Main Discussion Area > Horn Bows
My horn bow build-a-long
sleek:
--- Quote from: bownarra on November 04, 2019, 12:26:00 am ---Are all applications the same? ;)
--- End quote ---
I'm sorry, I dont understand.
bownarra:
To glue horn effectively with hide glue first you must make the surface smooth. Then size it with 5% glue around 20 times in warm conditions. Then heat it to 40 degs and glue with 30 - 35% glue whilst everything is hot. Solid clamping is a necessity.
Now try and do all this on a horn belly that is already glued up into a bow.....don't get me wrong it is possible but personally I've found it not worth the bother. The sinew is in compression and tends to lift off the belly. Also when tillering unless you are super lucky and the bow doesn't need any tillering you end up removing it anyway. As long as the sinew is the correct thickness on the sides and is blended into the curve of the belly I haven't had any problems with no belly sinew.
DC:
So if this bow turns out to be ,say, 55#. 10# too heavy. If I only have 1/8" of horn(possibly less because of the grooves) will I be able to get it down to 45# by scraping the horn or will I have to narrow the sal/eye? If the horn gets too thin will it buckle? How thin is too thin?
bownarra:
How long is a piece of string :)
If you followed those dimensions I gave earlier for the 45#'er you will be ok.
2mm is about the mimimum for horn thickness.
DC:
Getting close to time and now I'm starting to have doubts. I had to remove quite a bit of sinew to even it out. Is it too late to add one layer of full length sinew? Would it stick well?
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