Thread: 239 bore.
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Old 05-01-2017, 09:03 AM   #10
cmbrucew
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Default Re: 239 bore.

Quote:
Originally Posted by Ronnie View Post
To get a close idea of your taper all that is required is square up one of your existing rings in the bottom of the bore and measure the end gap.Do that three times starting at the bottom then half way up and last at the top under the ridge compare your findings as to end gap and you can calculate the taper as the end gap increases with the formula of PI. Every .001" increase in bore will give an increase of .00314" end gap.

R
Why didn't I think of that. Trying to get my big hands, and an inside mic just right is a chore I can do without.
Thanks Ronnie
Bruce
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