Hello Peter,
Yes, I understand what you have said, and this is common knowledge. This of course is not what I am speaking of.
This thread was started from another thread I initiated, about the use of a Dial Indicator to zero the vertical runout of a VPI Platter that possesses a three-point balancing system, which as I understand it, the VPI Mk-IV, and TNT Platters used. (perhaps there were others as well?)
Thos onwer noticed a black Goop that was applied to the underside of Platter, almost like a Blu Tack product, which gave adhesion between Platter, and Bearing Flange.
Once he removed it, he then noted Slippage in between Platter, and Bearing when clamping an LP. And yes, he uses the Rubber Washer on top of Platter, and as we basically know, the record clamp will not then properly "dish" the record to give proper, even contact to Platter's surface.
As I mentioned previously, he had noted his TNT Spindle never had a little BlackRubber O-Ring on it, and appears to have no provision for it. My VPI MK-IV Spindle does. My MK-IV Platter has, as his TNT Platter has, has two white reference Dots, one on underside of Platter, and one of the Bearing Flange. Mine has never slipped-veered, but he notes his does, that by the clamping of the record, it veers from these reference Dots. Mark
Yes, I understand what you have said, and this is common knowledge. This of course is not what I am speaking of.
This thread was started from another thread I initiated, about the use of a Dial Indicator to zero the vertical runout of a VPI Platter that possesses a three-point balancing system, which as I understand it, the VPI Mk-IV, and TNT Platters used. (perhaps there were others as well?)
Thos onwer noticed a black Goop that was applied to the underside of Platter, almost like a Blu Tack product, which gave adhesion between Platter, and Bearing Flange.
Once he removed it, he then noted Slippage in between Platter, and Bearing when clamping an LP. And yes, he uses the Rubber Washer on top of Platter, and as we basically know, the record clamp will not then properly "dish" the record to give proper, even contact to Platter's surface.
As I mentioned previously, he had noted his TNT Spindle never had a little BlackRubber O-Ring on it, and appears to have no provision for it. My VPI MK-IV Spindle does. My MK-IV Platter has, as his TNT Platter has, has two white reference Dots, one on underside of Platter, and one of the Bearing Flange. Mine has never slipped-veered, but he notes his does, that by the clamping of the record, it veers from these reference Dots. Mark