Primitive Archer

Main Discussion Area => Bows => Topic started by: upstatenybowyer on April 30, 2019, 02:13:49 pm

Title: 5 curve profiles
Post by: upstatenybowyer on April 30, 2019, 02:13:49 pm
This is a new design for me and I'm wondering how these profiles look to you. I can say that the set back handle has a noticeable give at full draw, and given the length, the bow shoots pretty comfortably. 

Please feel free to rip it apart.  :)
Title: Re: 5 curve profiles
Post by: DC on April 30, 2019, 02:55:43 pm
That's purty :D :D. Must have driven you nuts tillering it. It looks so right and wrong at the same time.
Title: Re: 5 curve profiles
Post by: upstatenybowyer on April 30, 2019, 03:19:02 pm
That it exactly DC! It's so hard to know if you've got it right.  :-\
Title: Re: 5 curve profiles
Post by: SLIMBOB on April 30, 2019, 03:33:08 pm
Looks good to me.  Nice one working!
Title: Re: 5 curve profiles
Post by: Mafort on April 30, 2019, 03:40:40 pm
Kinda want to do this with a sinew backed cherry stave. How long is yours?
Title: Re: 5 curve profiles
Post by: IrishJay on April 30, 2019, 04:02:20 pm
Very nice.
Title: Re: 5 curve profiles
Post by: DC on April 30, 2019, 05:33:45 pm
That it exactly DC! It's so hard to know if you've got it right.  :-\

It's just an RD with a couple extra curves, how tough can it be ;D ;D ;D ;D
Title: Re: 5 curve profiles
Post by: bjrogg on April 30, 2019, 05:35:14 pm
Well you got more experience with that design than I do. I might take a little off the inners if I had to take any more. Really hard to tell but doesn't seem like deflex is being over stressed. Might help save your handle area from working a little.
I really like it though Jeff. Always wanted to try one myself.
Bjrogg
Title: Re: 5 curve profiles
Post by: upstatenybowyer on April 30, 2019, 06:52:56 pm
Thanks for your thoughts everyone.

Mafort, it's 52" long. It's made with 3 lams- ash, cherry, osage. I think lams or sinew are the only ways to get a bow like this to REALLY hold it's profile over time. Sinew would also allow you to make a short bow bend further.  :OK

That's a good way to look at it Don!

BJ, I think you're right about those inners. I think I'll work them with some 80 grit. Always good to hear your thoughts.  :)
Title: Re: 5 curve profiles
Post by: backtowood B2W on April 30, 2019, 10:36:11 pm
Cool shape! Doesn't look stressed to me. But if, I'm with bjrogg - maybe the Inneres a bit.
I have a narrow long ash stave which has a natural profile in it, like yours - more or less. You give me some inspiration for this one!
B2W
Title: Re: 5 curve profiles
Post by: leonwood on May 01, 2019, 05:26:14 am
That is awesome, love those curves! I agree with the others that you can get some more off the inners, leave the outers alone, they look maxed out to me
Title: Re: 5 curve profiles
Post by: Selfbowman on May 01, 2019, 08:41:30 am
Nice be interested in its performance. Arvin
Title: Re: 5 curve profiles
Post by: bradsmith2010 on May 01, 2019, 08:44:49 am
looks great,, what are the specs,, did I miss that :)
Title: Re: 5 curve profiles
Post by: simson on May 01, 2019, 12:04:09 pm
Nioce bow Jeff! I know the tillering of those 5 curves is something special.
I like the profiles, esp. the unbraced. If it's up to me, I would go for an asymmetrical bow with that pronounced curves (only my opinion).

I'm with the others, if you need more draw work on inners.

Is it osage?
Title: Re: 5 curve profiles
Post by: upstatenybowyer on May 01, 2019, 05:19:03 pm
I love it when there's agreement amongst skilled bowyers. The inners got some scrapes.  :OK

Promise I'll report out on the performance once I get her all finished up Arvin. I wonder how she'd do in the appropriate flight shooting category.

Brad, 52" ntn, 55# @ 26"  :)

Simson, it's ash, cherry, and osage. I thought it'd be hard to get a bow like this to hold its shape without some laminating.
Title: Re: 5 curve profiles
Post by: DC on May 01, 2019, 05:51:01 pm
Did all the shape come at glue up or did you pre-shape the lams?
Title: Re: 5 curve profiles
Post by: Stixnstones on May 01, 2019, 06:07:29 pm
Very cool bow... those 5 curves make my brain hurt  ;D
Title: Re: 5 curve profiles
Post by: upstatenybowyer on May 01, 2019, 06:42:36 pm
Did all the shape come at glue up or did you pre-shape the lams?

pre-shaped all 3

I hear ha stix  (W
Title: Re: 5 curve profiles
Post by: Parnell on May 02, 2019, 05:51:46 am
That looks great, looking forward to seeing this one.