Jean,
The main reason I took the standard speedadjustment system out is because that way you greatly increase the contact area between plate and plinth in the important area around the bearing. speed adjustment will still be possible, but with a little more hassle.
The main reason I took the standard speedadjustment system out is because that way you greatly increase the contact area between plate and plinth in the important area around the bearing. speed adjustment will still be possible, but with a little more hassle.