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All Replies on How do you calculate (Revisited) staved angles on segmented rings

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View Jack Lewis's profile

How do you calculate (Revisited) staved angles on segmented rings

by Jack Lewis
posted 09-22-2017 06:18 PM


7 replies so far

View Nubsnstubs's profile

Nubsnstubs

1246 posts in 1635 days


#1 posted 09-23-2017 12:37 AM

HUH?? Jerry (in Tucson)

-- Jerry (in Tucson) www.woodturnerstools.com

View Jack Lewis's profile

Jack Lewis

245 posts in 983 days


#2 posted 09-23-2017 01:28 AM

What’s the matter, too deep for you?

-- "Now we are getting no where, thanks to me"

View Loren's profile

Loren

9948 posts in 3553 days


#3 posted 09-23-2017 01:44 AM

This guy appears to have the trig worked out:
http://www.tahoeturner.com/instructions/pdf/handout.pdf

I used to make conga drums when I was
younger. The critical difference was the inside
face was not a show face so the angles I used
were fudged to close the joints on the outside
and fill gaps on the inside. I was familiar with
the trig at the time but never perfected its use
once I got close enough for what I was building.

View Rick_M's profile

Rick_M

11103 posts in 2285 days


#4 posted 09-23-2017 01:59 AM

If I understand what you want to do, M. Wandel made a handy chart for staves.
http://woodgears.ca/miter/
http://woodgears.ca/miter/splayed_miters.pdf

-- http://thewoodknack.blogspot.com/

View roofner's profile

roofner

122 posts in 2188 days


#5 posted 09-23-2017 02:12 AM

Your original formula was wrong but you got the right answer. should be 360 divide by number segments divided by 2 because its the complement of the angle to get 15 degrees. I can not verify what your trying to prove because . I’m not familiar with rest of the problem with the staves.

View Nubsnstubs's profile

Nubsnstubs

1246 posts in 1635 days


#6 posted 09-23-2017 03:55 PM



What s the matter, too deep for you?

- Jack Lewis

Heck yeah, man. I learnt that 2+2 = 4, and 2×2 also = 4. That just about blew my mind. I haven’t been the same since. But when it came to subtracting 2 from 2, and arriving at 0, I was a goner. Don’t even get me started on division….. hehehe…....... Jerry (in Tucson)

-- Jerry (in Tucson) www.woodturnerstools.com

View CharlesNeil's profile (online now)

CharlesNeil

2228 posts in 3776 days


#7 posted 09-23-2017 04:45 PM

pretty sure this wont help , but Maybe .. its a really old video but what the heck , making a bucket .

https://www.youtube.com/watch?v=3z4dMBNCSAg

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