Linear tracking turntables, whatever happened?


Curious as to the demise and downfall of the seemingly short lived linear tracking TT.
Just from a geometry point of view I would have thought a linear arm should be superior to one with a fixed pivot that sweeps through an arc.
Obviously there is much more to it than that, sort of the reason for this thread.
I am genuinely interested in trying one out for myself as well.
128x128uberwaltz
Sh*te, I need a proof-reader or new eyeglasses. It’s its when it's not it’s.

@ct0517, to add to Dave’s excellent comments, and in the cause of clarification, let me say no, record changes are NOT made by sliding the LP under the cartridge/stylus (and the arm wand onto which is mounted the cartridge). At the end of an LP side, the wand is returned to it’s rest position, at the far right end of the arm’s manifold, where it is out of way of the LP. The LP DOES however need to be slid under the manifold, which is locked in position over the back of the LP, about half way between it’s center hole and it’s perimeter. Other linear trackers avoid this by having a longer arm wand, making it possible for the arm’s main structure to be located beside the table’s platter, not positioned over it.

The manifold being suspended over the LP makes possible a shorter arm wand, which has benefits (lower mass, inertia, and resonances) and one penalty (greater changes in VTA and SRA when navigating warps, resulting in possible "warp wow"; a table providing LP flattening---via vacuum hold down or a clamp---is good for the arm). One thing I like about the Terminator is the arm wand/cartridge/stylus facing the operator, rather than being 90 degrees perpendicular as with other linear-tracking arms; makes cueing much easier!---Eric.

DG/BDP - thx for the replies.

Bdp24 - The LP DOES however need to be slid under the manifold, which is locked in position over the back of the LP, about half way between it’s center hole and it’s perimeter.

Eric - My turntable shelf was custom made. It sits 18 inches high and when I load or remove a record I am much higher than the table, looking down. I find it an ergonomic way of loading and removing vinyl, with arms extended.

Thinking about that manifold permanently fixed over the platter,  I can't seem to get Beach Limbo out of my mind. I have had accidents in the past with the record and stylus. I need a clear runway when landing and taking off.

Cheers
The tip of the long cue bar is  only point of potentially destructive contact with a carelessly handled LP.  I added a small rubber nipple to the tip to address that. 
Chris, I’m picturing you on your knees in front of your 18" high turntable shelf, cleaning your stylus and records. Adds to the "ritual" aspect of LP playing that analog detractors are fond of citing ;-) .