Post by: Bvas on May 18, 2019, 12:52:44 PM
Anyone done anything similar? Got any pics?
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Post by: Flem on May 18, 2019, 01:07:28 PM
Post by: Bvas on May 18, 2019, 01:14:59 PM
Post by: kennym on May 18, 2019, 03:20:56 PM
Post by: BMorv on May 18, 2019, 04:16:32 PM
I think if you stay out of working portion of fades you will be good. Thinkin it would make a hinge going from g10 to wood near the bending area...Those were my thoughts too. Did this on my current trade bow.
The only g10 pc I had was 11” so I made do.
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Post by: Crooked Stic on May 18, 2019, 04:36:07 PM
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Post by: Bvas on May 18, 2019, 09:21:41 PM
I think if you stay out of working portion of fades you will be good. Thinkin it would make a hinge going from g10 to wood near the bending area...That’s what I was thinking as well. I may also put a core tuff power lam in to be safe.
Post by: Bvas on May 18, 2019, 09:27:14 PM
I really dont think the G 10 is doing a lot of good there.I think that was put in to strengthen the two piece handle.
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Post by: Crooked Stic on May 19, 2019, 12:51:47 PM
Post by: Bvas on May 19, 2019, 05:32:11 PM
I think I need to shorten some pieces and stairstep them as I go up. Right now there are some pretty good gaps with just one clamp. Which means there is some pretty good pressure on the tips of the pieces.
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Post by: Buemaker on May 19, 2019, 06:21:25 PM
Post by: Flem on May 19, 2019, 08:13:07 PM
Post by: kennym on May 19, 2019, 08:19:38 PM
Post by: Bvas on May 19, 2019, 08:55:44 PM
I will probably drill and pin one end to help control the slipping and sliding.
Kenny- Funny you say that. I was staring at it thinking the same thing. So I decided to cut them, but I left them all at least 1” outside the cut lines.
Post by: kennym on May 19, 2019, 09:07:58 PM
Post by: Crooked Stic on May 20, 2019, 09:51:19 AM
Post by: Bvas on May 20, 2019, 12:02:20 PM
I would figure out where the sight window would be. the part you will cut out later. Then drill and pin it there.
Good idea Mike :thumbsup:
Post by: monterey on May 20, 2019, 12:04:26 PM
How about glueing with the lams in place beneath for a precise fit?
Post by: Bvas on May 20, 2019, 03:25:04 PM
I think I would glue up incrementally. Just a few pieces at a time.I had thought about doing it in layers, but Im afraid spring back will be more of an issue doing it that way. And if it does spring back much, I fear the G10 will just rip fibers from the wood accents. That's part of the reason I will have G10 lammed to itself in several spots.
How about glueing with the lams in place beneath for a precise fit?
I am going to wait til I have the lams and place them in the form. Gotta get my stack figured for this one and one for my wife so I can get an order in to Kenny.
Post by: monterey on May 20, 2019, 07:04:44 PM
Post by: Bvas on May 25, 2019, 02:52:57 PM
Anyone have a WAG is to how much thickness I will gain with 19 glue joints?
Post by: Flem on May 25, 2019, 04:08:32 PM
Post by: kennym on May 25, 2019, 10:19:14 PM
Post by: Crooked Stic on May 26, 2019, 06:55:08 AM
Post by: Bvas on May 26, 2019, 04:29:40 PM
But dang it, I forgot to measure the total stack before glue up :banghead:
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Post by: kennym on May 26, 2019, 05:57:04 PM
Post by: Fishinglink on May 26, 2019, 06:10:04 PM
So it was .038" worth of glue!! No way to disprove that!! LMAO
Hahahahaha
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Post by: monterey on May 26, 2019, 06:13:13 PM
Post by: Crooked Stic on May 27, 2019, 08:05:21 AM
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Post by: Bvas on May 27, 2019, 08:58:38 AM
Did you lay it up on top of the lam stack?Yessir. Well, a mock lam stack.
Post by: Bvas on May 27, 2019, 08:59:11 AM
Should a dyed the glue pink then ya could a measured it. :<)
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I’m building this one for me, not Roy.
Post by: Robertfishes on May 27, 2019, 09:18:45 AM
Post by: BigJim on May 29, 2019, 01:14:23 PM
Running it in to the fades is not an issue. Feather it out like normal and it will flex as necessary. May add a couple lbs to draw weight but not if you fade it deeper a little.
I have used it in place of many risers without adjusting much of anything and have never had a hinge, or an issue really. I know stock 3/4" g10 so I only have to glue two pieces.
Every bow I build has a g10 I beam. All of them are 3/4" thick except in special circumstances.
BigJim
Post by: Crooked Stic on May 29, 2019, 02:34:19 PM
Post by: Bvas on May 29, 2019, 04:13:04 PM
Post by: BigJim on May 29, 2019, 04:40:14 PM
BigJim
Post by: Bvas on July 21, 2019, 08:59:52 PM
Anyways, hopefully this will be my new “go to” bow, and the bow I take to CO in 2020.
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Post by: Crooked Stic on July 21, 2019, 09:20:45 PM
Post by: Mad Max on July 22, 2019, 12:03:55 AM
Post by: Roy from Pa on July 22, 2019, 07:25:26 AM
Might look better painted flat black like Stickypops did on his..
:laughing:
Post by: Buemaker on July 22, 2019, 07:56:07 AM
Post by: Shredd on July 22, 2019, 09:54:39 AM
Post by: Bvas on July 22, 2019, 02:05:07 PM
Now you need some Big Jim Dark Timber arrows for it. It looks really nice.I plan on it!!!
Gotta figure out what spine it likes first. Probably gonna be 340s with a 250gr VPA up front.
Post by: canopyboy on July 31, 2019, 02:50:25 PM
Post by: Bvas on August 23, 2019, 05:37:52 PM
And that’s 20yds, not 2ft........Roy :biglaugh:
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Post by: Mad Max on August 23, 2019, 05:49:02 PM
:thumbsup:
Post by: Flem on August 24, 2019, 09:39:16 AM
That thing has some mass to it. Do you know how much it weighs?
Post by: Bvas on August 24, 2019, 01:35:17 PM
Doesn’t have quite the mass I was hopin for. I may have to build another. :goldtooth: If I do, I’ll probably go to 60” and use more Osage in place of some of the walnut.
Post by: BigJim on August 28, 2019, 11:10:18 PM
G10 - 110 lbs per cubic foot
phenolic - about 85 lbs per cubic foot (slight fluctuation depending on substrate)
Macassar or gabon ebony - about 72-75 lbs per cubic foot.
walnut - 38 lbs per cubic foot
osage - 54 lbs per cubic foot
Imagine a longbow riser block that is 1.5" x 1.75" x 18" = 2.7% of a cubic foot... or :
G10 - 2.97 lbs
osage - 1.49 lbs
but the above block is whole and an actual longbow riser block is about 60% waste or more depending on design.
That now makes the weight of the finished longbow riser:
G10 - 1.2 lbs
osage - .58 lbs
So, after all that math, there is only about .62 lbs or 10 oz difference between a solid G10 and a solid osage "completed" riser. That is less then a quiver and about 3 arrows.
Saying all that, it is still desirable added weight.
BigJim