Help Zero-g

[innovine]

Interesting, thanks for taking the time to look into that.
I notice two immediate differences. I've set the solver gravity to zero, and I have a rigidbody on each end, with the last particle having a pin constraint to the rigidbody. 

I don't get the opportunity to work on this every day, but the next time I get the chance I'll try an isolated scene, and if it still behaves the same, send it to you. Thanks