Check out these cool animations, this first one is much like the one I'm
trying to build;
http://www.angelfire.com/wi/windowe/generator1.html
and the Holman Hinge model;
http://www.angelfire.com/wi/windowe/generator3.html
hard to stop looking at them....note the red dot indicates the
calculated center of mass....thus the thing FALLS INTO ITSELF, just like
Hamel said, 'Weight into Speed'...
-- Jerry W. Decker / jdecker@keelynet.com http://keelynet.com / "From an Art to a Science" Voice : (214) 324-8741 / FAX : (214) 324-3501 KeelyNet - PO BOX 870716 - Mesquite - Republic of Texas - 75187