I'm looking for people to try this out. you need any kind of sail, and any kind of turbine. the easiest way to get it up and running : make a sail. whatever sail you make, be holding it against the wind. Some one else take a handheld turbine and find the highest flow rate. it's a little mysterious sometimes. I suggest you end up with triple the output from your turbine. I've got a marine battery charging turbine and I think I blew it on the first attempt, it only reads zero volts now. my sail is two 8 foot poles and a sheet with ropes at the four corners. It took me a while to find a position where I could direct the wind at the turbine, my sail runs the wind along the ground. Here's my favorite picture, but the turbine might should be lower on the sail.