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...
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 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,...
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...
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...
Solar Power 101 — Batteries: Part 2
By Jeffrey Yago, P.E., CEM
Issue #88 • July/August, 2004
This article is the second in a series of what will be a beginner's course in solar electricty. Simultaneously we have instituted a Home Energy Information...
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...
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...
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...
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...
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...
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...
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...
Grid-tied, Grid-connected, Off-grid. What’s the difference?
By Jeffrey Yago, P.E., CEM
Issue #140 • March/April, 2013
Several weeks ago I received a call from a woman in Florida complaining that they just had a power outage lasting several days and her solar...
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...
Water pumping windmills
By Dorothy Ainsworth
Issue #90 • November/December, 2004
Standing tall like a giant sunflower in a sea of undulating prairie grasses, or in any rural setting, a windmill is a thing of beauty. Not only are...
