<HTML>In a message dated 6/21/2003 8:56:08 PM Pacific Standa= rd Time, BobDavis88@aol.com writes: <BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT= : 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">In order for a pair of magnets = to store potential energy in the deformation of the magnetic field, one of t= hem must be mounted outside the moving part of the system; i. e., on the act= ion frame. </BLOCKQUOTE> Well, slight correction, I mean energy storage that makes the action lighter= . A multiple capstan, solid or virtual, just distributes the point(s) of app= lication of the force - it doesn't lessen the input force required to move t= he wippen. The changing gap of the magnet just changes the distribution of t= he load between the two capstans. Bob</HTML>