How many do you see?
Mr. Moose,
Methinks that by virtue of the fact that we don't see any one bladed examples in full scale applications, all is not rosy with the statement we hear about one blade being more efficient. One blade may in fact be more effecient, but is just not practical.
How did the one bladed example you made fly? The only place I know of where one bladers are are flown is in controll line speed. You are one of the few who have actually went to the trouble to make a prop to test. Interesting stuff.... I'm still looking for the "magic bullet" to make my 1/2a pylon racer really go..... good flying...... Jeff