Black-Balled said:
Why is it that a 13mm actually measures closer to 12.5?
Honest question...those w/ calipers, back me up on this!
Most of the advertised 13mm shafts that I have measured actually come closer to 12.75mm. I have measured quite a few and the majority seem to be 0.503-0.507in. (12.78-12.88mm)
I recently was having some work done and the local cuemaker asked what I currently played with, I informed him that it measured 0.498-0.501". He called this measurement 12 7/8mm, I replied, "isn't 0.500in. equal to 12.7mm?"
He answered, "Yea, but that's what they call it (12 7/8mm)".
I kept my mouth shut because in all reality I just know that I like its dimension and don't really care about some secret diameter system. If I get what I want I'm happy; I did, and I am.
The reason I like this diameter the best is that it is large enough to not feel loose in my bridge, and small enough that I can "see" around it.
I've tried tips over 13mm (actual measurement:calipers), and I just feel like I can't see around it for certian circumstances.
I've tried many tips under 12.5mm (actual measurement:calipers), and they just feel loose in my bridge hand; probably due mostly to me getting lazy on shots, but hey, I know I do that, and I want the extra comfort.