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bird design

Tom,

I think that a 7" diameter is not going to be big enough for the eagle design Because of the width of the wings, the segment has to be pretty wide. The segment needs to be about 4" wide. A 7" diameter would have to have six segments of 4" and with only six segments, the segment would have to be very thick (probably 1.5") in order to turn the radius. I think you need to have a minimum of 8 segments and 10 is best. The one I made had 10 segments and I was able to start with 1-1/8" thick board because of having 10 segments. I don't think I would have been successful with less than 10 segments. With 10 segments, my Repeating Unit was close to 4" wide. Any less than this and you'll be able to make the segments, but I don't think you'll be able to turn it.

My suggestion for a 7" diameter bowl is to go with a nice SW design for a first attempt. I would make it 16 segments with a feature ring of 8 segments which would have a Repeating Unit in Lamination PRO of 3" (2.88" Segment Edge Length in Segment PRO).
 
Tom,

Here's the new video I made which uses Lamination PRO to make feature rings for Segment PRO. I haven't put it on the site yet but will in a day or two. It should answer a lot of questions you might have for Lamination PRO.

You'll also find some other new videos there.

Lloyd
 
Tom,

I think that a 7" diameter is not going to be big enough for the eagle design Because of the width of the wings, the segment has to be pretty wide. The segment needs to be about 4" wide. A 7" diameter would have to have six segments of 4" and with only six segments, the segment would have to be very thick (probably 1.5") in order to turn the radius. I think you need to have a minimum of 8 segments and 10 is best. The one I made had 10 segments and I was able to start with 1-1/8" thick board because of having 10 segments. I don't think I would have been successful with less than 10 segments. With 10 segments, my Repeating Unit was close to 4" wide. Any less than this and you'll be able to make the segments, but I don't think you'll be able to turn it.

My suggestion for a 7" diameter bowl is to go with a nice SW design for a first attempt. I would make it 16 segments with a feature ring of 8 segments which would have a Repeating Unit in Lamination PRO of 3" (2.88" Segment Edge Length in Segment PRO).
 
Thanks Lloyd. I never thought of the thickness. If it is 1.5", does that mean you will waste a lot of wood, or will the image be different on the inside of the bowl as opposed to the outside? You mentioned any less than 10 segments, one couldn't turn it. Was that because of the segment width? I am curious, if you just had four segments with birds and had blank segments in between to make up the ring, could that be possible? Would you be able to do a lamination with a space in between features, or does it have to be repeating to come out right? Thanks again.
 
Tom,

It has more to do with the diameter and the width of the segment. With a small diameter and a wide segment, you'd have to drop down to about six segments and that would cause the thickness of the segment to be excessive to the point that it would be both hard to make and harder yet to turn. I honestly don't think I'd try making a segment as wide as the eagle with any less than 8 segments and I'd prefer 10. You could have every other segment be blank but since all segments must be the identical width to make a circle, it would only help to reduce the number of complex segments you would have to make.
 
Lloyd I had two questions. I was looking for the post from the gentleman that had photos of the steps used in making the bird design. 2nd after you have glued up the segments in the feature ring, are there any hints as to reducing the thickness of the ring? Thanks Tom.
 
Also, I understand now, with the birds wingspan that one could only go so small before you lost detail of the design. I have a lathe with a 14" swing, would that be sufficient to do a bird feature ring? My brother just made a bowl with the bird design, looks awesome. I will start out with a more modest design and work my way up to the more complex. Thanks again. I also just bought the stomper, hope to expand my abilities.
 
Lloyd I had two questions. I was looking for the post from the gentleman that had photos of the steps used in making the bird design. 2nd after you have glued up the segments in the feature ring, are there any hints as to reducing the thickness of the ring? Thanks Tom.

Tom the post is here: Title: My Eagle Bowl attempt

It was me who made the post and the Eagle bowl. Was a fun project that required great care in doing the laminations as well as the subsequent glue-ups. Any mis-alignments will effect the eagle. My first try I had a few to many alignment issues as well the heads were not well formed. Second time around worked great. My bowl ended up being about 10 inches in diameter. I was trying to get it smaller but like you say making the lamination smaller meant lost detail. When you cut the angles on the segments you don't want to clip the wings on the inside either. Read the thread and it should answer some questions.

My lathe only has a 12 inch max swing(6" centre to bed).
 
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Thanks Glenn. I am going to keep your post as a resource. Was trying to put it on my desktop but couldn't figure out to do it. Have you made your own designs other than the ones furnished by Lloyd in lamination pro? 2nd, I see where you calculated a 7" radius to trim the inside and outside of the feature ring. If you make a ring of a different diameter ,size, is there a formula you use to calculate the radius to trim the inside and outside of the ring. ring
 
Thanks Glenn. I am going to keep your post as a resource. Was trying to put it on my desktop but couldn't figure out to do it. Have you made your own designs other than the ones furnished by Lloyd in lamination pro? 2nd, I see where you calculated a 7" radius to trim the inside and outside of the feature ring. If you make a ring of a different diameter ,size, is there a formula you use to calculate the radius to trim the inside and outside of the ring. ring

Initially Lloyd did a lot of the leg work to show how this was done but sloooooowwwwwly I have been able to do some drawing in Sketchup to be able to determine the radius needed based on the segment size.

My gallery Title: Glenn McCarron will show you what I have done. Click on Media.
 
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