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Bows / Re: bamboo backed and bellied hickory bow
« Last post by superdav95 on Today at 04:07:57 pm »side view
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Bows / Re: bamboo backed and bellied hickory bow
« Last post by superdav95 on Today at 03:44:56 pm »1. I did not pre bend the back laminations. I just heat treated them to drive out some moisture and harden it a bit. I then taper after that out towards the ends.
In that case, what does your form look like for that glue up?
Mark
Mark, Here is a link to a video I did a while back showing similar set up for belly lam glue up. This particular one shows a horn belly lam but you get the concept. It’s pretty much the same. I tried to find some pics but they are buried somewhere. Lol. Pictured here is a set up for my back lamination using bike tubes as many have done. I add in the amount of reflex I want with clamps to the table. It’s very important to make sure everything is straight after wrapping with the tubing as it has the tendency to introduce twist and misaligned tips. The forms I used in this were ideal for horn but could also be used equally well for boo lams. The only real challenge may be the crown on the belly lams but this can be worked around to get good results.
https://www.dropbox.com/scl/fi/zdl6ek505rlo19rs3rypy/IMG_3386.MOV?rlkey=m9p5wvow806c4q63bipzzd512&dl=0
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Bows / Re: bamboo backed and bellied hickory bow
« Last post by mmattockx on Today at 01:41:24 pm »1. I did not pre bend the back laminations. I just heat treated them to drive out some moisture and harden it a bit. I then taper after that out towards the ends.
In that case, what does your form look like for that glue up?
Mark
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Bows / Re: Ink for Bow Specs
« Last post by Eric Krewson on Today at 09:40:04 am »I use white archival ink and letter with an extra fine nib calligraphy pen, the ink is acrylic so if you goof up you can wipe it off with a wet paper towel and start over. The ink is a little hard to get to flow so I start on a piece of cardboard, when the pen is working right, I letter my bow.
I put a couple coats of Tru-oil over the lettering to lock it in place.
White stands out more as the wood darkens. I have already applied the finish to the rest of the bow before I do the lettering.
I put a couple coats of Tru-oil over the lettering to lock it in place.
White stands out more as the wood darkens. I have already applied the finish to the rest of the bow before I do the lettering.
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Bows / Re: bamboo backed and bellied hickory bow
« Last post by superdav95 on June 01, 2024, 11:37:41 pm »I started out with about 4.5" after glue up of the belly lams. I had pretillered this bow out to 20" after assembling the boo backing lan to the hickory core.
Beautiful bow, Dave. A couple questions:
1) Did you pre-bend the back lam and/or core lam before gluing them up with the 4.5" of reflex?
2) It's hard to tell from the pics, but it looks like you flattened the belly lam completely, removing all the crown, nodes, etc. Is that correct?
Mark
1. I did not pre bend the back laminations. I just heat treated them to drive out some moisture and harden it a bit. I then taper after that out towards the ends.
2. I did not flatten the belly lams I only filed down the nodes a bit. The natural crown of the strip was retained.
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Bows / Re: bamboo backed and bellied hickory bow
« Last post by superdav95 on June 01, 2024, 11:29:35 pm »Great bow, Dave. I liked the videos. Impressive speed. Very nice work as always.
Thanks Will. Much appreciated
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Bows / Re: bamboo backed and bellied hickory bow
« Last post by superdav95 on June 01, 2024, 11:28:44 pm »I’ve built that design for some years . If the bow is tillered good it just takes set. If built these bows for 6-8 IBO shooters that are still shooting the bows. They draw smooth, are fast and reliable. But yes they will only break records for a certain amount of time. The design has won many IBO world championships. So don’t knock it till you tried it. Dave is better at it than me so I expect some of Arvin’s records to go down. I am excited to see his interests in the sport. I will continue to help him and others to shoot for distance. If it’s not your cup of tea I understand. I don’t play video games.🤠🤠
Thanks Arvin! I doubt I’m better then you. I may get lucky with your help. Gotta figure out a proper string now and some flight arrows.
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Bows / Re: bamboo backed and bellied hickory bow
« Last post by mmattockx on June 01, 2024, 06:56:33 pm »I started out with about 4.5" after glue up of the belly lams. I had pretillered this bow out to 20" after assembling the boo backing lan to the hickory core.
Beautiful bow, Dave. A couple questions:
1) Did you pre-bend the back lam and/or core lam before gluing them up with the 4.5" of reflex?
2) It's hard to tell from the pics, but it looks like you flattened the belly lam completely, removing all the crown, nodes, etc. Is that correct?
Mark
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Bows / Re: Inaugural “junior” bow trade
« Last post by Muskyman on June 01, 2024, 06:44:50 pm »Worked on these today and the flipped tip one might not make my 45 lbs so I’m left with the other one and it’s still plenty heavy yet. Gonna go slow and try to make sure it works out. It’s my third attempt at my trade bow and my last attempt I’m thinking.
Never had this much trouble making a bow before. Might be I’m just trying to hard to get it perfect, so to speak. The flip tip one is still really close to my target weight and still needs sanding. I haven’t had it to full draw yet so it might just barely make it. Doubt it though.
Never had this much trouble making a bow before. Might be I’m just trying to hard to get it perfect, so to speak. The flip tip one is still really close to my target weight and still needs sanding. I haven’t had it to full draw yet so it might just barely make it. Doubt it though.
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Bows / Re: bamboo backed and bellied hickory bow
« Last post by Will B on June 01, 2024, 06:37:56 pm »Great bow, Dave. I liked the videos. Impressive speed. Very nice work as always.