In response to Ryland, my goal here is to have people making their own blades, if folks begin carving simple blades, which they get to work, they may well be inspired to try multi bladed props, to discover for themselves the various design configurations. A discussion of two bladed or multi bladed prop superiority is not my intent. opinions vary. If we can get effective props generating electricity at lots of sites they will raise awareness. Prop carving does not need to be a black art, two bladed props are simple to make and effective.
Cheers.
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