stevespo wrote:Experiment #1 -
I drilled an old ball, and gave it a test last night. For various reasons, I ended up drilling it close to, but not quite the same as the WikiFit.
Increased the span, but kept nearly the same pitches I had been using before. Thumb felt very comfortable with adequate bevel.
The span felt good, but a small amount of pressure on my fingernails unless I tightened up on my grip.
On most shots, I had some trouble clearing the thumbhole cleanly. If I went straight ahead with full forward roll, I cleared just fine.
Any type of rotation (typical 45+) and I would hang on the thumb and pull left.
Span increased by 1/8" and 1/4"
Added reverse pitch to ring finger
A little less reverse pitch in the thumb (accidental)
Old -
Middle 4 13/16" span, 1/4" Left x 1/4" Rev
Ring 4 7/8" span, 1/2" Right x 0
Thumb 1/2" Left x 5/8 to 3/4" Rev
Last Night's Test -
Middle 4 15/16" span, 1/4" Left x 1/4" Rev
Ring 5 1/8" span, 1/2" Right x 1/4" Rev
Thumb 1/2" Left x 1/2" Rev
Next Attempt - WikiFit? A bit less span, slight adjust on fingers, less left on thumb?
Middle 4 7/8" span, 5/16" Left x 3/16" Reverse
Ring 5 1/16" span, 9/16" Right, 5/16" Reverse
Thumb 1/8" Left x 5/8" Rev
Or? Try some positive/right pitch with the thumb? What about forward/reverse?
I'm sure I had been told this repeatedly, but this post (
viewtopic.php?f=7&t=9611&p=76783&hilit= ... tch#p76783" onclick="window.open(this.href);return false;)
was the one where I finally went "Aha!" we're really talking about how the thumb hinges at the joint.
It's hard to capture in a photo that you take yourself, but I'm thinking it's probably more like 3/8" (ring finger) to 5/8" (pinky) positive/right.
thumb-hinge-2.jpg