Trad Gang
Main Boards => PowWow => Topic started by: Hoosierarcher88 on March 27, 2020, 10:55:46 PM
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I recently picked up a 40# great northern bushbow and once you factor in a dacron string, the centercut being before center, the side plate and my 27.25" draw i need a dynamic spine around 29#. Im currently shooting full length 1716 aluminums with 125 grain tips which put me at 10 gpp but im having trouble finding any other arrow options that are wear enough without being either way too light or have to be 32-34" to spine out correctly. Should i just be happy with the arrow selection i am currently using which shoot fine or should i still go for something slughtly heavier for hunting
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If your current setup is shooting fine, is there any real need to keep looking? 10 gpp sounds pretty good to me.
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I guess it just feels weird only shooting a 400 grain arrow for hunting.
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You could always build out your side plate. Or go to carbons find a shaft with a lower gpi and higher spine than what you're shooting and put more weight up front. Or both Haha.
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Douglas Fir would probably get you to where you wanna be.
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Why not step up your point weight to say 200 and then you would have a lot more options. Putting a padded skinny FF on it would help a good bit too. I've blown thru whitetail and stuck in the ground with a 45# bow and 500gr arrow setup.
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10 grs. per pound of bow weight is perfect for that bow. A good tuned arrow and sharp broadhead are more important than an arrow that's heavier than it has to be.
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There's an old saying "if it's not broke, don't fix it"
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Big Jim set me up with GT Entrada 600 carbons for my 40# bows. I use 200 grain heads and pull 27 1/2". Work great...tippit
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Based on your shorter draw. I think you would really benefit from 40/45 spruce shafts from custom king , 40/45 fir or 45/50 cedar. You will be hitting around 500 grains with a 29 inchish arrow and 125 grain head. Should fly perfectly and get you the weight you want. I use the spruce shafts from kustom king 28 bucks a dozen weight matched plus minus 5 grains 5lb spine. Never had a bad batch.
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Since you are shooting aluminum I see that you aren't strictly a wood arrow shooter. In that case I would suggest you go to carbons. I noticed a big difference in penetration when I switched to carbons and front loaded them. Like stated above a 600 spine carbon should work fine.
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An 86-year-old friend of mine shoots daily and refuses to consider an end to his deer hunting. He has gotten his deer each of the last two years, shooting a 31# bow and 400 grain arrows. Your projected setup is a lot more stout than his. You'll have no problem.
Mark
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Ive killed enough deer w 400 grain arrows to tell you that hunting w 400 grain arrows should not feel weird. I haven't bought into the ultra heavy arrow concept. As you know, tuned, sharp, and well placed is key.
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I've been shooting 40-45# bows for a bunch of years; my preference is always wood (so far, anyway). I can rarely get a 10GPP arrow with either spruce, cedar, or doug fir. That's with 125grn heads, and a light finish of tung oil. I end up shooting 10.5 or 11gpp at best.
I always ask for the lightest (premium) shafts, preferring a flatter trajectory out to 20+ yards. You'd have no trouble whatsoever getting a heavier arrow if you're open to wood shafts, but my preference would be staying with 10GPP.
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With my 42# to 45# Caribow longbows I have been using Trad only 600 at 29 1/4 in. at 27 in draw. They come out at 400 gr with 145 gr out front. They bare shaft great out to 30 meters and I got full pass through this year on a nice white tail. Sharp broadhead and placement are everything.
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James Pyles of JP Enterprises has light spine wood shafts. I believe 25/30 and 35/40 He builds the for 3Rivers
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1716 seems much much too low, should be around 1916 maybe even 2016 if full length. im surprised it hasn't gone through your hand.
This chart has very rarely let me down whether its recurve, longbow, selfbow, ect.
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I recently picked up a 40# great northern bushbow and once you factor in a dacron string, the centercut being before center, the side plate and my 27.25" draw i need a dynamic spine around 29#. Im currently shooting full length 1716 aluminums with 125 grain tips which put me at 10 gpp but im having trouble finding any other arrow options that are wear enough without being either way too light or have to be 32-34" to spine out correctly. Should i just be happy with the arrow selection i am currently using which shoot fine or should i still go for something slughtly heavier for hunting
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1716 seems much much too low, should be around 1916 maybe even 2016 if full length. im surprised it hasn't gone through your hand.
This chart has very rarely let me down whether its recurve, longbow, selfbow, ect.
Well you got to think, my bow is cut before center plus has a strike plate, im using a dacron string not fast flight, my arrow is 28.5" and my draw length is 27.25". The bow is rated 40 @ 28 so i am only shooting about 38# @ my draw length. According to that chart that puts me one block weaker than the A block for aluminums.
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I thought I had posted a reply previously but I don’t see it. One option for you so that you don’t have to buy a whole bunch of various weight points is to try the PDP weight system for your aluminums. They allow you to screw on small weights to the back of the insert and thus vary the weight at the front. Using those would allow you to experiment with a whole variety of aluminum shafts and lengths to find an arrow that flies properly and gives you the desired overall weight.
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Well you got to think, my bow is cut before center plus has a strike plate, im using a dacron string not fast flight, my arrow is 28.5" and my draw length is 27.25". The bow is rated 40 @ 28 so i am only shooting about 38# @ my draw length. According to that chart that puts me one block weaker than the A block for aluminums.
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I think you used the chart wrong, you said you shooting those 1716 full length in the. which is 32". You go by what you cut the arrows to not your draw length. so if you use the right side 125, 35-40 and go to the left at 32" you should be shooting a 2016. then you can tune from there a bit with points. if you are shooting a full length 1716 you are dangerously underspined, because there is also 1816(0.756) and 1916(0.623) between 1716(0.880) and 2016 (0.531). Im not trying to be an ass or anything im genuinly concerned with your saftey, ive seen arrows through peoples hands shooting arrows underspined. Also would easily give you a more heavy arrow. 32 grains in the shaft alone.
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Well you got to think, my bow is cut before center plus has a strike plate, im using a dacron string not fast flight, my arrow is 28.5" and my draw length is 27.25". The bow is rated 40 @ 28 so i am only shooting about 38# @ my draw length. According to that chart that puts me one block weaker than the A block for aluminums.
I think you used the chart wrong, you said you shooting those 1716 full length in the. which is 32". You go by what you cut the arrows to not your draw length. so if you use the right side 125, 35-40 and go to the left at 32" you should be shooting a 2016. then you can tune from there a bit with points. if you are shooting a full length 1716 you are dangerously underspined, because there is also 1816(0.756) and 1916(0.623) between 1716(0.880) and 2016 (0.531). Im not trying to be an ass or anything im genuinly concerned with your saftey, ive seen arrows through peoples hands shooting arrows underspined. Also would easily give you a more heavy arrow. 32 grains in the shaft alone.
[/quote] full length on 1716's isnt 32" they list them as 29" but really from inset to nock throat they messure 28.5".
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Ah you are correct, ive never shot 1716 so i naturally assumed they were 32" but still at least a 1816. a 1916 would be better if want to load the tip weight up a bit. im not sure a 1716 is suitable for hunting. i believe its only a jazz arrow
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Here is an example of how I have used the PDP weights in the past for one of my setups. It is too heavy for yours, but gives you the idea. Basic arrow is 2016 Gamegetter II aluminum at 29 3/8 BOP. That arrow weighs 390 gr with the 30gr pdp insert. Add 40gr of weights and 125gr broadhead gets me an arrow that weighs 555gr, That spines at 47.1#. Before the weights, the calculator shows that arrow spines at 60#.
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I recently picked up a 40# great northern bushbow and once you factor in a dacron string, the centercut being before center, the side plate and my 27.25" draw i need a dynamic spine around 29#. Im currently shooting full length 1716 aluminums with 125 grain tips which put me at 10 gpp but im having trouble finding any other arrow options that are wear enough without being either way too light or have to be 32-34" to spine out correctly. Should i just be happy with the arrow selection i am currently using which shoot fine or should i still go for something slughtly heavier for hunting
pick up black eagle carnivore and load the front end up with some 265 tuffheads. high foc and a strong consistent shaft - whats not to like
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If you go to a heavier draw weight you can shoot heavier arrows for same or better speed, and greater momentum for hunting.
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I recently picked up a 40# great northern bushbow and once you factor in a dacron string, the centercut being before center, the side plate and my 27.25" draw i need a dynamic spine around 29#. Im currently shooting full length 1716 aluminums with 125 grain tips which put me at 10 gpp but im having trouble finding any other arrow options that are wear enough without being either way too light or have to be 32-34" to spine out correctly. Should i just be happy with the arrow selection i am currently using which shoot fine or should i still go for something slughtly heavier for hunting
Don’t over think it. Shoot an arrow that flies good and you’re all set. You will waste a lot of time, money, and energy on this, trust me. Lol. I’d shoot wood instead of aluminum if you want more weight, but I’d stick to aluminum or wood with a normal head weight. It’ll fly good and I’ve killed plenty, as have many many others with a rig like that without heavy FOC and All that newer stuff. Or if you like to tinker get after it. I’ve seen family members kill deer with 32# and wood arrows light zwikeys no problem. You’re keeping shots short regardless.
I will say that I would think a 1916 would be the right arrow and just adjust the length..should work fine that’s what I shoot out of 40#