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Search: Posts Made By: CrankyDoug
Forum: Conservation 09-19-20, 01:26 PM
Replies: 8
Views: 800
Posted By CrankyDoug
Ah, solar! I missed that part. I am currently...

Ah, solar! I missed that part. I am currently working on the load limiting problem as well. I agree it would be helpful to have remote monitoring capability if you aren't always home. I rarely...
Forum: Conservation 09-18-20, 04:13 PM
Replies: 8
Views: 800
Posted By CrankyDoug
I've never done the numbers or even bothered to...

I've never done the numbers or even bothered to google it, but for those of us that work for a living there must be some carbon penalty for earning a living. Petrol comes to mind. Whether the eco...
Forum: Solar Power 07-03-20, 10:24 AM
Replies: 2
Views: 858
Posted By CrankyDoug
Perhaps I am missing something. You have solar...

Perhaps I am missing something. You have solar panels facing in two directions, mounted to a single pole such that a 5mph wind will result in rotational oscillation from vortex shedding. I estimate...
Forum: Other Improvements 03-04-20, 06:02 PM
Replies: 6
Views: 1,640
Posted By CrankyDoug
A few ideas for your consideration: ...

A few ideas for your consideration:

https://www.youtube.com/watch?v=TL1HvJfID-4

https://www.youtube.com/watch?v=yTVVS5Sk5Zk
Forum: Conservation 02-26-20, 10:01 AM
Replies: 189
Views: 35,701
Posted By CrankyDoug
Gathering wind data over a year or two is good...

Gathering wind data over a year or two is good insurance against failure. About 40 years ago someone in our community put up a wind generator based on anecdotal evidence that "wind is always blowing...
Forum: Conservation 02-17-20, 06:50 PM
Replies: 27
Views: 6,563
Posted By CrankyDoug
The problem I see with all discussion of energy...

The problem I see with all discussion of energy production is that everyone wants more energy, with or without the consequences. Nobody in the public arena is suggesting that we use less energy to...
Forum: Solar Power 01-02-20, 12:12 PM
Replies: 24
Views: 5,550
Posted By CrankyDoug
I think I understand what you are trying to do. ...

I think I understand what you are trying to do. I'm still unsure how you are going to make this system undetectable from the grid. Here in GA if the power company sees PV's on the property they...
Forum: Geothermal & Heat Pumps 12-24-19, 01:04 PM
Replies: 8
Views: 1,355
Posted By CrankyDoug
Most A coils have a hole in the end of the frame...

Most A coils have a hole in the end of the frame to install the light inside the A. This is where I was told the light would be most effective. My system did not have an A coil so I put the bulb in...
Forum: Geothermal & Heat Pumps 12-24-19, 11:08 AM
Replies: 8
Views: 1,355
Posted By CrankyDoug
I've installed a few UV light systems in my heat...

I've installed a few UV light systems in my heat pump. I had to replace them every time we had a voltage dip or spike in the line. Finally gave up.

The ballast electronics in these devices have...
Forum: Renovations & New Construction 11-20-19, 04:42 PM
Replies: 1
Views: 1,366
Posted By CrankyDoug
I put a metal roof on my house nearly 20 years...

I put a metal roof on my house nearly 20 years ago and never regretted it. The panels are actually polyester powder coated, not painted. I used 2X4 pressure treated sleepers over the asphalt...
Forum: Renovations & New Construction 11-13-19, 12:52 PM
Replies: 3
Views: 1,902
Posted By CrankyDoug
Audible alarms work in some neighborhoods and not...

Audible alarms work in some neighborhoods and not in others. Poorly installed alarms are easy to defeat, even by amateurs. Most of the residential and commercial alarms I've had to deal with fall...
Forum: Renovations & New Construction 10-18-19, 06:34 PM
Replies: 3
Views: 2,716
Posted By CrankyDoug
Acrylic vs polycarbonate (Lexan) for storm windows

I have to make four removable storm windows for the skylight in my house. They are trapezoidal so there will be a lot of waste. I will need two 4X8 sheets.

Acrylic is less expensive than...
Forum: Tools 10-17-19, 12:24 PM
Replies: 6
Views: 3,612
Posted By CrankyDoug
I've purchased two of these. No problems so far....

I've purchased two of these. No problems so far. They are available in 30V or 60V and in various current ratings.
...
Forum: Tools 09-11-19, 11:17 AM
Replies: 22
Views: 4,280
Posted By CrankyDoug
Production line welding heads are sometimes...

Production line welding heads are sometimes watercooled. I've never seen a portable or stand-alone power unit with water cooling other than for TIG torches.

I am surprised there aren't any...
Forum: Renovations & New Construction 08-13-19, 05:45 PM
Replies: 59
Views: 14,187
Posted By CrankyDoug
I can attest to that fact. I put the largest...

I can attest to that fact. I put the largest filter/grill assembly I could find in the return air duct at my mom's house. I figured twice the area would allow me to use the best Filtrete on the...
Forum: Conservation 08-13-19, 04:54 PM
Replies: 189
Views: 35,701
Posted By CrankyDoug
Hard to say but not wanting to find out after the...

Hard to say but not wanting to find out after the fact. Perhaps what I need to do is talk to the assessor. That in itself poses some risk. I do know my neighbors have been gouged for small DIY...
Forum: Conservation 08-13-19, 02:18 PM
Replies: 189
Views: 35,701
Posted By CrankyDoug
Well my 6.4kW batch of solar panels is still...

Well my 6.4kW batch of solar panels is still stacked in storage. I'm still wondering how to put them up without the resulting property tax increase robbing me of any energy savings. The idea one of...
Forum: Geothermal & Heat Pumps 06-18-19, 08:11 PM
Replies: 2
Views: 1,449
Posted By CrankyDoug
I can offer some observations from my experience...

I can offer some observations from my experience with air dryers. Perhaps it will give you a place to start.

All of the refrigeration cycle air dryers I've worked with use flooded evaporators to...
Forum: Other Improvements 06-10-19, 06:26 PM
Replies: 5
Views: 2,359
Posted By CrankyDoug
The most cost effective way to get big double...

The most cost effective way to get big double pane windows is to buy sliding glass doors and build around them. I made the mistake of buying huge vertical slide windows because I thought they would...
Forum: Solar Power 06-05-19, 12:27 PM
Replies: 10
Views: 2,157
Posted By CrankyDoug
Hi Steve; I'm finding some conflicting...

Hi Steve;

I'm finding some conflicting reports about the switch.

https://runonsun.com/~runons5/blogs/blog1.php/solworks/est/enphase-iq8-update

As I understand it the IQ8 can run...
Forum: Solar Power 06-01-19, 02:17 PM
Replies: 10
Views: 2,157
Posted By CrankyDoug
I just looked at the IQ8 description on the...

I just looked at the IQ8 description on the Enphase site. They seem headed in the right direction. It requires a switch if you want to use your solar when the grid goes down, though Ron didn't...
Forum: Solar Power 05-31-19, 01:38 PM
Replies: 10
Views: 2,157
Posted By CrankyDoug
As far as I know all grid tie inverters sync to...

As far as I know all grid tie inverters sync to the grid and therefore shut down when the grid goes down. However, the safe-off methodology used in ebay (inexpensive) inverters may not meet NFPA70...
Forum: Solar Power 05-30-19, 05:57 PM
Replies: 10
Views: 2,157
Posted By CrankyDoug
Well you were right about the blocking diode...

Well you were right about the blocking diode being too simple. Blocking diodes don't block alternating current.

I don't know how things are up in MD but about a year ago several people here in GA...
Forum: Other Improvements 05-27-19, 04:06 PM
Replies: 12
Views: 3,954
Posted By CrankyDoug
Bulldog; Perfect timing. I tried to use the...

Bulldog;

Perfect timing. I tried to use the jet pump to flush some of the silt from the bottom. As soon as I stirred up the silt the orifice in the foot plugged. That was a week ago. We've...
Forum: Appliances & Gadgets 05-21-19, 09:24 PM
Replies: 23
Views: 4,282
Posted By CrankyDoug
I had a backhoe fuel tank with several pinholes...

I had a backhoe fuel tank with several pinholes in the bottom. Didn't notice them until I tried to clean the rust out. Mixed some marine epoxy and fumed silica (cabosil) to thicken it and poured in....
Showing results 1 to 25 of 102

 
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