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George Guadiane's OATS method (Read 186 times)
 
Nic_Davies
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George Guadiane's OATS method
Dec 3rd, 2017 at 12:10pm
 
I have used George Guadiane’s “OATS” staves on several turns.
My question, can this be done with more than 8 staves? If so what are the correct cut angles?
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Ed Weber
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Re: George Guadiane's OATS method
Reply #1 - Dec 3rd, 2017 at 12:35pm
 
Nic_Davies wrote on Dec 3rd, 2017 at 12:10pm:
My question), can this be done with more than 8 staves? If so what are the correct cut angles?



Certainly.
With 8 staves, you need you staves to have a combined angle (side A + side B) to equal 45 degrees. With a standard (equal angles) stave this would be  A 22.5 and B 22.5.
With the OATS method, (OATS = off angle triangle stave) it can be any combination as long as the angles add up to 45 degrees. (10 and 35, 20 and 25, etc.)

For a 12 segment vessel, the combined angle is 30 degrees and the same rules apply.
Standard (even angles) stave would b A 15 and B 15. OATS method, any combination that add up to 30.
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Nic_Davies
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Re: George Guadiane's OATS method
Reply #2 - Dec 3rd, 2017 at 7:59pm
 
Ed,
I am confused. could you provide me with a rough sketch of the indicators  "side A, side B, and the associated angles."

Thanks Nic
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Ed Weber
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Re: George Guadiane's OATS method
Reply #3 - Dec 4th, 2017 at 10:14am
 
I'll post some photos today that should help you visualize what I'm trying to describe.
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Ed Weber
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Re: George Guadiane's OATS method
Reply #4 - Dec 4th, 2017 at 1:17pm
 
So here's what I did.
I made two "mock-ups" of segments out of some scrap plywood to help better understand segments and their angles.
The first one is a standard or basic segment as you're used to seeing. A segment with a combined 45 degree angle ,which consists of equal 22.5 degree angles on both sides A&B, which makes it perfect for an 8 sided ring
The second one is a skewed or "Off Angle" segment, still 45 degrees combined but with a 35 degree angle on side A and a 10 degree angle on side B.
This can be done with any number of segments as i described in my earlier post and any combination of angles as long as they add up 45 degrees in this example.
I placed them on a square to show that they are both indeed the same (combined) angle, 45 degrees. I also laid on on top of the other so that you could see the sides align.
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Nic_Davies
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Re: George Guadiane's OATS method
Reply #5 - Dec 4th, 2017 at 6:39pm
 
Ed,
Thanks. Those photos are just what I needed to understand the process.
Thanks again.
Nic
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Don Stephan
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Re: George Guadiane's OATS method
Reply #6 - Dec 4th, 2017 at 7:53pm
 
Always astounded at the patience of you segmenters!
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