Is there a way to add a spring to a spherical joint?
Or at least, a way to adjust the radius without deleting/recreating?

I'm using myJoint.createSpherical( actor, null, Vec( 0, 0, 0 ), Vec( 1 ) ); to lock an object into a 360' orbit around < 0, 0, 0 >.
I don't know if it's possible or not, bit it seems very inefficient if I want to expand the radius of the 'orbit'. (I'm not even sure what the second actor does.)

Well, I guess I found my answer by downloading the PhysX SDK- their answer is to use the spherical + distance joint + another actor to get a similar effect.

For my purposes, that will be 3 joints. Yikes.