Measuring TT Speed


In measuring my tt speed I am seeing the lines on the strobe bounce back and forth, not holding steady. This is a belt tt with a dc motor setup with a closed loop controller, and ideas on what can cause this? I am thinking the belt may be to tight, it is a new belt BTW...
jsman

Showing 3 responses by jsman

Tom,
Are you saying that the numbers should be stationary? That's what I have been doing wrong, I am looking at the bars. For whatever reason I thought the lines were to be stationary....
Well guys thanks for all the replies with some help from above and you guys I have it sorted out now, thanks....