[jwxr7]

I'm not sure it would be useful to compare these 2 tests since the 1st one had poor conditions.

I was able to test the wind turbine with 6 blades last evening. Conditions were much better, so I trust these numbers pretty well. There was no headwind and the slightest breeze, if any, was perpendicular to my test runs. I still used the speed as read from my scangageII as before. I was able to obtain meaningful data down to 10 mph on all load resistances. With the 3 blades I only tested down to 12 mph and that was only with the lightest load because it wasn't producing enough torque to do much.
Here's some 6 blade data showing the max powers;

10mph~8-10w into 8-32 ohms
12mph~18w into 8 ohms
15mph~36w into 4-8 ohms
20mph~110w into 16 ohms or 100w into 4 ohms
25mph~361w into 4 ohms
30mph~552w into 4 ohms

I didn't test with a 2 ohm load since it didn't work well on the 3 blade test. Afterwards I wished I did a 2 ohm test because the 6 blades probably would have done a better job. I may do a retest at 2 ohms if I get a chance.

Right now I need to go over the data and figure out which grid tie inverter matches the voltage and power curve best. Then I need to decide on a furling speed that will help protect things. That speed will most likely be around 30 mph.