Solar power trailer Part 1
By Jeffrey Yago, P.E., CEM
Issue #108 • November/December, 2007
Many of us like to go camping, but as we age it's much easier if we have a bathroom, kitchen, refrigerator, microwave oven, television, DVD player,...
Don’t discount a generator, especially a diesel generator, as your primary power source
By Skip Thomsen
Issue #28 • July/August, 1994
There are three major reasons that wind, solar or hydro-electric systems are impractical for some folks: not enough wind, too many cloudy days, and no stream. In that...
Solar Power 101 — Solar arrays
By Jeffrey Yago, P.E., CEM
Issue #90 • November/December, 2004
This article is the fourth and final part of our beginner's course in solar electricity. Simultaneously we have instituted a Home Energy Information (www.homeenergy.info) section on...
Build a community assistance recharging station
By Jeffrey Yago, P.E., CEM
Issue #152 • March/April, 2015
Many preppers are starting to realize they cannot do it all on their own. True security during a major disaster or civil unrest is much more...
Solar Power 101 — Batteries: Part 1
By Jeffrey Yago, P.E., CEM
Issue #87 • May/June, 2004
This article is the first in a series of what will be a beginner's course in solar electricty. Simultaneously we have instituted a Home Energy Information...
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...
Use solar landscape lights for emergencies
By Jeffrey Yago, P.E., CEM
Issue #141 • May/June, 2013
Solar-powered landscape lights in dark room.
Note different light patterns and brightness.
People own all kinds of household items that can be used to make life easier during...
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 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...
Solar power trailer Part 2
By Jeffrey Yago, P.E., CEM
Issue #109 • January/February, 2008
In Part I of this article in the November/December 2007 issue, I described the many uses for a solar power system that could be made totally...
Generators alone are not enough
By Jeff Yago, P.E., CEM
Issue #157 • January/February, 2016
When talking to fellow preppers at self-reliance expos across the country, I am always impressed by how many already have long-term food supplies, stored water, medical...
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....
Are hydrogen-fueled cars pie-in-the-sky?
By Jeffrey Yago, P.E., CEM
Issue #103 • January/February, 2007
Hydrogen-fueled cars is a topic of much discussion these days. People who want to see the U.S. freed from dependence on foreign oil often assume the...
Keep those gadgets working after the power goes out
By Jeffrey Yago, P.E., CEM
Issue #84 • November/December, 2004
The recent 2003 northeast electric grid failure taught the residents of many large cities what most rural residents learned years ago: Lights, air conditioners, televisions, stereos,...
Just for Kids: Sun-kabobs and solar sizzle
By Lucy Shober
Issue #28 • July/August, 1994
Click on pictures for printable, full-sized versions to color.
Picture yourself in this dreamy scenario: It's a hot summer afternoon. The sun is beaming through the shade trees as...
Build a passive-solar food dehydrator
By Jeffrey Yago, P.E., CEM
Issue #143 • September/October, 2013
The finished passive-solar dehydrator maintained a fairly constant temperature of 150° F throughout most of the day without any repositioning, which shows that this design can...































