Posted by Roy Laws on Monday, 10 September 2001, at 2:03 p.m.:
In Reply to: collapsing jacks/harnesses posted by Eva on Tuesday, 24 April 2001, at 12:50 p.m.:
Eva, it sounds like you have only part of the solution. Unless I am mistaken, you need at least as many treadles tied up as you have harnesses/shafts tied up, as they must balance against one another. Each treadle should be tied up to at least one "down" shaft and one "up" shaft.
The is a nice explanation of the tieup at
http://www.initco.net/~elh/
Check them out for further assistance.