Friction
Since I lubricated all moving parts, swapped the idler,motor pulley,and platter, I now have a reliably operating machine.
However, i can tell the speed is off a little bit. I don't have a printer for a strobe, but my 78rpm strobe disc for the Victrola does indicate that it is a little slow.
There are 2 more things to do that I can see to help with this:
1)Clean/swap out bearings on the center spindle 2)Take down and lubricate motor (Joe pointed this out early on)
For today, I'm just going to focus on the spindle bearings.
On the functioning table, the platter will spin for a few revolutions, then stop. On the parts table, the platter will spin for almost a full 3 minutes! I could tell there was something quite different between the two with the platters removed before I tried it this way. The spindles spun by hand were dramatically different, and they were both equally lubricated.
At first I thought I would have to take the whole TT apart- NOT GOOD. But now I see there is an easy answer for removal of the spindle and bearings, just a couple screws: