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 Post subject: Dual angle
PostPosted: Tue Feb 25, 2014 11:57 pm 

Joined: Tue Feb 25, 2014 12:05 pm
Posts: 2
If I wanted to know what angles were used to drill my ball how would I work backwards with the ball already punched. What lines need to be drawn and from where? Thanks

Eugene


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 Post subject: Re: Dual angle
PostPosted: Thu Feb 27, 2014 12:57 pm 

Joined: Sat Jun 05, 2010 4:09 pm
Posts: 59
Location: Fort Collins Colorado
pretty good vid:

https://www.youtube.com/watch?v=Oq8SG1rqdCw

edit: helps to know your PAP

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Jim

Motiv Gear (14#):
TZ3 55 x 4.75 x 30
Primal 60 x 4.5 x 30
Cruel 40 x 4 x 40
Sigma Hybrid 30 x 4.5 x 60
Sniper

RH Stroker
PAP: 4.625 ^ 1.125
15-15.5 mph
260 RPM
Axis Rot.: 55 - 60
Tilt: 44


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 Post subject: Re: Dual angle
PostPosted: Tue May 20, 2014 11:37 pm 

Joined: Fri Feb 04, 2011 2:28 pm
Posts: 11
I can do it, lets see if I can explain it.
First you need to know your PAP. If you do, then..
Draw a line with quarter scale through center of grip bridge to thumb. Then find half way point of span. I.E. 4-1/2 total span mark 2-1/4 on mid line. Draw a 90 degree line from that point to the right (for a right hander) Use your PAP over measurement and mark it. Draw a 90 degree line from over mark to create VAL. mark your Up/Down PAP. Draw a line from pin to mass bias, or on a symmetric ball pin through CG 6-3/4 mark a virtual Mass Bias. Draw a line from PAP to Pin. This should give you all the marks and angles. Just measure them.


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