Main Discussion Area > Horn Bows
My horn bow build-a-long
DC:
--- Quote from: WhistlingBadger on February 29, 2020, 11:06:07 am ---It is so cool watching this unfold (quit literally!) DC. Thanks for sharing your process. It's fascinating.
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Well it's pushed me to the limit a few times. I'm glad I started this thread otherwise I may have abandoned it. Pride does have a use sometimes ;D ;D
DC:
--- Quote from: bownarra on February 29, 2020, 01:12:17 am ---Before I comment on the tiller. Could you measure the limb thicknesses every 5cm on both limbs and post what you've got.
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OK I hope you can read this. I got the crud and just don't feel like typing a bunch. Left hand side is what I measured. Then to save time I did a little fixing and the right hand side is the after. The picture is after. The discrepancies were minor most were just little ridges in the sinew that I missed. I seem to be having computer troubles so if I disappear for a few days I haven't jumped in front of a bus or anything. ;D ;D
stuckinthemud:
--- Quote from: WhistlingBadger on February 29, 2020, 11:06:07 am ---It is so cool watching this unfold (quit literally!) DC. Thanks for sharing your process. It's fascinating.
--- End quote ---
what he said. I've learned so much from this thread, thanks for posting!
JNystrom:
I think you should really concentrate the bend on the first 1/3 of the limbs. Now the outer limbs are bending way too much. I hope you got some poundage left on it. The beginning shape doesn't really show much kasan eye angle, so the final bow wouldn't show it that much anyway as a more "normal" turkish shape.
It looks like the bow in general likes to bend, even the kasan parts so you have gotten past the worst part!
Here is some measurements of some of my bows, a typical turkish: limb next to handle 13mm thick, mid sal (most bending part) 12,2mm, kasan eye 11,7mm and from there quite fast growing to kasan 15mm.
Just to remember: horn and sinew will stand a lot of bend. You will get speed (efficiency) and balance in the bow if you concentrate the bend more. Even a momentarily hinge that would "destroy" wood bow, wont do much to hornbow. Also, if you make the bow bend too much from outer parts, you will end up keeping an awful lot of reflex and the bow will be hard to brace.
Anyway, its close to brace, you will do fine. :)
Oh and about the nocks, 55-70mm from the end of kasan was normal length. So what ever you choose. Of course you can scale it to your liking, for short bow (40") a 55-60mm is fine, longer (46") 70mm. Crimean tatars were longer bows with lengths about 46-54" so they had quite much longer, 80-90mm nocks.
DC:
I thought I would put a full group of pictures on this page. I leave the stretcher bar in all the time now. I can see that the right sal has more reflex bend than the left.(Edit-or maybe it is in the eye) What should I do about that if iI shouldn't heat the sal. The weight will be what the weight will be. I can only pull 40# and it feels like it will make that but what do I know. These things change a lot as you bend them.
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