I'd end up face first in the back of your truck with my head in a gunny sack to keep the location secure.  That being said, I'd probably still be willing to help if you needed it, I'm a little odd like that.

Dave
I run the local security ministry where I am teaching a bunch of folks stuff like you just described. If you showed up, we may treat you as a training aid!
Dunno, it'd be fun for us!
Wanna show up at a training session?
Think about it... ;-)
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Offline Flyin6

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With the foam all properly hardened, I sanded down the edges and shaped the collectors up s little better
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