Spun up the replacement SN2, and no fault with this one- jaws are not sloppy, and the chuck (and jaws) spins true.
So it was back to seeing what the PowerJaws could do. Took a chunk of cyprus pine and without supporting the tail (which is obviously not best practice!), nor did I turn down the end to circular to mount in the jaws (which would have been a good idea in hindsight), I turned away.
First reducing the end to round, then started forming the tiny goblet on the end.
The jaws have significant power, there is no question of that. And the Mini Jet has no difficulty with the SuperNova2 chuck either.
So with the combination of jaws and chuck, did we get a grip? You better believe it!