There is an old saying 3 blades for SHOW, 2 for GO. I have always been told Two blades are more effective then 3.
Phillip Matheson [email protected] Australia VH PKR See our engines and kits at. http://www.vw-engines.com/ http://www.homebuilt-aviation.com/ See my KR at Mark Jones web http://mywebpage.netscape.com/n886mj/pmkr2.html

