Emergency solar power for $950
By Jeffrey Yago, P.E., CEM
Issue #73 • January/February, 2002
For less than the price of a desktop computer you can have the piece of mind that your lights and small appliances can operate for months...
Solar-Powered Electric Fencing
By Jeffrey Yago, P.E., CEM
Issue #147 • May/June, 2014
A new electric fence attached to older traditional wood fencing
More and more people are turning to electric fences as the cost of standard metal and wood...
Solar suitcase
By Jeffrey Yago, P.E., CEM
Issue #150 • November/December, 2014
Completed solar suitcase project
From time to time, people call to ask what we have for emergency solar power suitable for a bug-out bag. Naturally, my first...
Battery-Powered Tools are Changing
By Jeffrey Yago, P.E., C.E.M.
April/May/June, 2019
Battery-powered tool technology is now undergoing some rapid changes in both the power of the tool motors and the batteries supplying the added power. For many years most battery-powered...
Solar system codes — Build it right!
By Jeffrey Yago, P.E., CEM
Issue #154 • July/August, 2015
Here, multiple homemade solar modules have caught fire and burned.
The further you go into the mountains or rural countryside, the more some people think building codes...
What if the electricity GOES OFF?
By Michael Hackleman
Issue #55 • January/February, 1999
Just as everyone was getting ready to throw the party of the century and millenniumout with the old and in with the newsomeone springs Y2K on us. Power...
Solar Power 101 — Batteries: Part 2
By Jeffrey Yago, P.E., CEM
Issue #88 • July/August, 2004
This article is the second in a series of what will be a beginner's course in solar electricty. Simultaneously we have instituted a Home Energy Information...
Solar power for farm and ranch
By Jeffrey R. Yago, P.E.
It may be surprising to learn that there are now all kinds of do-it-yourself solar powered devices specifically designed to make farmers and ranchers lives easier and safer. Many of...
Prepper power! Part 2
By Jeffrey Yago, P.E., CEM
Issue #137 • September/October, 2012
I discussed in Part 1 the many reasons why preppers need to think more long-term about providing reliable electric power. I also mentioned that while it's...
Solar-powered water purifiers
By Jeffrey Yago, P.E., CEM
Issue #146 • March/April, 2014
Most of us can stay alive up to a month without any food if stranded, but we could not live longer than three days without water...
Portable solar power
By Jeffrey Yago, P.E., CEM
Issue #134 • March/April, 2012
Fold-up solar modules now available in many sizes
As the cost of solar cells has declined, the industry has started to increase the physical size of individual...
Converting a Gasoline-Powered Rototiller to Electric
By Glenn Willis, Jr.
Issue #87 • May/June, 2004
Several years ago my sister and her husband had an 8-horse gas-powered rototiller that went belly up. They fussed with it a bit, but couldn't get it...
Solar Power 101: Inverters
By Jeffrey Yago, P.E., CEM
Issue #89 • September/October, 2004
This article is the third in a series of our beginner's course in solar electricity. Simultaneously we have instituted a Home Energy Information (www.homeenergy.info) section on...
Installing your own small, remote off-grid solar system
By Jeffrey Yago, P.E., CEM
Issue #116 • March/April, 2008
A typical residential-size solar system installation will involve properly sized and installed AC and DC electrical wiring to reduce the risk of electrical fire, a proper...
Design calculations for overshot waterwheels
By Rudy Behrens
Issue #18 • November/December, 1992
(For good background information for this article, the reader should read "Waterpower for personal use" in Issue No. 16 and "Design calculations for overshot waterwheels" in Issue No....
Hydronic woodstoves
By Jeffrey Yago, P.E., CEM
Issue #105 • May/June, 2007
Do you realize there is an entire field of woodstoves that the general public rarely hears about, even though there are specialty woodstove stores in every...