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Search: Posts Made By: jjackstone
Forum: Solar Power 03-18-20, 12:14 PM
Replies: 5
Views: 174
Posted By jjackstone
First thing I notice is that your inverter has a...

First thing I notice is that your inverter has a modified sine wave rather than a pure sine wave output. In general, things with motors don't like modified sine waves. Refrigerators, air...
Forum: Conservation 02-17-20, 09:58 PM
Replies: 29
Views: 4,108
Posted By jjackstone
Jimmy Carter was talking about lower energy use...

Jimmy Carter was talking about lower energy use 45 years ago. That's why the speed limit was dropped to 55 mph. Every president since then, except the current one, has repeated the same thing....
Forum: Solar Power 02-05-20, 11:47 AM
Replies: 2
Views: 435
Posted By jjackstone
Do you know how many watt-hours you use per mile...

Do you know how many watt-hours you use per mile of travel? On my old home made ebike I used between 10 and 15 wh/mile depending on how much I pedaled. So with 50 watts worth of panels if you were...
Forum: Conservation 01-25-20, 08:47 AM
Replies: 29
Views: 4,108
Posted By jjackstone
It's hard for governments to give up oil and gas...

It's hard for governments to give up oil and gas because of the revenue streams they provide not just in terms of for the country itself, but also padding their own pocket books. I've read that the...
Forum: Solar Power 01-07-20, 12:35 PM
Replies: 0
Views: 347
Posted By jjackstone
24M and Kyocera Batteries

I've been following the 24M company's solid state battery research and development for a few years now and it looks as though they finally have a valid product to place on the market in conjunction...
Forum: Appliances & Gadgets 12-16-19, 10:48 AM
Replies: 8
Views: 657
Posted By jjackstone
You might try the RC airplane world. I know they...

You might try the RC airplane world. I know they have wireless telemetry sensors but not to what extent they could help.
JJ
Forum: Solar Power 12-04-19, 10:19 AM
Replies: 20
Views: 2,818
Posted By jjackstone
By zero export do you mean that the power will be...

By zero export do you mean that the power will be automatically switched between the inverters and the grid as needed? I was wondering how long it would take for people to start doing this type of...
Forum: Renovations & New Construction 10-18-19, 09:20 PM
Replies: 3
Views: 1,265
Posted By jjackstone
Acrylic tends to shatter into shards if it...

Acrylic tends to shatter into shards if it breaks. Polycarbonate not so much. Lexan likely has better UV resistance also so should last longer in the sun.
JJ
Forum: Solar Power 10-10-19, 09:10 PM
Replies: 14
Views: 2,609
Posted By jjackstone
Funny thing is that I don't know where most of it...

Funny thing is that I don't know where most of it is going. I know my security system uses about ten watts. Probably a couple watts each on computers when they are in sleep mode even though the...
Forum: Solar Power 09-30-19, 10:27 PM
Replies: 14
Views: 2,609
Posted By jjackstone
Little Update. Been a couple months now...

Little Update.

Been a couple months now since I brought the system online. Things of note. My 2500 watt system has output in excess of 2600 watts a couple times. While I am not getting maximum use...
Forum: Conservation 09-22-19, 11:21 AM
Replies: 94
Views: 9,146
Posted By jjackstone
And if Tesla is able to integrate supercaps into...

And if Tesla is able to integrate supercaps into its battery system then it's lights out for the big three. Unless of course they want to buy batteries from Tesla.
JJ
Forum: Solar Power 08-21-19, 12:06 PM
Replies: 14
Views: 2,609
Posted By jjackstone
It finally happened. The grid went down over...

It finally happened. The grid went down over about a ten square mile area this morning. However my fridge continued humming away using the battery pack and I could still make a fresh pot of coffee...
Forum: Solar Power 08-10-19, 03:26 PM
Replies: 14
Views: 2,609
Posted By jjackstone
https://ecorenovator.org/forum/picture.php?albumid...

https://ecorenovator.org/forum/picture.php?albumid=56&pictureid=374

Hey! I'm back. Well screwed around taking my time on this for months and finally got it more or less done. Installed the panels...
Forum: Appliances & Gadgets 08-02-19, 08:48 AM
Replies: 39
Views: 3,998
Posted By jjackstone
https://www.google.com/search?q=555+timer+charger+...

https://www.google.com/search?q=555+timer+charger+circuit&oq=555+timer+charger+circuit&aqs=chrome..69i57j0l3.13925j0j8&sourceid=chrome&ie=UTF-8

Lots of ckts.
Forum: Solar Power 06-13-19, 08:56 AM
Replies: 14
Views: 2,609
Posted By jjackstone
Yep, I'm still slowly working on this project. I...

Yep, I'm still slowly working on this project. I bought a super cheap Chinese 3Kw inverter just to play with until I decide to buy enough equipment to be able to go off grid completely. Found an old...
Forum: Lighting 01-05-19, 12:21 AM
Replies: 26
Views: 2,534
Posted By jjackstone
Yes, the box is more for weather/rain protection...

Yes, the box is more for weather/rain protection than heat. The best thing you can do for heat(or cold) is to run the wires from the solar panel into the house and connect all your electronics there....
Forum: Lighting 01-04-19, 01:05 AM
Replies: 26
Views: 2,534
Posted By jjackstone
The light you linked to is a motion sensor light....

The light you linked to is a motion sensor light. Neil has pretty much got you lined out. That bulb runs on AC. As he said you would need a very small inverter to turn the DC from the batteries into...
Forum: Lighting 01-03-19, 11:30 AM
Replies: 26
Views: 2,534
Posted By jjackstone
Other pertinent questions. Is it being used for...

Other pertinent questions. Is it being used for security? How many hours per night does it need to be on(battery size)? How much space do you have for a solar panel before the condo people get upset?...
Forum: Solar Power 12-09-18, 10:24 AM
Replies: 4
Views: 1,012
Posted By jjackstone
Shouldn't be a problem. My company used to use...

Shouldn't be a problem. My company used to use small gel cells all the time as backup power for small electronic systems. If there was out gassing from the battery it would more likely come from...
Forum: Solar Power 11-08-18, 04:00 PM
Replies: 1
Views: 647
Posted By jjackstone
Bench testing Enphase microinverters

Checked the search engine and didn't see a thread for this. Has anyone here figured out a simple way to bench test microinverters? I'm sure a battery or power supply could be connected as a DC input,...
Forum: Conservation 11-06-18, 10:45 AM
Replies: 29
Views: 4,108
Posted By jjackstone
I believe oilpan's assessment is correct at least...

I believe oilpan's assessment is correct at least for now. However as costs associated with panels, storage and installation continue to decrease I expect solar will displace fossil fuels as the main...
Forum: Solar Power 10-11-18, 11:04 AM
Replies: 14
Views: 2,609
Posted By jjackstone
Finally getting ready to do something with all...

Finally getting ready to do something with all the clutter laying around. I talked about the Volt battery I bought in a different post. Now I have separated it into 8 x 48 volt, 2 kwh battery packs....
Forum: Solar Power 09-08-18, 10:20 PM
Replies: 2
Views: 610
Posted By jjackstone
Build your frame on wheels. Tie it down with...

Build your frame on wheels. Tie it down with mobile home tie downs. Make sure all your grounding is done properly. Now it is a mobile unit as opposed to a permanent fixture. In many states there is...
Forum: Conservation 08-24-18, 10:43 AM
Replies: 174
Views: 26,595
Posted By jjackstone
Looks like a kit for a Chevy Volt battery so it...

Looks like a kit for a Chevy Volt battery so it wouldn't need to be modified. If so would you have it designed to kick on the appropriate relays so that the cover wouldn't even need to be removed...
Forum: Solar Power 07-26-18, 02:09 PM
Replies: 7
Views: 1,164
Posted By jjackstone
So sorry you had to do that. Most of the solar...

So sorry you had to do that. Most of the solar sales people are gone from the area now but I must say I used to have fun with them. I'd ask them questions that I was pretty sure they couldn't answer...
Showing results 1 to 25 of 79

 
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