Hi, This is my first posting, so I'll just introduce myself. My name is Bryan and I've been working on vertical axis wind turbines for a few years. I am a Mechanical Engineer by training but now I'm a stay-at-home dad. I started Caleb Engineering a number of years ago to do contract machine design out of my home; thus the name Caleb on a lot of things. My hope is to develop a VAWT worthy of selling someday, but for the time being this is more of a hobby. In the past, I posted my work on the forum at vawts.net; however, that forum is no longer up and running. I'm hoping it would be okay to start posting here. This video is a short demonstration of my latest VAWT. Currently, I have been working on the control side of things. Lift style VAWTs have a rather narrow power band and I've made a "shield" for an Arduino that should allow me to program the current being drawn from the wind turbine up to 4 amps into a 12 volt battery; about 50 watts of controlled load through a buck type regulator. The initial tests of the board have been promising, but I have to get a battery and assemble another wind turbine to test it with. So it will be a little while before I can report on it.