Need formula

[Larry]

I am looking for the formula for open segment woodturning. I know the formula for stamdard segment but there is no accounted gap included. I need the formula so I can make an excel spreadsheet for 2 degree gap and a 4 degree gap.
Any help would be appreciated.

Thanks

 

[Steve Bonny]

 

[Steve Bonny]

Check out the segmented woodturners chapter for help on segmenting - Steve

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[Larry]

Steve, I appreciate the assistance. I was followinga plan that didn't quite look right. I was looking all over the place for the formula or some way of making sense of the gap, etc. Now I have something I can work with.
Thank you very much.

 

[Steve Bonny]

Steve, I appreciate the assistance. I was followinga plan that didn't quite look right. I was looking all over the place for the formula or some way of making sense of the gap, etc. Now I have something I can work with.
Thank you very much.

You are welcome. Note that with open segmented work, there is a gap - so the exact angle and Segment edge length are less critical depending on your assembly method. You will also see designs that use different values for the gap. Whether you use 2 degrees or 2.5 degrees for the gap is up to you.

I think the only place these may be more critical is if you are using a segment stomper or segeasy plate for assembly that have a specific angle.