From: SdDiamondArcher
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Date: 04-Mar-18 |
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Ok guys, I could use a little advice on correct arrow spine. I am looking for some new arrows that I can use with both my 44# and my 40#. I am looking at the Easton epic n-fused from 3rivers and not sure whether to go with a 500 or 600 spine. Shooting them first and deciding is not an option. I think a 600 would shoot better out of my 40#, but would probably be too weak out of my 44#. I am think the full length 500s with a 80 grain insert would be my best option and allow me to just change out tip weight depending on what bow I am shooting. I currently have some ICS 500 that are full length with regular inserts that shoot pretty good out of my 44# with 200 up front, but are too stiff for the 40#. What do you guys think, 500 or 600 to give me more options?
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From: SdDiamondArcher
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Date: 04-Mar-18 |
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And the 80 grain insert is just a suggestion. Maybe it would be 50 or 100, all I know is I want heavier insert. In my head, I’d like to shoot 150 grain heads with my 44# for deer.
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From: Rick Barbee
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Date: 04-Mar-18 |
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This does not answer your specific question as to which,
BUT
4# of draw weight won't make a huge difference in spine requirement. It's significant, but not huge.
I suggest getting an arrow set up to match the 40# bow, then just build the strike plate out on the 44#er to get that arrow to shoot properly from it.
Rick
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From: Orion
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Date: 04-Mar-18 |
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Hmmm. think you're kind of in the middle.
I shoot .500 and .600 Axis shafts out of 40-46# hybrids and cut to center recurves without changing anything. Insert and point weight on the .600s is 145 grains. On the .500s, either 225 or 250. Could probably go somewhat lighter with the .500s, but not sure if they would still fly well out of a 40# bow with 150 grains up front.
I'm shooting feathered shafts, of course. I haven't bare shafted them. Probably be some winners and losers if I bare shafted, but with feathers, they all fly extremely well.
If I had to choose one, I'd probably go with the .500. I've always found that I can overspine a bow quite a bit, but underspine, not so much.
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From: del of logan
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Date: 04-Mar-18 |
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I'd go with the 600's. I use them up to 45# and I have a 29" draw.
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From: Orion
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Date: 04-Mar-18 |
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I assumed a cut to center recurve or hybrid and low stretch string and average draw length (28 inches or so). If you're shooting a self bow, or cut proud of center longbow and a dacron string, and or have a shorter draw, you would likely do better with with the .600s.,
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From: SdDiamondArcher
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Date: 04-Mar-18 |
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It’s 40# Darton ranger super flite, I draw at 28”. String is b50 Flemish. Not sure about center cut of the bow. In my mind, I’d like to shoot 200s on my 40 and 150s on the 44
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From: DanaC
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Date: 04-Mar-18 |
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I'd shoot 600's from a 40 and a 44. Easy to tune with either a slight build-out or a change of point weight.
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From: George D. Stout
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Date: 04-Mar-18 |
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As above, a 600, especially when using Dacron on those bows. The 4# won't have much impact on that spread. You may even use the same tip weight, just a matter of tuning and seeing what works.
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From: timex
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Date: 04-Mar-18 |
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I'd say 600 & Possably shorten them to find a happy medium between the two bows
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From: Babbling Bob
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Date: 04-Mar-18 |
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Didn't mention the draw length.
As a comparison, the Axis Trad 600's with about 160 to 170 grains of total weight up front (brass inserts plus point) shoot great from three 45lb, a 43lb, and two 40lb bows of mine with 28.5-inch shafts. They are not a match on Stu's calculator but still work fine. I could use regular black shaft Axis 700's for the 40lb'ers and they would match better, but like to keep my shafts the same 'til my wallet gets thicker. Can pull some heavier weights out of the tackle box for the lightest of my bows, and could even put light points on the 600's if I buy a heavier bow up to probably high 40's and I'm sure they would shoot good. Just how I do it but hope this helps.
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From: Bowmania
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Date: 04-Mar-18 |
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If you can give me a good reason for a 80 grain insert, let's hear it?
Here's one against it. 125 grains about the least weight tip you can use. That's 205 with your 80 grain insert. If through the tuning process you find that 150 or 175 tunes, what are you going to do? UNGLUING IS NOT EASY.
When you can unscrew and screw in a tip form 125 to 300 or if you need more you can take 160 grain glue on field tip, add a 125 grain field point, and a Woody Weight from 75 to 200 grains. That's 485 GRAINS. Actually a handy tip to have around to make an arrow do the opposite of what it's doing with a light tip.
Bowmania
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From: GF
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Date: 04-Mar-18 |
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I’d order 2 or 3 of each from Lancaster and get a really heavy-weight point test kit. Once you know what total weight you want to hit, you can decide how to get there.
Personally, I can shoot a 28” 600 with 125 up front from bows marked #50- #55@28”, so I’d give the 500s a pass, but I get why you might want more weight overall.
Speaking of which.... have you considered the humble aluminum arrow?
Overall, though, I think I like Rick’s suggestion of simply building out the sideplate and tuning the two bows to a single arrow. It would probably be a very modest adjustment....
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From: sqrlgtr
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Date: 04-Mar-18 |
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I've been using the gold tip traditionals with the fact weight system and really like it.Now I can simply remove the nock and add/subtract weights from the back of the insert and tune my arrows that way.I can use the same broadhead/field point combo on the arrows by simply add/subtracting weights for two different bows.
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From: fdp
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Date: 04-Mar-18 |
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It's going to have as much t do with the centershot orientation of the bows as anything else just like mentioned. If the 40lb. bow is closer to center, then you can do it easily. Simply set the bow up as close to center as possible, tune the arrows, and then do whatever you have to do to the other bow centershot wise to make them shoot.
As was said earlier, 4lbs. isn't a big thing in and of itself.
Personally, I'm not afan of any kind of internal weight system at all. I'd much rather use a heaiver point if needed. But, ultimately, I'd rather have the arrows spied to shoot the point weight I want to begin with.
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From: 2 bears
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Date: 04-Mar-18 |
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600 since the 500 required 200 grains up front and is too stiff for the 40#. I shoot 600's out of 45 pound bows and I draw 29.5. Good luck. >>>----> Ken
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From: Orion
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Date: 04-Mar-18 |
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Darton is cut to center, I think. Regardless, with the dacron string and lighter point weight you want, I agree the .600s will probably work better. .500s will work as well, but will need to front load them much more.
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