Fletching problem become FOC problem

Crossbow Hunting
norwegandeerhunter
Posts: 30
Joined: Sat Jan 16, 2010 10:54 am

Fletching problem become FOC problem

Post by norwegandeerhunter »

Hi! I just ordered my first fletching jig, arizon ez fletch. I pursed one 4% offset and one right, I have tried both and cant see much difference with my eyes. When I tested at the shooting field the bolt with the right fletch made the same speed as the 4% offset? Can anyone correct me at this, is not the stright fletch assumed to be a little faster then the right with the same bolt?

Regardless if the fletcher is to aluminum, I ordered carbon but got to aluminum bolts.
Last edited by norwegandeerhunter on Sat Jan 22, 2011 11:12 am, edited 1 time in total.
Normous
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Re: Fletching problem

Post by Normous »

If your cronograph test was done near the rail where the bolt leaves the deck like most tests are done, you will not notice a difference in speed between the 4 degree and straight fletch, assuming both weigh the same. Even at 10 yards the speeds should be equal.
Down range at 40 yards+ the 4 degree arrow might show a very small decrease in speed compared with it's straight fletched counterpart and broadhead selection.
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timbikeride
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Re: Fletching problem

Post by timbikeride »

enormous wrote:If your cronograph test was done near the rail where the bolt leaves the deck like most tests are done, you will not notice a difference in speed between the 4 degree and straight fletch, assuming both weigh the same. Even at 10 yards the speeds should be equal.
Down range at 40 yards+ the 4 degree arrow might show a very small decrease in speed compared with it's straight fletched counterpart and broadhead selection.
Agreed. The speed difference will be very minimal.
norwegandeerhunter
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Joined: Sat Jan 16, 2010 10:54 am

Re: Fletching problem

Post by norwegandeerhunter »

Very nice. I dont see why i should fletch my arrows straight from now.

Thanks for the help!
norwegandeerhunter
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Re: Fletching problem

Post by norwegandeerhunter »

Hi again! I have tested my new easton bolts with 100gr g5 broadhead, I cant get constant hits. Sometimes right in the spot but sometimes to tree inches outside, works fine at 20 feet but not on 30 feet. I have fletched with the ez fletcher right helical fusion 3 inch and it looks like the fletch is not very smooth, 2 of the vanes look-alike but the third not. Looks like it is not the same offset on one of them?

Is the ez fletcher not accurate enough? I have no problem with field tips and the ez fletcher.

At the start I used grinding paper when I removed the old vanes but the bolts was less constant so I stopped with that.

I have used a arrow squaring tool so that should not be a problem.

Someone please help me!
masboy

Re: Fletching problem

Post by masboy »

iv,e had.. a lot of new arrows that don,t shoot same place.fletching should all be the same.broadheads are tricky .i shoot brass inserts in front with 100gr.heads.when trying diff. arrow combinations .shoot same arrow over and over to see if it groups good.if it does try others one at time to see the ones that shoot good.and same poi.
Horizontal Hunter
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Re: Fletching problem

Post by Horizontal Hunter »

norwegandeerhunter wrote:Hi again! I have tested my new easton bolts with 100gr g5 broadhead, I cant get constant hits. Sometimes right in the spot but sometimes to tree inches outside, works fine at 20 feet but not on 30 feet. I have fletched with the ez fletcher right helical fusion 3 inch and it looks like the fletch is not very smooth, 2 of the vanes look-alike but the third not. Looks like it is not the same offset on one of them?

Is the ez fletcher not accurate enough? I have no problem with field tips and the ez fletcher.

At the start I used grinding paper when I removed the old vanes but the bolts was less constant so I stopped with that.

I have used a arrow squaring tool so that should not be a problem.

Someone please help me!
Sounds like an FOC problem not a fletching problem to me. I use an AZ-EZ-Fletch with a 4 degree right offset for the 2" Bhoning Blazers on my GT Laser II arrows with a brass insert. I use the 125g NAP Spitfire and the 125g Slick Trick. This combination is capable of same hole accuracy at 40 yards with either broadhead from a rest.

I believe that you need more weight at the front of your arrow to increase FOC to shoot those G5 broadheads. The other option is to use a mechanical like the NAP Spitfire as you said that your field points shoot fine.

Bob
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norwegandeerhunter
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Re: Fletching problem

Post by norwegandeerhunter »

I will try 125 gr g5 and see if that will mace a difference. Thanks again!
Cossack
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Re: Fletching problem

Post by Cossack »

Making arrows using EZ ,with 18-20% FOC using GT Laz. II with 110 gr brass insert and Blazer or Fusion, 100 or 125 gr field tips and Sicks, depending on speed of bow. Have experience no meaningful difference in accuracy or speed between offset or helical with either vanes from bows shooting 290, 315 and 345 fps.
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bob1961
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Re: Fletching problem

Post by bob1961 »

bstout wrote:The offset fletchings have a *parachute* effect that the straight fletchings do not have.

Rotating the arrow consumes energy and will slow the arrow down. A rotating arrow will never be as fast as an arrow that is straight fletched, (not rotating) same arrow shot from the same bow.

An arrow that does not rotate (straight fletch) will never be as accurate as an arrow that rotates. Especially when shooting outdoors (wind & rain).
true to a point bob, i have my alum 2117 arrows fletched straight with 125 gr slick trick 1 1/8" mag's and fly great out to 50 yards from my exocet 200....but i also have my arrows weighing in at 550 gr with 21.6% FOC with 285 gr in the nose of the arrow and only 25 gr in the rear between vanes and nock....i can throw my arrow by hand and watch how fast it straightens out like a dart does :wink: ....an arrow fletched straight is not a bad thing, just ask the 4 deer in 4 trigger pulls :lol: .......bob

.....
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bob1961
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Re: Fletching problem

Post by bob1961 »

if anything i might go to 1 degree from straight and see if i can improve flight if i can :wink: .......bob

....
exocet 200. STS dampers.
boo string and trigger work.
munch mount quiver mount.
125 gr slick trick magums.
2" blazers on 2117 XX75 w/ brass inserts.
norwegandeerhunter
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Joined: Sat Jan 16, 2010 10:54 am

Re: Fletching problem

Post by norwegandeerhunter »

Looks like a FOC problem I`m pretty sure, I have checked my bolts over again with squaring tool and found very little FOC imbalance in the 2 bolts that works. It looks like just a little imbalance is to much on longer range like 40 and 50 yards, I have 2 bolts of 10 that works pretty good but not good enough so now I`am ordering mechanical broadhead :)

When I cant hit 3 inch spot at 40 yards it`is not good enough for me.

I have got very much god help here and I appreciate it very much but can someone tell me if I can use the spitfire maxx at a foam target, I have checked with basspro where I order my stuff and they said it`is OK but I would check here to be absolutely sure? Should I use the broadhead the same way like when I hunt with it?
Horizontal Hunter
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Re: Fletching problem

Post by Horizontal Hunter »

norwegandeerhunter wrote:Looks like a FOC problem I`m pretty sure, I have checked my bolts over again with squaring tool and found very little FOC imbalance in the 2 bolts that works. It looks like just a little imbalance is to much on longer range like 40 and 50 yards, I have 2 bolts of 10 that works pretty good but not good enough so now I`am ordering mechanical broadhead :)

When I cant hit 3 inch spot at 40 yards it`is not good enough for me.

I have got very much god help here and I appreciate it very much but can someone tell me if I can use the spitfire maxx at a foam target, I have checked with basspro where I order my stuff and they said it`is OK but I would check here to be absolutely sure? Should I use the broadhead the same way like when I hunt with it?
I shoot the 125g NAP Spitfire into my foam broadhead target using the practice blades without any problems. Pick up a set of practice blades and save the sharp blades for the deer. They fly the same out of my Exocet.

FWIW I recommend that you don't play with the blades by repeatedly opening and closing them. This loosens the clip and might cause a premature opening of the blades. When I rebuild them I snap them closed and I leave them alone until it gets run through another deer. The blades will seem really tight but they have always deployed for me.

Bob
Vegetarian: vejiˈte(ə)rēən/noun: old Indian word for lousy hunter.
Excalibur Exocet, GT Laser II, 2" Bhoning Blazers 125g NAP Spitfire
sumner4991
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Re: Fletching problem

Post by sumner4991 »

I have used dental floss to tie the Spitfires shut when target practicing. However, after a while, you will see no need to practice with them. As long as your target tip weighs the same as your broadhead, they will hit the same spot.

By the way, I'm jealous . . .I tried for almost two years to get the fixed blades to fly exactly like my field points before converting to mechanicals. You did it in a couple of days. :mrgreen:
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norwegandeerhunter
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Re: Fletching problem

Post by norwegandeerhunter »

sumner4991 wrote:I have used dental floss to tie the Spitfires shut when target practicing. However, after a while, you will see no need to practice with them. As long as your target tip weighs the same as your broadhead, they will hit the same spot.

By the way, I'm jealous . . .I tried for almost two years to get the fixed blades to fly exactly like my field points before converting to mechanicals. You did it in a couple of days. :mrgreen:

Not a couple of days but not very long, I would not think of how long it would take without help :) But when it works it`is more fun I would say!

I was thinking of tie down the blades and use paper on my target to see where it hit, that would work if the broadhead and arrow wont go to pieces. And of course if the broadhead enters the target it would not be significant with the paper.
Last edited by norwegandeerhunter on Thu Jan 20, 2011 7:35 pm, edited 1 time in total.
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