From: papadeerhtr
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Date: 20-Jan-21 |
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Hey guys my new bow which is 52lb at my draw,just like my other bows. I shoot GT 400 out of all them. they all shoot good and straight except for the River Raisin I just got. These tend to have knock going to the left when hitting target. Is there any thing made that I can add say 10 grain to tip at a time. I shoot 125 grain heads.
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From: George D. Stout
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Date: 20-Jan-21 |
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Are they "fishtailing" on the way to the target. How they are oriented in a target is of little help, especially if they flew well to get there. Flight is the goal.
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From: PEARL DRUMS
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Date: 20-Jan-21 |
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Change how/where you are holding the bow.
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From: Andy Man
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Date: 20-Jan-21 |
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center shot different on that bow?
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From: GF
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Date: 20-Jan-21 |
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Hold on.
Back up.....
What is the length of your arrow???
What is the cut-to-center on the bow (including strike plate)?
And what is your string? Brace height?
If you have very similar bows that shoot the same arrow perfectly well, I would suggest you begin by adjusting your brace height. I don’t know as I would bother adding 10 grains at a time to your arrow, considering there are 7000 of them in a pound. 10 at a time might make sense if you were doing really fine tuning, but it sounds like right now you have a very substantial disconnect between the arrow you have and the arrow you need.
But JMO, the easy way to see if you have a major issue is to strip one arrow bare and (starting CLOSE) just see where it hits. If you don’t detect a major issue by 20 yards, you don’t have one. And if you DO have one..... you’ll probably notice it well inside of that mark.
Personally, at #52, I need a 500 series shaft & 200 up front, but I cut my shafts to about 28”; with a 400 equivalent, 31” and 175 grains is too stiff for any of my bows in that weight range.
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From: fdp
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Date: 20-Jan-21 |
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Adjust the brace height. In fine tuning fishtailing is brace height, porpoising is nock point. That is for arrow flight issues. Nock orientation in the target is a completely different thing and in my mind meaningless.
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From: Bowmania
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Date: 20-Jan-21 |
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I agree with Frank.
Arrows don't tune to the poundage of the bow. They tune to the energy delivered by the bow to the arrow. So to me it's more unusual that all your other bows tune to the same arrow.
If you're getting arrow 'kick' with a fletched arrow it's way off. Try tuning with this www.fenderarchery.com/blogs/archery-info/basic-tuning.
Bowmania
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From: aromakr
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Date: 20-Jan-21 |
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Fish tailing during flight is also a spine issue, you haven't mentioned what your draw length is or how long the shafts are! 400's are pretty stiff.
Bob
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From: Chairman
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Date: 20-Jan-21 |
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What is your center cut? 400 sounds awfully stiff to me.
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From: papadeerhtr
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Date: 20-Jan-21 |
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I shoot a 31in arrow. Total arrow weight 425. I do notice some fishtail in flight. Its not real bad, I think this bow cut past center.
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From: 6bloodychunks
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Date: 20-Jan-21 |
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assuming youre a righty.
400s at that poundage showing nock left sounds like a false weak reading.
shafts that are too stiff and slamming into the riser/shelf will kick the back end out.
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From: Pdiddly
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Date: 20-Jan-21 |
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I think your spine is too stiff even with a 31" shaft. Increase the point weight to see if it improves.
And fine tune the brace carefully...as others have said, fishtailing is the symptom to the wrong BH.
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From: RymanCat
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Date: 20-Jan-21 |
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Fish tailing or porpoise? Up and down or side to side?
I never worry about arrow how it shows especially with a carbon in a target. It should be how it looks getting there.
I would try the same thing as increase point weight to see what happens and if that helps do you understand what's wrong with your arrow then?. Some will say nothing but I don't.
Side plate discussions to me is really fake news. Spine your arrows to bow and cut your length then mess with weight up front if you have to the spine is to heavy. Get the brace set right and nock set. Cant change everything at once you have to have a starting point then work out from there.
There are always variables to contend with so that's why we need to learn what to do next or get a mentor and let them you straighten your issues out.
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From: Draven
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Date: 20-Jan-21 |
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Bad release
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From: Draven
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Date: 20-Jan-21 |
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PS When I read "fishtailing" it is arrow in flight not on target.
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From: fdp
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Date: 20-Jan-21 |
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Me too Draven.
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From: George Tsoukalas
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Date: 20-Jan-21 |
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Sounds like a spine issue to me. For a righty nock left is under spined. Adding weight to the point will not help. That will make it more under spined. Add a lighter point.
Jawge
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From: GF
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Date: 20-Jan-21 |
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JMO, ain’t no way he’s underspined with a 400 arrow and 125 gr points.
With similar poundage, arrow spine/length, and a somewhat heavier point, big fletchings have allowed me to shoot those arrows OK.... but they’ve never been Right. Maybe I’ll strip one down just to see how much I have to put up front to make them fly straight-ish for 15-20 yards, but I’m gonna guess it’ll be a pile....
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From: longbowguy
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Date: 21-Jan-21 |
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Take a few steps forth and back and you will likely see different results at different distances. You will not get all wigs; there will also be wags. A certain amount is normal but should settle down between 15 and 20 yards, maybe a bit less.- lbg
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From: papadeerhtr
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Date: 25-Jan-21 |
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Hey guys thanks for all inputs. I raised my knock point a little and really concentrated on my release. Arrow really straightened out thanks again.
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From: Therifleman
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Date: 25-Jan-21 |
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You can get away with a nock height a bit higher, but when you get too low it becomes very difficult to isolate tuning issues as fletching contact becomes an issue. I always seem to end up 3/4" or higher so i start out at 7/8" and work down from there. Could be something at my end, but a nock point any lower just doesn't work. Glad you got it figured out.
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