Timeline Calculator

It sounds great Ketchup.
The only problem I can envisage......is the difficulty of positioning the laser line 'dead-on' the centreline of the spindle and at right-angles to the wall?
It is difficult enough to just position it somewhere behind the turntable?

The Timeline appears to be a very accurate and precise instrument. Perhaps too accurate for measuring turntable speed as you may be chasing an impossible standard. Once you dial in your table for perfect speed, is the speed accuracy repeatable and constant over a period time when taking in consideration temperature changes, power changes, humidity changes etc. Is the Timeline a cure or a curse?

PS- Ketchup, nice work on the calculator

I forgot to mention that if anyone wants the calculator, send me an email through Audiogon and I'll attach the file to my response.

Halcro,

Just measure from the spindle to where the mark hits the wall and the calculator should get you very close. I don't believe that the beam needs to be exactly perpendicular to the wall for this to work well enough. However, the accuracy of the data input into the calculator is important. Try to measure as accurately as possible as that's going to be the source of the most error.

Ketchup, I do not see how to send you an email thru audiogon.