SincoTC: You are right, a constant-force spring would cover my needs, except that I can't find one strong enough. I need a spring that can hold at least 2 kN.
The left wheel must be able to move a distant in each horizontal direction equal to half the space between the wheels. The length of the wire is not an issue.
I'm constructing a contraption in which I need to simulate a weight-based force without the use of the weight (e.g. with gears and springs etc.). I need to be able to move the wheels in the drawing, but keep the force constant. Any suggestions?
Thanks:)
