Well, I hand picked the servo arms to find ones that didn't slip and all is well.. Surprising I hadn't noticed this on the 8411's, or 2721's. Thanx to all who answered. ed -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.f3a.us/pipermail/nsrca-discussion/attachments/20040406/8c23cc10/attachment.html