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Search: Posts Made By: jeff5may
Forum: EcoRenovator Blog Discussion 04-10-21, 08:10 PM
Replies: 4
Views: 1,994
Posted By jeff5may
Solar thermal and PV is a good investment for us...

Solar thermal and PV is a good investment for us "small guys": individual and single family home dwellers. Nearly as good for retail store rooftops. Return on investment is usually pretty short...
Forum: Lawn and Garden 03-26-21, 03:08 PM
Replies: 1
Views: 425
Posted By jeff5may
Before you start throwing down anything, get a...

Before you start throwing down anything, get a soil test done. If you have desparately separate zones, test them separately. This is without a doubt the step most people forget or dismiss. How do you...
Forum: Solar Power 03-21-21, 09:46 PM
Replies: 5
Views: 475
Posted By jeff5may
Ok, don't hesitate to post it up on the other...

Ok, don't hesitate to post it up on the other thread whenever you do something with it. I'll sure offer any help I can. Most all of the inverter mini splits have muscles in them like front load...
Forum: Appliances & Gadgets 03-21-21, 03:43 PM
Replies: 18
Views: 1,273
Posted By jeff5may
I just went a couple of rounds with a...

I just went a couple of rounds with a mobo/processor/memory rig like that. I believe it was the same processor, maybe not the k version. Intel desktop board with a skull on it. The eyes light up to...
Forum: Solar Heating 03-21-21, 04:26 AM
Replies: 5
Views: 840
Posted By jeff5may
We finally got a clear day that wasn't windy. I...

We finally got a clear day that wasn't windy. I got the small one about whipped together today. A buddy had a bunch of wood shelving this week, and I grabbed half a truckload of it from him. So the...
Forum: Solar Power 03-21-21, 03:49 AM
Replies: 5
Views: 475
Posted By jeff5may
Check with a local electrician, different states...

Check with a local electrician, different states have different rules for what's gotta hookup how. Many wiring possibilities and only a few approved layouts. Plus it's high voltage utility power. I...
Forum: Solar Power 03-18-21, 01:08 PM
Replies: 56
Views: 60,614
Posted By jeff5may
I don't know why I didn't check on this thread...

I don't know why I didn't check on this thread over the years. I actually tried out a couple of experimental rigs using this principle, and they both worked.

The first setup was built in one day...
Forum: Solar Heating 03-13-21, 09:35 PM
Replies: 5
Views: 840
Posted By jeff5may
Nope, not trying to do a copper skeleton and roll...

Nope, not trying to do a copper skeleton and roll form or solder or both. If it was going on a roof, if it was meant to last 50 years, if I had a big budget... Maybe. Too high speed high cost for my...
Forum: Solar Heating 03-10-21, 05:57 PM
Replies: 5
Views: 840
Posted By jeff5may
Looking for a suitable design, I found one on...

Looking for a suitable design, I found one on builditsolar. They call it the MTD collector, short for modified trickle down.

https://www.builditsolar.com/Experimental/MTD/MTD.htm

There seem to...
Forum: Solar Heating 03-10-21, 12:29 AM
Replies: 5
Views: 840
Posted By jeff5may
Cheapest most effective solar thermal system ever

Due to a few armchair conversations with the masses, I've decided to build a few of the cheapest, most effective solar thermal collector panels ever. Here's the plan:

I did some research online...
Forum: Conservation 02-27-21, 11:55 PM
Replies: 6
Views: 746
Posted By jeff5may
Being the winter, now is the best time to get an...

Being the winter, now is the best time to get an infrared camera and hunt down the heat leaks. There was nowhere to rent one where I live, so I ended up buying a seek. Flir makes one now that is...
Forum: Conservation 02-27-21, 11:17 PM
Replies: 6
Views: 746
Posted By jeff5may
I moved into a fairly new house about 2 years...

I moved into a fairly new house about 2 years ago. I was having sticker shock the first winter. That month, I went to the big box store and blew up 8 inches of cellulose into the top floor attic. The...
Forum: Tools 02-10-21, 09:16 PM
Replies: 40
Views: 2,262
Posted By jeff5may
Nice! You got a steal on that one.

Nice! You got a steal on that one.
Forum: Other Improvements 02-10-21, 01:36 AM
Replies: 18
Views: 1,697
Posted By jeff5may
Ad hominem, hahaha now I really feel old! I...

Ad hominem, hahaha now I really feel old! I apologise if I hurt you somehow trying to offer practical suggestions. See ya round, good luck in your endeavors.
Forum: Other Improvements 02-09-21, 02:49 PM
Replies: 18
Views: 1,697
Posted By jeff5may
Next, the pv solar. Your sunpower panels are...

Next, the pv solar. Your sunpower panels are rated at 200 watts per square meter, peak output. Going with your 4 hours of sun per day, this gives you an average figure of 33⅓ watts per square meter....
Forum: Other Improvements 02-08-21, 09:43 PM
Replies: 18
Views: 1,697
Posted By jeff5may
I'm not the guy who will arm wrestle you in the...

I'm not the guy who will arm wrestle you in the armchair over a keyboard. Go ahead and believe the regional sales executive on salary vs commission, and the program they wrote to keep you from being...
Forum: Conservation 02-08-21, 01:46 AM
Replies: 3
Views: 1,693
Posted By jeff5may
Redox flow batteries have been around a long...

Redox flow batteries have been around a long time. They work. Problem is that they have low energy density and low current density. You can run lead-acid batteries this way. Just change the acid.
...
Forum: Other Improvements 02-07-21, 01:41 PM
Replies: 18
Views: 1,697
Posted By jeff5may
So much in one post to respond to, what next? ...

So much in one post to respond to, what next? The HRV.

You need to be using a dehumidifier or refrigerator compressor for the HRV for a single family home or smaller dwelling. The figure is for...
Forum: Other Improvements 02-07-21, 01:15 PM
Replies: 18
Views: 1,697
Posted By jeff5may
I'm repeating common, industry standard,...

I'm repeating common, industry standard, optimistic figures for your benefit. For example, the 25 watts per sqft figure is a well researched average daily value. The sun doesn't shine at 100% when...
Forum: Other Improvements 02-02-21, 11:39 AM
Replies: 18
Views: 1,697
Posted By jeff5may
Chemical energy storage is somewhat less dense...

Chemical energy storage is somewhat less dense than the source. Megajoules per kilogram is the metric. As expected, burning liquified petroleum gas is pretty dense, around 50. Liion batteries come in...
Forum: Solar Heating 02-01-21, 05:31 AM
Replies: 25
Views: 3,194
Posted By jeff5may
IamIan, Take a gander on this discussion group....

IamIan,
Take a gander on this discussion group. Geothermal forum. Probably half a dozen build threads where members have rolled their own. My favorites are Randy and Jake (randen, memphis). Randy...
Forum: Solar Heating 01-30-21, 05:52 PM
Replies: 25
Views: 3,194
Posted By jeff5may
Better hurry up before the dollar implodes. Your...

Better hurry up before the dollar implodes. Your retirement account might need another zero on it before you can retire. Mr president is already on with the rhetoric: more stimulus, more spending,...
Forum: Geothermal & Heat Pumps 01-19-21, 10:44 PM
Replies: 14
Views: 5,412
Posted By jeff5may
I had to go google for a minute to figure out...

I had to go google for a minute to figure out what a esp12 was. Doh, it's the same 8266, stripped down. Does it even have a status LED? For 3 bucks shipped to my house, anything more than an...
Forum: Geothermal & Heat Pumps 01-19-21, 10:36 AM
Replies: 14
Views: 5,412
Posted By jeff5may
Tyvm! I've been looking at the original version...

Tyvm! I've been looking at the original version for awhile now, I think I have a good grip on the overall operation. Haven't dug deep inside subroutines to see exactly where the rubber hits the road,...
Forum: Geothermal & Heat Pumps 01-18-21, 03:45 PM
Replies: 14
Views: 5,412
Posted By jeff5may
Ok so I decided to post in this thread as not to...

Ok so I decided to post in this thread as not to pollute the other, newer version thread.

I've recently been tinkering with more phase change monsters and have decided to have another go at the...
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