ok here is a thought:
with the us federal government spending millions and in some cases billions for research, development and manufacture of all sort of odd ball stuff already....
how about we lobby them to get nasa involved in development of rotor sets, say 6 footers, 8's 10's 12's and 14 footers. Get nasa to develop them, grant a contract to someone like boeing or the like to manufacture them to be sold to the public.
the end result should be well designed blades, mass produced, with deep pocket boy's having to stand behind them, for liability reasons...
then the government boys wouldnt have to worry about some of us building bad blades that might kill something.
i would be the first to buy a set of 10 to 14 footers if they were available and affordable, heaven knows that would certainly open the door to alot more folks getting into windpower that might not do so because of the daunting task of makeing the blade sets.
i think i could see clear to shelling out perhaps up to a grand for a 3 blade carbon fiber rotor in the 12 foot range. especially if they are of an advanced cambered design that is nearly impossible to achieve in wood, (at least for most folks) and came with a hub to mount them. Designed by nasa, sandia labs, or general electric etc and built by boeing or some other specialist.
of course the reality would likely be, 50 billion spent to develop them and then they would farm the production out to china , but then again maybe i could get a set from harbor freight on sale for $29.95, hahaha
just a thought
bob g