Turntable weight affects speed

The weight is 291g (10.25 oz).

the tt was designed by Acoustic Signature, and is very similar to theirs, at the time. AS sells weights c. 280 g.  So it seems like the ps should be adequate.  Unless… the weight is c. 1 oz too heavy?

so if I understand correctly, @jea48 explained that the ps should just increase current to maintain the speed.  So @noromance must be right, it has to be belt slippage? - which shouldn’t happen.  That belt is small and flimsy

Oops, first response wasn’t showing up

Hand spinning will get it up to speed. Once up to speed, the load on the belt/motor should be the same with or without the weight (physics). If it is different, then you have something dragging or a bad bearing that results in extra frictional force exacerbated by the weight.

I asked someone at pro-ject if I could use the same weight I use on my VPI Classic on the carbon TT and he said NO, too heavy for that TT. So, yes. Not every TT is built to handle those weights.

I have a clamp from, Mitchell (I think) that's made for Regas and it's a spindle grabber...on a Linn...works great and will keep the record on there in a strong windstorm. Seriously, you don't want your vinyl to blow off the table although I suppose you could simply close the window.