Learn How to Do Emergency Welding. It would help if you had some experience with arc welding to draw from but here is a quick tutorial on how to use car batteries to do emergency repairs on a car or ATV when you are far from a repair shop or your own garage.

Read more

Alkaline Battery Technology is Relatively Simple. ( TeK-THinK) The number of electronic devices that is surprising and as long as they are all charged and ready to go then life is good right? One thing that I have to do before I go on a trip is to start charging them the day before. Even […]

Read more

How to Build a DiY Hovercraft. If you ever been on a hovercraft you will know what I mean when I say that they ride like no other craft, certainly not like a boat but more like a plane. By definition, a hovercraft, also known as an air-cushion vehicle, is a craft capable of travelling […]

Read more

Electric Drive System Added to a 1966 VW Beetle. I was only a small boy when the Volkswagen Bug first hit the streets in North America but by the time I was old enough to drive they had not changed very much. These rear mounted gas engine vehicles were notorious for maintenance problems and being […]

Read more

Build a Homemade Walking Robot with Parts Lying Around the House. When I was a kid, I loved sports but I loved science and especially electronics more. I used to tear apart old appliances, television and stereo equipment to find out what made it tick but also to create a stockpile of parts that I […]

Read more

Inventor Builds an Air Battery for Free Energy For Ever. The chemical reactions that occur between some dissimilar elements are relatively simple ( ok yes chemistry is my friend) and even occur in nature if the conditions are right. In this video you will see the results of several weeks work from one amateur inventor […]

Read more

Maybe the World’s First ( and last? ) Stirling Engine Powered Helicopter. The Stirling heat engine is just that, an engine that runs from external heat sources. The heat can be applied with say a burner or scavenged from waste heat from an industrial process such as paint ovens or kilns. Another interesting use of […]

Read more

Building a Homemade Electric Generator is a Very Ambitious Project. Wind and hydro-electric generators for residential or commercial purposes haven’t really gotten the same treatment from mainstream media as solar. That’s to be expected since not everyone is going to have the benefit of 20 miles per hour winds or a river with a strong […]

Read more

A Homemade Evaporative Cooler Just in Time for Summer. Evaporative coolers are a must-have during summer or if you’re in an area that has a very warm climate. Although most people would tend to argue that it’s better to stick with an air conditioning unit, this in-door climate control solution isn’t as energy efficient compared […]

Read more

A Working Example of an Electric Motor that is Easy to Build. Electric motors are everywhere, from the drive on your dvd player to the hydrid part of your hybrid car and they are growing in popularity especially in transportation with electric vehicles such as cars, motorcycles and even airplanes.

Read more
Page 3 of 1212345...10...Last »