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...
Grid-down battery devices
By Jeff Yago, P.E., CEM
Issue #163 • January/February, 2017
Most of my past articles and my just-released new book titled, Lights On, drive home the importance of having multiple battery-powered devices during an extended power...
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...
Powering medical equipment during a utility blackout
By Michael Hackleman
Issue #70 • July/August, 2001
Most people consider blackouts a nuisance. However, for some folks, a blackout can be paralyzing or even deadly, particularly if a critical piece of medical equipment lacks electricity....
7 Solar Water Heating System Designs
By Michael Hackleman
Issue #65 • September/October, 2000
(Rob Harlan is a general and solar contractor with 25 years of experience with solar water heating systems in Mendocino County, California. Rob primarily designs and installs photovoltaic...
Solar-powered refrigerators
By Jeffrey Yago, P.E., CEM
Issue #102 • November/December, 2006
In Issue #99, I discussed the importance of using the most energy-efficient appliances you can buy for any remote cabin or off-grid solar application. I also...
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...
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,...
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...
Sunny Solutions for north slope applications
By Michael Hackleman
Issue #61 • January/February, 2000
Solar-powered pumps have proved their worth for many installations worldwide, anywhere under the sun. However, in the northern hemisphere, a year-around spring located at the base of a...
Energy class: Part 1
By Jeffrey Yago, P.E., CEM
Issue #111 • May/June, 2008
Each fall when my dad took us to the State Fair, we could always count on this fast-talking salesman standing next to his car with a...
Power your bug-out bag
By Jeff Yago, P.E., CEM
Issue #160 • July/August, 2016
More and more people are starting to see the advantage of having a bug-out bag for each member of their family. Normally these bags are kept...
Amateur Ham Radio – The Ultimate Tool for Survival Communications
By Jeffrey R. Yago, P.E.
N4LPE
During any major disaster or grid-down event, communications will not only be critical for coordinating rescue efforts, but could actually save your life by receiving alerts and evacuation instructions. Unfortunately,...
Design calculations for no-head, low-head waterwheels
By Rudy Behrens
Issue #17 • September/October, 1992
(This is the second of our three-part series on waterwheels. The third installation (Issue No. 18) will deal with overshot wheels. -- Editor.)
For those of you who are...
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...
