Direct drive vs belt vs rim vs idler arm

Halcro - exactly that. If the hole isn't in the centre, then drill a big one. Position the record so that the arm is not moving in and out from the centre.

Definition of run-out - oxford dictionary - noun
slight error in a rotating tool, machine component, etc. such as being off-centre or not exactly round:

Have you been watching too much cricket ?

Have you been watching too much cricket ?

With the current bunch of Aussie batsmen? Are you serious?
But Andy Murray to beat Jokovic in the Australian Open tonight?

Yeah should be a cracker of a match. Murray has definitely stepped up a cog - not so many kangaroos in the top paddock now.
Is that your Porsche ? Very very nice.

Is that your Porsche ? Very very nice.

Thanks........50 years old in June this year.
Gets me in a lot of trouble when I say it looks better than most 50 year old women?
Guess I should leave out the noun...."women"?

Anyone remember a product offered in the 1980s called centre a disk?
Dover you notice a positive difference correcting your off centre records right? However doing this by eye is near impossible.
You can make a geometry jig, two intersecting diameters of a circle where the two diameter lines cross.
What it is are perpendicular "frame" called chords to form legs of a right triangle. A third side of the triangle is the diameter. A diameter is a line that passes throgh the centre of the circle and two diameters must cross at the centre.
Visualize a rectangular box shape with cross hairs,I used two pound fishing line as the diameters or cross hairs, practice on worthless vinyl.
It works very well however I would like to see something better. Halcro this could be a good project for you.