Author Topic: 54" NTN Sinew backed Osage flatbow  (Read 2040 times)

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Offline razorsharptokill

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54" NTN Sinew backed Osage flatbow
« on: August 01, 2019, 11:19:00 am »
I haven't been on this forum in years. Recently I started building bows again. This was a bow I had started years ago. I found a crack near one of the tips that would have been fatal I believe. I shortened both limbs, flipped the tips and sinew backed it. Somehow I got the lower limb longer than the top so tillering has been interesting ::). It still has some tiller issues that need to be addressed but it is getting close. On the upper limb there is a knot hole dead center of the limb about 8" from the fade so I am leery of causing a hinge there so it is tough to get that portion moving. The bottom limb matches it in that it isn't bending much right out of the fades. Should be about 50lb at 27".

Once I figure out what spine arrow it will like, I hope to hunt antelope with it next year in Wyoming. It is pretty short and should be a good bow for shooting out of a blind.
« Last Edit: August 01, 2019, 03:46:09 pm by razorsharptokill »
Jim Richards
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Offline burchett.donald

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Re: 54" NTN Sinew backed Osage flatbow
« Reply #1 on: August 02, 2019, 06:37:31 am »
       You got a lot of bend out of that Osage!...Goes to show that sinew is wonderful protection and is doing it's job on your application...Agree with you on the fades, they need to move a lot more...What does the unstrung profile look like? Looks like a quick shooter...
                           Don
Genesis 27:3 Now therefore take, I pray thee, thy weapons, thy quiver and thy bow, and go out to the field, and take me some venison;

Offline razorsharptokill

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Re: 54" NTN Sinew backed Osage flatbow
« Reply #2 on: August 05, 2019, 11:36:03 am »
More bend than I intended! I checked my tiller tree after reading a post here and realized it was off.  I drew it to over 28" so it won't hold 50lbs at 27 like I thought. It will be closer to 40.  It may be a good thing though. With sinew it may pic up a few pounds when it cooler weather gets here.
Jim Richards
Veteran

USMC 84-88
Oklahoma Army National Guard 88-89
USMCR 89-96 Desert Storm
Oklahoma Air National Guard 2002- present. Operation Iraqi Freedom 2005(Qatar) and 2007(Iraq)
Operation New Dawn Iraq 2011
Operation Enduring Freedom 2018 Afghanstan

Offline sleek

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Re: 54" NTN Sinew backed Osage flatbow
« Reply #3 on: August 05, 2019, 01:06:44 pm »
More bend than I intended! I checked my tiller tree after reading a post here and realized it was off.  I drew it to over 28" so it won't hold 50lbs at 27 like I thought. It will be closer to 40.  It may be a good thing though. With sinew it may pic up a few pounds when it cooler weather gets here.

That's some peace of mind now knowing it will draw further than you intend it without blowing up. Not a bad thing.
Tread softly and carry a bent stick.

Dont seek your happiness through the approval of others

Offline razorsharptokill

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Re: 54" NTN Sinew backed Osage flatbow
« Reply #4 on: August 05, 2019, 02:32:29 pm »
Sadly though it also caused me to come in under my target weight.
Jim Richards
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USMC 84-88
Oklahoma Army National Guard 88-89
USMCR 89-96 Desert Storm
Oklahoma Air National Guard 2002- present. Operation Iraqi Freedom 2005(Qatar) and 2007(Iraq)
Operation New Dawn Iraq 2011
Operation Enduring Freedom 2018 Afghanstan

Offline sleek

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Re: 54" NTN Sinew backed Osage flatbow
« Reply #5 on: August 05, 2019, 03:17:39 pm »
You can glue on raised blocks on the tip, shape them into recurves to get more draw weigh from the bow. An inch tall on each limb will make a difference. 
Tread softly and carry a bent stick.

Dont seek your happiness through the approval of others

Offline razorsharptokill

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Re: 54" NTN Sinew backed Osage flatbow
« Reply #6 on: August 05, 2019, 03:32:01 pm »
Pics of that?
Jim Richards
Veteran

USMC 84-88
Oklahoma Army National Guard 88-89
USMCR 89-96 Desert Storm
Oklahoma Air National Guard 2002- present. Operation Iraqi Freedom 2005(Qatar) and 2007(Iraq)
Operation New Dawn Iraq 2011
Operation Enduring Freedom 2018 Afghanstan

Offline sleek

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Re: 54" NTN Sinew backed Osage flatbow
« Reply #7 on: August 05, 2019, 03:49:23 pm »
I dont have any. Just image a tall overlay glued onto your limb tip. I got the idea from the Traditional Bowyers Bible. I have seen it done, it looks good. I have done a few that raised the nock up an inch.
Tread softly and carry a bent stick.

Dont seek your happiness through the approval of others

Offline johnfolchetti

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Re: 54" NTN Sinew backed Osage flatbow
« Reply #8 on: August 12, 2019, 07:23:01 am »
Welcome back Jim. Looks good.

Offline razorsharptokill

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Re: 54" NTN Sinew backed Osage flatbow
« Reply #9 on: August 12, 2019, 07:34:19 am »
Thanks John.
Jim Richards
Veteran

USMC 84-88
Oklahoma Army National Guard 88-89
USMCR 89-96 Desert Storm
Oklahoma Air National Guard 2002- present. Operation Iraqi Freedom 2005(Qatar) and 2007(Iraq)
Operation New Dawn Iraq 2011
Operation Enduring Freedom 2018 Afghanstan