My draw length is 29 1/2 inches and draw weight is 70 pounds. I'm shooting golden tip xt hunters 340's. The problem I'm having is that at 20 and 30 yards my arrows stay true but at 40 and 50 yards they start to wobble a little bit before hitting the target. The bow was tuned and I had it paper tuned as well. Any help would be greatly appreciated. Thanks! Sent from my SAMSUNG-SM-G891A using Bowhunting.com Forums mobile app
I shoot the same arrows my draw length is 29 inches shooting 66 67 pounds my arrows are cut to 27 inches mine fly great Sent from my iPhone using Bowhunting.com Forums
You could try cutting 1 inch off of one arrow to see if that will make a difference Sent from my iPhone using Bowhunting.com Forums
Yes thank you! I did some research and with my draw length and weight I should be shooting a 400 spine. I'm going to uparade arrows first and give that a try. Sent from my SAMSUNG-SM-G891A using Bowhunting.com Forums mobile app
You should not be shooting a 400 spine at 70lbs and 29.5" DL, 400 is weaker than 340. You could go to a 300, but definitely not 400. But really spine issues often expose themselves in left/right issues. Not wobbles at different distances. Wobbles are often a form issue, like trying to watch the arrow and not concentrating on a clean release and follow through until the arrow hits the target.
So, how come an Easton arrow chart on the back of a box of Bloodlines hanging on a rack at Sportsman's Warehouse show you can shoot a 400 spine with 70# draw weight? Just wondering if anyone knows why...
I wouldn't shoot 400 at that length and poundage. Those charts are extremely generalized. Its worth it, if you want your arrow spine to match up as best as it can, to use some software to calculate you exact sweet spot for arrow length and spine. It takes into account your specific bow and arrow set up down to the type of nock you are using and how much your vanes weigh
I agree and reiterate you're definitely not a 400 spine. To be clear your XT Hunters are labeled XTH7595, correct? The 5575s are .400 spine. Someone above mentioned backing the poundage down. Before you cut your arrows try your bow at 66# and maybe down to 62# if it has enough range. If lowering the weight trues your arrow flight up you may be slightly underspined. If it doesn't, you may have a form issue. IMO .340 should be money for that setup. Have a friend that's a good shot shoot from that distance and you watch the arrow. Shortening the arrow will stiffen it a bit as well as lowering the head weight. If you're shooting a 125g head you could lower to 100g and cut an inch off and it will stiffen. The only problem you'll have is if you have your arrows at a certain length and certain head weight to achieve a predetermined arrow weight and FOC, this will obviously mess that up.
Just wondering what someone else thinks - I have my own take on to why they publish it that way, I shoot 330 spine for specific reasons.
Your bow isn't tuned correctly. The reason you see poor arrow flight at longer distance is because it is more noticeable. You can bet the arrow flight is just as poor at shorter distances albeit it's less easy to see.
Are you filming your arrow flight with a high speed camera or something. I know I can't tell if my arrow is wobbling that far out visually.
