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Holmegaard build along
adb:
Hi, Everyone
Well... here we go. As requested, a Holmegaard build along. I have been commissioned to build a Holmegaard bow. 66", hickory backed osage, pin nocks, 52 - 57# @ 27". This will be a backed board bow. Not exactly primitive. I will also be using power tools, namely a bandsaw. Final tillering, of course, will be done by hand.
I am by no means an expert. I certainly don't profess same. This is the way I do it. I'm sure some will disagree, but I've been very pleased with how these bows have turned out.
For today, I've done the glue-up. Pictures to follow.
adb:
First pic is of my gluing form. 3 pieces of 3/4" plywood glued together, which makes it 2 1/4" wide. 78" long. 2 1/2" thick. The top surface has been run over a joiner to make it dead flat. Then, I tape the surface with clear packing tape, so the glue won't stick to it. The middle section has been left thicker, so I can place it in the vice. I've drilled a large hole through to allow a clamp at mid section.
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adb:
As mentioned, this will be a hickory backed osage bow. I'm using 1/8" hickory, 2" wide, cut quarter sawn, so the grain runs full length, with no grain run-off. The osage is 68", rift sawn, nice straight grain, running full length, again, with minimal run-off, and no knots. Both boards, I have cut myself.
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adb:
OK, on to glue-up. I'll be using TB3. All surfaces must be clean, for a strong joint. Any dust will cause a weak joint, so I use my shop vac to clean my bench top and board surfaces. Gluing happens at the molecular level, so there is no need to rough up the surfaces to be glued.
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adb:
Osage tends to be a bit oily, so I like to clean the gluing surface with isopropyl alcohol. I use presaturated swabs, which are lint free. I allow at least 20 mins. for it to dry. I don't do this with the hickory.
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