How a Cal-track works

[Mark Yacavone]

Originally Posted by Barry Polley

That's what I came up with Chris after plotting it all out two years ago. The front spring section has to be part of the equasion leaving the rear section as a spring. If it were solid I would say it is a slapper/ladder bar.

Barry, I'm still going with the ladder bar. I see the lower link that pushes, but I fail to see the upper link that will pull.
If I might clarify, I see the Cal-trac as a sophisticated form of a slapper bar, better able to control spring wrap up..thereby acting as a ladder bar.