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...

Grid-tie solar-powered farm

By Jeffrey Yago, P.E., CEM Issue #94 • July/August, 2005 Photo 1: One of two Fronius 3-kW grid-tie inverters. Note the DC-rated safety disconnect and all high voltage wiring installed in metal conduit. Most of my past...

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 disaster—small or large,...

Is steam power in your future?

By Skip Goebel Issue #43 • January/February, 1997 If you're thinking steam is old-fashioned, consider this: Almost a century ago, steam cars and ships attained speeds and efficiencies which are still difficult to attain, even with...

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...

Emergency solar power for $950

By Jeffrey Yago, P.E., CEM Issue #73 • January/February, 2002 For less than the price of a desktop computer you can have the piece of mind that your lights and small appliances can operate for months...

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...

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...

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...

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,...

Water: a safe supply when you’re off the grid

By Jeffrey Yago, P.E., CEM Issue #71 • September/October, 2001 That remote mountain property seemed like a steal until you found out you could not drill a well. Four years ago we were approached by a...

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...

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...

Prepper power! Part 2

By Jeffrey Yago, P.E., CEM Issue #137 • September/October, 2012 I discussed in Part 1 the many reasons why preppers need to think more long-term about providing reliable electric power. I also mentioned that while it's...

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...

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,...