http://www.fieldlines.com/story/2005/4/21/32520/2658
This reminded me of an article in Popular Science
way back in the 70's the concept of having
tips on the end of hollow blades creating a
vaccum that operated low-pressure turbine at
the base...the turbine could be made from a
torque converter?
Has anyone made one of these or considered
it?
( :>) Norm.