VPI VTA Base question

Does anyone know how to tell the difference between VPI's current JMW VTA base, and the 12" Unipivot Base? Something visual? Or measurements?

I can't achieve the proper alignment with my 10" Fatboy arm and want to make sure I got the correct base.

markpao09-25-2022 5:13pm

stringreen Details Discussions Posts This discussion Message User 6,531 posts 09-30-2022 at 03:27am Copy Comment URL Report Comment Edit Delete ,,just a silly question.....are you sure you have the pivot spike on the proper pivot. I know If not careful, I can move my arm to another spot. The correct spot has a metal insert and properly set up will allow the arm to tilt (azimuth) easily
markpao OP Details Discussions Posts This discussion Message User 525 posts 09-30-2022 at 05:49am Copy Comment URL Report Comment Edit Delete Yeah, I must have pulled measurements and reset the arm on the pivot a hundred times over the past week. I know what you mean stringreen, at first setting the arm down on the pivot felt a bit awkward compared to my older version. But you know when it’s on right, and it goes on easily now that I'm used to it.
wlutke Details Discussions Posts This discussion Message User 744 posts 09-30-2022 at 12:32pm Copy Comment URL Report Comment Edit Delete My original (1995) jmw 10 has the arm pushed into the bell housing for a friction fit. It can be less than seated and feel secure. The Fatboy looks similar. Maybe get half a mm?