Power Up

By Jeffrey R. Yago, P. E., C.E.M. Spring, 2019 During any emergency or related power outage, the most important electronic device you need to keep operating is your cell phone, at least as long as cellular...

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...

Make your own biodiesel for 80¢ per gallon

By Jeffrey Yago, P.E., CEM Issue #101 • September/October, 2006 My Ford F-250 diesel crew-cab pickup did not cause me to become interested in making my own bio-diesel fuel. No, the final straw was when I...

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...

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...

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...

You could furnish an entire homestead at Lehman’s ‘Non-electric’ Hardware Store

By Don Fallick Issue #47 • September/October, 1997 Let me state my bias right at the beginning: Lehman’s Hardware has been advertising in Backwoods Home Magazine for a long time, but I made my first purchase...

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...

Build Your Own Car Wash

By Jeffrey Yago, P.E., CEM Issue #133 • January/February, 2012 Completed car wash in operation If someone told me a year ago that I would have a commercial car wash behind my garage, I would have laughed....

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...

Energy class: Part 2 — Understanding your electric bill

By Jeffrey Yago, P.E., CEM Issue #112 • July/August, 2008 In Part 1 of this series of articles, I hopefully made you aware that your home's utility costs should be more of a concern than what...

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...

Solar Building Design

By Steven Heckeroth Issue #63 • May/June, 2000 Solar building design has been used since ancient times. In the more recent past, it has been more or less ignored as impractical, complicated, or too expensive. Incorporating...

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...

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,...