Walden Pond, the solar version: Part 1
By Jeffrey Yago, P.E., CEM
Issue #99 • May/June, 2006
I have been writing solar power articles for many years on every possible application. This has included everything from simple solar chargers for cell phones to...
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...
Millenium Vehicles
By Michael Hackleman
Issue #57 • May/June, 1999
A major failing of transportation worldwide is that 99.9% of vehicles on farms, street, and freeways work on one energy source: liquid fuels. In any disastersmall or large,...
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...
Dim bulbs in California
By Jeffrey Yago, P.E., CEM
Issue #107 • September/October, 2007
By now many of us have heard that under a bill proposed by Assemblyman Lloyd Levine (D), the state of California is about to become the...
Solar charge controllers — myths, hype, and facts
By Jeffrey Yago, P.E., CEM
Issue #153 • May/June, 2015
Most people with a basic understanding of solar power are aware they need a solar module and a storage battery to power an electrical device using...
Intake and exhaust upgrades for better mileage and performance
By Len Torney
Issue #120 • November/December, 2009
Well, it seems the price of oil and gasoline has peaked and plummeted, much like a lot of the rest of the economy these days. One upside to...
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...
Build a simple solar-powered outdoor light
By Jeffrey Yago, P.E., CEM
Issue #92 • March/April, 2005
Figure 1. Pole-mounted street light showing a front view of the solar light
In our last issue, I discussed how to use solar energy to power a...
Add solar power to your truck camper
By Jeffrey Yago, P.E., CEM
Issue #93 • May/June, 2005
The recreational vehicle (RV) world is having a major comeback with the influx of baby-boomers. Today's travel trailers, 5th wheels, and motor coaches now include everything...
Power Up Light, Water, Communications in Emergencies
By Jeffrey R. Yago, P.E., C.E.M.
April/May/June, 2019
Preparing for any emergency or future disaster is never easy. What should you prepare against; what is the likelihood it will actually happen; how long will it take...
Keeping your food cold — Solutions to refrigeration when electricity is scarce
By Michael Hackleman
Issue #56 • March/April, 1999
Many readers of this magazine live in remote settings and generate their own electricity, often through solar, hydro, wind, or generator machines, storing the electricity generated in batteries....
A solar primer — How it works, how it’s made, what it costs
By Jeffrey Yago, P.E., CEM
Issue #72 • November/December, 2001
Buying a solar power system is not like buying a kitchen appliance or power tool. These, unlike a solar system, have published capacity and performance data...
Job site solar power
By Jeffrey Yago, P.E., CEM
Issue #144 • November/December, 2013
Regardless of your favorite brand, standardize all
battery-powered tools to use the same battery pack.
If you are planning to live off-grid or are building something in a...
An $89 backup generator
By Jeff Yago, P.E., CEM
Issue #159 • May/June, 2016
While I strive in all of my articles to only recommend products of high quality and reliability, I realize many of us are on a fixed-income...
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....































