Assume the turbine presented here is 1.5 meters tall, as shown, and let’s say 0.5 meters wide, meaning that its swept area is 0.75 square meters if it were refashioned into a standard bladed turbine, spinning in a circle, with …
Is This Wind Turbine a Scam? Let’s Do Some Math. Read More »
Here’s a concept for a new design in wind turbines. Contrary to what readers may have come to expect when they read that first sentence, this appears to make sense. The idea is based on the fact that, although today’s …
What happens in the nacelle, that box-like thing shown here at the top of a wind turbine? In its simplicity, it’s where we convert mechanical into electrical energy, i.e., it’s the home of the generator. From there, however, things get …
A reader asked my opinion on the Joulebox for operation in Chile and Latin America. I had never heard of this, but here is a video on the product, along with some observations.
There is a lot of talk about green living nowadays, about energy efficient, sustainable homes, about reducing the consumption of energy by using and reusing natural resources and materials. This is all with the purpose of reducing pollution, waste, and …
Question: In physics, the Betz Limit is the top theoretic percentage of kinetic energy that can be extracted from a moving fluid, e.g., wind. It’s based on the fact that, if you took it all, i.e., stopped the wind dead, …
I like to jog on a dog-friendly beach in Santa Barbara to get a bit of exercise and to take in the beautiful sights, sounds, and fragrances. After my run, I slow to a walk and often stop to talk with …
Beach Produces Occasional Discussions on Renewable Energy Read More »
There are quite a few options after moving to utilize possible renewable energy sources around your home, such as wind turbines, solar panels and more. In most cases using solar panels is the popular choice for heat, lighting and electrical …
From Guest Blogger Heather: Renewable Home Energy Tips For Your New Home Read More »
Well my nickel-iron batteries have finally arrived from China on Friday afternoon. I have unpacked them and set them up and attached them to my system for their first charging. They are bigger than I imagined they would be — …
My mother and I spent a wonderful day together on the Outer Banks of North Carolina, our destination for the wedding of my eldest nephew, and the eldest of Mom’s five grandchildren. Our task for the day was to find …
Cute Little Wind Turbine on North Carolina's Outer Banks Read More »
