Author Topic: 1" Lilac sinewed-Tiller help please  (Read 16563 times)

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Offline DuBois

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1" Lilac sinewed-Tiller help please
« on: August 18, 2016, 05:12:11 pm »
Bottom page 5 for update.

I saw a cool bow in this little branch a couple of years ago and got it worked to a floor tillered profile that I corrected some with steam in the middle and dry toward the tips.

1" diameter
9" natural levers, 34" working with bendy handle.
52" total length.
Going to sinew with bison leg.
It is still real stiff. 1/2" thick just before levers and 3/4" at handle.

Would you decrown it just a little?

Also, do you think the siyahs are too long? (Not planning to have string rest on bow at brace)

Before and after pics.
« Last Edit: July 02, 2017, 05:12:21 pm by DuBois »

Offline turtle

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Re: 1" Lilac-Decrown?
« Reply #1 on: August 18, 2016, 06:09:52 pm »
I have no idea. But im realy loving what ya got so far. Cant wait to see what ya end up with.
Steve Bennett

Offline ajooter

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Re: 1" Lilac-Decrown?
« Reply #2 on: August 18, 2016, 06:53:33 pm »
That's a knarly piece of wood man!  Can't wait to see what you coax out of it!

Offline BowEd

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Re: 1" Lilac-Decrown?
« Reply #3 on: August 18, 2016, 07:51:30 pm »
I think your siyahs are your ace in the hole.Keep em long.I'll guess 30 to 35 pounds of draw weight is what you'll get.Going for 28"????
BowEd
You got to stand for something or you'll fall for anything.
Ed

Offline loon

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Re: 1" Lilac-Decrown?
« Reply #4 on: August 18, 2016, 09:07:44 pm »
What are you doing, a Manchu bendy bow?  :P (or maybe more like a Hunnish, Han, something)

Really cool, want to see how this turns out
« Last Edit: August 18, 2016, 09:12:45 pm by loon »

Offline Peacebow_Coos

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Re: 1" Lilac-Decrown?
« Reply #5 on: August 19, 2016, 12:33:21 am »
Cool looking profile, that stick just wanted to be a bow, glad you found it.  If you're going to sinew I think you could decrown, but I don't know if you would want to or not.  I seem to remember a thread about sinew on the top of the crown doing all of the work, versus the sinew on the edges.  Either way it will be sweet, nice work.

Offline BowEd

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Re: 1" Lilac-Decrown?
« Reply #6 on: August 19, 2016, 10:24:07 am »
Decrown it and recrown it with sinew.Clamp the tips of the siyahs to the straight edge of a 2X4 instead of a string giving it reflex.To avoid twisting while sinew cures.Being only an inch wide stability might be a problem.Maybe not.Giving it a little more reflex than what it looks like now in deflex.After curing tiller it like any other bow.For even more poundage horn could be used too on the belly.Can you see it?????.....lol.
BowEd
You got to stand for something or you'll fall for anything.
Ed

Offline Urufu_Shinjiro

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Re: 1" Lilac-Decrown?
« Reply #7 on: August 19, 2016, 11:03:48 am »
That branch wanted to be a manchu or a ming bow when it grew up! I'm quivering with antici..............
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pation

Offline DuBois

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Re: 1" Lilac-Decrown?
« Reply #8 on: August 19, 2016, 03:03:26 pm »
Thanks fellas,
I decrowned it with a scraper and got it real even to just before the levers. Gonna run sinew to just to about an inch onto the siyahs and wrap there.

It bends nicely to near brace height against my chest now.

Still considering if I should try to have the string rest at base of siyahs and not sure if it would mean adding more reflex to do it.
I think I'm gonna have to try to brace it to find out  :-\ ;D

Offline DuBois

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Re: 1" Lilac-Decrown?
« Reply #9 on: August 19, 2016, 03:05:29 pm »
Decrown it and recrown it with sinew.Clamp the tips of the siyahs to the straight edge of a 2X4 instead of a string giving it reflex.To avoid twisting while sinew cures.Being only an inch wide stability might be a problem.Maybe not.Giving it a little more reflex than what it looks like now in deflex.After curing tiller it like any other bow.For even more poundage horn could be used too on the belly.Can you see it?????.....lol.

Yes!! I thought the same thing about horn and I can see it.
Thanks for the tip on the board to stop the twisting. Will do this for sure.

Offline DuBois

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Re: 1" Lilac-Decrown?
« Reply #10 on: August 30, 2016, 08:43:51 pm »
Put a heavy load of bison back sinew on after de-crowning flat with a scraper and pulling it into reflex. Was considering putting horn on the belly but I don't think it would really need it even if I could do it with the sinew on already...but then again I still might >:D

Offline Peacebow_Coos

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Re: 1" Lilac-Decrown?
« Reply #11 on: August 31, 2016, 02:25:06 am »
Lookin good

Offline Stick Bender

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Re: 1" Lilac-Decrown?
« Reply #12 on: August 31, 2016, 04:07:34 am »
Nice profile it will defently be unique !
If you fear failure you will never Try !

Offline joachimM

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Re: 1" Lilac-Decrown?
« Reply #13 on: August 31, 2016, 05:31:36 am »
Quite a challenge!
I fear that you'll get alignment issues, at the very least, or just twisting limbs when you brace the stave. I also guess the brace height will need to be rather high, 7-8" at least. So I'm afraid you'll lose most of the advantage of the reflexed levers.

J

Offline Hrothgar

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Re: 1" Lilac-Decrown?
« Reply #14 on: August 31, 2016, 06:34:56 am »
Looking good, definitely have earned an 'A' for patience and perseverance!
" To be, or not to be"...decisions, decisions, decisions.