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Search: Posts Made By: gascort
Forum: Geothermal & Heat Pumps 01-18-15, 08:23 PM
Replies: 7
Views: 2,180
Posted By gascort
Idea: DIY Ground Source add on to Air Source Heat Pumps

How about a ground source assist system that acts as an air preheater (or precooler in summer) for existing air source heat pumps?
You could lay the pipe, as much as you could handle, DIY... you...
Forum: Solar Heating 03-13-10, 02:15 PM
Replies: 12
Views: 7,666
Posted By gascort
well, I've failed in the photo update department....

well, I've failed in the photo update department. The panel is going well and will hopefully be completed this coming Wednesday and we'll be able to test soon thereafter and see how it works. It's...
Forum: Solar Heating 02-26-10, 08:35 PM
Replies: 12
Views: 7,666
Posted By gascort
Thanks, Gary! I will check out the MTD idea; I...

Thanks, Gary!
I will check out the MTD idea; I think that's what we are doing.
**edit - I misunderstood - we're doing a gravity drainback, not an MTD - looks cool though.**

We started...
Forum: Solar Heating 02-24-10, 03:49 PM
Replies: 1
Views: 2,728
Posted By gascort
Very good idea, Ben. Starting early this year!

Very good idea, Ben. Starting early this year!
Forum: Solar Heating 01-25-10, 08:18 PM
Replies: 12
Views: 7,666
Posted By gascort
;) about the air pumping and rust! My ideas...

;) about the air pumping and rust!
My ideas for attachment of the sheet metal collector is to bend then drill bolts through, then tighten to clamp it down against the pipe. Labor intensive, but...
Forum: Solar Heating 01-25-10, 06:29 PM
Replies: 12
Views: 7,666
Posted By gascort
Good points about the thin galvanizing and the...

Good points about the thin galvanizing and the cost per square foot including insulation and cover, etc.
My radiator hoses in the car are exposed to 215+F temps often and seem to last quite...
Forum: Solar Heating 01-24-10, 08:13 PM
Replies: 12
Views: 7,666
Posted By gascort
How about using galvanized steel pipe?

...in a collector?
Copper obviously has its advantages. Pex seems to me like it would suffer from lower conductivity and the risk of damage with high temps in summer, etc.
You can buy a 10' 1/2"...
Forum: Conservation 10-26-09, 09:52 PM
Replies: 3
Views: 1,588
Posted By gascort
I recently had a "lifetime HVAC guy" try to tell...

I recently had a "lifetime HVAC guy" try to tell me it takes more energy to cool down (summer) or heat up (winter) a house than it does to just leave it constant.
I smiled, but didn't argue. I...
Forum: Solar Heating 10-19-09, 08:52 PM
Replies: 5
Views: 2,571
Posted By gascort
Thanks, Daox. lol - regarding the horribly...

Thanks, Daox. lol - regarding the horribly insulated.... your tatooine basement is not much better than my house - we have no insulation in many areas of our home and where there IS insulation, it...
Forum: Solar Heating 10-18-09, 07:48 PM
Replies: 5
Views: 2,571
Posted By gascort
Hydronic radiant heating?

Anyone made a DIY hydronic radiant heating system? Maybe one that uses solar energy?
Simply Radiant | Extreme How To, DIY - Do it Yourself, Home Improvement, Home Decorating...
Forum: Solar Heating 10-16-09, 10:53 PM
Replies: 25
Views: 47,593
Posted By gascort
Could you use Ethyl Alcohol as antifreeze? Not...

Could you use Ethyl Alcohol as antifreeze? Not sure what quantity you need, but it'd be fairly non-corrosive and very resistant to freezing. It would be non-toxic (well, depending on your...
Forum: Solar Power 09-27-09, 10:04 AM
Replies: 0
Views: 1,523
Posted By gascort
Those of you working in Alt. Energy field...

I have a Physics student interested in studying environmental engineering... he's primarily interested in solar/wind E, but everything in general. He's looking for engineering schools with good...
Forum: Solar Power 08-09-09, 11:29 PM
Replies: 4
Views: 6,127
Posted By gascort
The seller claims these are from evergreen solar,...

The seller claims these are from evergreen solar, made here in the U.S. No way of proving that, though...
Forum: Solar Power 08-09-09, 03:58 PM
Replies: 4
Views: 6,127
Posted By gascort
I emailed the seller, fred480V, to ask if he can...

I emailed the seller, fred480V, to ask if he can substantiate his claims about, "Made in the USA" and any other facts to help out with the reference of these cells.
Forum: Solar Power 08-09-09, 03:47 PM
Replies: 4
Views: 6,127
Posted By gascort
Ryland, good point; I apply working conditions...

Ryland, good point; I apply working conditions and manufacturing conditions to other purchases(even though I don't purchase much in general); this one should be no different.
Can you suggest some...
Forum: Conservation 08-09-09, 12:24 PM
Replies: 4
Views: 2,328
Posted By gascort
Very neat list! I, too, am suspicious about the...

Very neat list! I, too, am suspicious about the longevity of the latex. I will try the balloons before any other items.... might be awkward when gardening a year or two later.

I need a barrel...
Forum: Solar Power 08-09-09, 12:05 PM
Replies: 4
Views: 6,127
Posted By gascort
Ebay solar cells drop to $0.9 US per watt

eBay Seller: fred480v: Home Garden, Business Industrial items on eBay.com (http://shop.ebay.com/merchant/fred480v_W0QQ_nkwZQQ_armrsZ1QQ_fromZQQ_ipgZ)

The guy I bought my cells from (Fred480V) now...
Forum: Solar Power 08-04-09, 09:09 PM
Replies: 132
Views: 33,037
Posted By gascort
regarding the input voltage, according to the...

regarding the input voltage, according to the Enphase website, http://www.solarpanelstore.com/pdf/Enphase_M190_datasheet_preliminary.pdf
it says "peak power tracking voltage 22-40V"
Are you still...
Forum: Solar Power 06-01-09, 06:45 PM
Replies: 6
Views: 2,023
Posted By gascort
The kids finally came in outside of school to put...

The kids finally came in outside of school to put the cells together - they put 26 in series for a target output of 13V. They read almost 14V when they took them outside midday today, at almost 4A,...
Forum: Solar Power 05-14-09, 07:17 PM
Replies: 6
Views: 2,023
Posted By gascort
They/we knew how they worked, but the two leads...

They/we knew how they worked, but the two leads coming out of the cell was the killer... plus, the back side doesn't look as conductive as it is.
One tab / lead on the front wouldn't have played as...
Forum: Solar Power 05-13-09, 09:16 PM
Replies: 6
Views: 2,023
Posted By gascort
AHHHH! the front side of the cell is connected...

AHHHH! the front side of the cell is connected to the two tabs. The back side is all conductive. To put the cells in series, lay the next cell on top of the previous cell's tabs.
Cells work fine;...
Forum: Solar Power 05-13-09, 08:49 PM
Replies: 6
Views: 2,023
Posted By gascort
lol, only lightly scolded - $2.50 is a small...

lol, only lightly scolded - $2.50 is a small price to pay to teach the rest of his project group how fragile they are.
Luckily he broke the first one he touched; this way they will be veeery...
Forum: Solar Power 05-13-09, 05:22 PM
Replies: 6
Views: 2,023
Posted By gascort
Bought solar cells... can't get them to work!

I recently purchased a 100- pack of 3x6 inch 1.8w solar cells on Ebay.
link to the same item on Ebay...
Forum: EcoRenovator Blog Discussion 04-30-09, 08:38 PM
Replies: 11
Views: 2,999
Posted By gascort
Nice post indeed, Ben. I have a reel mower; I...

Nice post indeed, Ben. I have a reel mower; I really like it, and if I ever find my yard is too big or I'm not strong enough when I'm older, I will have to try the electric.
My brother is going to...
Forum: Other Improvements 04-24-09, 09:11 PM
Replies: 11
Views: 3,582
Posted By gascort
Yes, ALL of the ceiling slants, down to 4 foot...

Yes, ALL of the ceiling slants, down to 4 foot high walls that meet it.
Cayno?
Showing results 1 to 25 of 59

 
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