Standby battery charging techniques can ensure engine startups
By Jeffrey Yago, P.E., CEM
Issue #83 • September/October, 2003
Those of us living beyond the suburbs own various sizes and types of yard and garden machinery. From the mandatory riding lawnmower for those weekend warriors...
Install a mobile, solar powered toilet
By Jeffrey Yago, P.E., CEM
Issue #79 • January/February, 2003
When our solar business started to really increase, I found myself spending more and more time in my truck traveling down the highway to very remote...
Solar-powered chicken coop
By Jeffrey Yago, P.E., CEM
Issue #132 • November/December, 2011
Pre-manufactured chicken coop with roof-mounted solar module
I am sure many of you have raised large flocks of chickens for years as a normal part of rural...
Energy class: Part 3
By Jeffrey Yago, P.E., CEM
Issue #113 • November/December, 2008
In Part I of this series of articles, we reviewed how home utility costs will be the next energy source expected to have major cost increases...
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...
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...
Handy Keychain Mini-Gadgets
By Jeff Yago, P.E., CEM
Winter, 2017
I believe when most people think of being prepared, they immediately think in terms of bug-out bags, stored food and water, guns, and generators. However, there can be less...
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...
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....
Making and using a solar cooker
By Joe Radabaugh
Issue #30 • November/December, 2004
Solar cooking is a delightful alternative to conventional cooking methods. The solar cookers available today really work and they deserve serious evaluation by a much larger audience. For...
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,...
Phantom solar — The crucial invisible system needed before you install solar
By Jeffrey Yago, P.E., CEM
Issue #78 •
Are you planning to install a solar photovoltaic system to reduce your utility bills? How would you like it if your first solar electric power system had invisible...
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...
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...
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...
Build your own solar-powered water pumping station
By Jeffrey Yago, P.E., CEM
Issue #91 • January/February, 2005
In the last issue, there was an excellent article by Dorothy Ainsworth on water pumping using mechanical windmills. In this issue I will address another form...































