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Reply by Lazyman

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Posted on Need stave angles

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Lazyman

7000 posts in 2472 days


#1 posted 04-07-2021 03:13 PM

The ring thickness is how thick the side would be after you round both the inside and outside. It calculates how thick the starting board has to be (segment thickness) in order to get the round exterior and interior diameters and maintain the final ring thickness. Since you do not plan to round the inside diameter, you can put any number in there because you only care about the outside diameter. If you play around with the calculator inputs, you will notice that the ring thickness parameter does not affect the outside segment length result. You can also ignore the segment thickness and the inside segment length results. Just use the outside segment length to setup your cuts. Basically, you will use the angle and the outside segment length as the outside (long) width of your stave.

BTW, you might want to adjust the the number of staves until you get an easier angle to set. For example 20 or 24 yield 9° or 7.5°, respectively. Also I highly recommend a digital angle gauge for setting the blade angle. I use mine all the time. If nothing else, I use it to verify that my table saw blade is actually set to 90°.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.


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