From: GF
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Date: 21-Nov-18 |
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I think I’ve found a bow that’ll scratch an itch I’ve had; it’s a well-respected R/D longbow and should be hitting #60-#62 at about my DL. I’m looking for a 28” arrow that will weigh at least 480 grains for roughly 8 GPP. Stu’s calculator is saying I need a dynamic spine of about #65... somewhere in there.
The 2016s I Shoot from the #55 recurves are about right in spine, but about 40 grains shy of 8 GPP.
2018s (with a 125 TD point) are about 8.2 GPI but spine #10 heavy... maybe a 150 grain point?
I would think my sweet spot for arrow mass (all up) would be right around 525-550 grains.
Anybody know how to get there with a carbon? I suspect it would be easily done in Doug Fir when I get ready to shoot woodies full-time, but a guy needs some stumpers ;)
I can get the bow for a test-drive, but I want to have the right arrow for it. Most of the arrows I have on hand will be around 7 GPP at that DW, and I’m not keen on blowing it up!!
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From: George D. Stout
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Date: 21-Nov-18 |
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2018 should work at 28" with 125 tips. I can shoot them from my 52# bow at 29" long and 145 tips just fine...that's a low stretch string. They fly perfectly. I mostly shoot the 2016 and they have plenty of mass to do-in any North American game.
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From: fdp
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Date: 21-Nov-18 |
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2018 will work fine.
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From: DFinch64
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Date: 21-Nov-18 |
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I shoot 2018 out of my 60# montana longbow cut 28" and they fly like darts with a 200 gr head
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From: Tlhbow
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Date: 21-Nov-18 |
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CX 250 with a 125 grain point will be very close. They weigh 11 grains per inch. Sure you know to start longer, than intended lent as carbons to me are stiff.
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From: GF
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Date: 21-Nov-18 |
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That would be great - they were always a bit stiff for the Hunter @ about #53, bit that’s a good, tough shaft that’ll really haul some freight!
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From: 2 bears
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Date: 21-Nov-18 |
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Fir is easy to make weight. Rule of thumb for aluminium thicker wall to get what you want weight wise. Diameter for spine. Carbon nearly every one just loads up the front end. There are a couple of heavier carbons Byron Ferguson has one but I have no experience with them. I am just a light weight.8^) You won't blow it up at 7 gpp but it won't sound as good or be as well behaved.Good luck. >>>----> Ken
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From: Stumpkiller
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Date: 21-Nov-18 |
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70-75# Douglas fir with 125 gr broad heads. Why wait?
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From: GF
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Date: 21-Nov-18 |
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Time, tools and talent, Stump!
Time, tools and talent....
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From: Stumpkiller
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Date: 22-Nov-18 |
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And here I never tried carbon because no one ever showed me how to order one.
Aluminum I was terrible at (1980 to 1982 - poor results).
Wood arrows were used for the first 10,000 years or so of archery. It ain't that hard.
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From: Pdiddly
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Date: 22-Nov-18 |
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For 60-62# 2117's with a 165 grain Zwickey up front would also be an excellent choice...tough shaft and good arrow weight.
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From: DanaC
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Date: 22-Nov-18 |
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You can make up that spine diference by leaving your 2018 a bit longer and adding a point weight. You'll probably still come in a bit under 9 gpp.
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From: GF
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Date: 22-Nov-18 |
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This reminds me...
I found some Ace 5/16” glue-on adapters, but those are undersized for the Ace Standard head, correct?
It would be great if I could shoot a 2117, since Wild Bill sent me a lifetime supply of glue-in inserts, and then if a 2117 gets bent, it just becomes footings for carbons :D
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From: GF
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Date: 26-Nov-18 |
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Update: I don’t think the 2117 is gonna happen. It MIGHT, but I’ve been thinking maybe my draw isn’t (or shouldn’t be) quite as long as I think...
Seems odd, though....
A 2117 should net out at about 9 GPP - near as I can figure it with some help from Stu’s calculator.
A 2114 would come out about right for spine, but would weigh in at the bottom end of what I’d care to put through the bow in question.
2016 is too light to spine... I think a 2018 is on the stiff side unless I leave it long enough to be heavier than I want...
Would a 1918 go?
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From: Tlhbow
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Date: 26-Nov-18 |
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How about 2216?
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From: GF
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Date: 26-Nov-18 |
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Huh?
2216 spines about #84 vs. #78, so it’s a chunk stiffer than a 2117....
I guess it’s a good thing that I’m back in front of the Calculator hear… 2117s might be the ticket if I just leave ‘em a bit longer, or 2018s look OK, too.... both of those come out around 9.2-9.4.... A 2114 could be an option, but that and the 2016 both run only about 7.5 GPP...
Just seems odd to me that it should be kinda difficult to find a spine (in aluminum) that works in the high #50s with a 28” arrow and comes out around 8.0-8.5 GPP.
I can hit mid 7s, low-mid 9s or 10....
Maybe this is where I start building out the plate...
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From: Kelly
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Date: 27-Nov-18 |
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There are 2115’s that spine similar to 2018’s but lighter in grain weight.
But if it was me I’d go with 2018’s.
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From: GF
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Date: 27-Nov-18 |
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Yep - plenty to recommend the 2018; plenty of mass and plenty durable.
But a lighter/stiffer shaft lets me use a sturdier head, so there’s that.
First thing to do is get the bow in hand...
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