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VAWT Lenz type. Stage 1. Converting wind power to rotary motion.

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A simple but effective way to keep dirt and grit out of the bottom bearing.

I cut the parallel part out of a  Dr Pepper 500ml bottle this was a nice push fit on the bearing cup, I used Tech7 to stick the bottle onto the cup.

the upper shield is the top of a 2ltr drinks bottle split down one side and held in place with duct tape, this is a temporary measure 
 
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