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Accmos arrows? Where and what not to buy.

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Discussion starter · #23 ·
tboni said:
Looks like riser contact? That’s a very clean break for the carbon to just be like that? Not an expert though.
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neither am I , but i didn't hear anything weird like a cracking noise or something. Three of the four times that happened with those 700 spine accmos, i just went to the target and get the arrow with my hand from the vanes and two times it just break on the area of the pics, 1 time it literally split liker someone cut it with a laser, and other it juts broke or I noticed when I put it on the bow string. About the riser contact, if that were the case, why it has only happened with these arrows and not with the pandarus, same spine (700), I think this is quality related.
 
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#24 ·
gusDuenas said:
neither am I , but i didn't hear anything weird like a cracking noise or something. Three of the four times that happened with those 700 spine accmos, i just went to the target and get the arrow with my hand from the vanes and two times it just break on the area of the pics, 1 time it literally split liker someone cut it with a laser, and other it juts broke or I noticed when I put it on the bow string. About the riser contact, if that were the case, why it has only happened with these arrows and not with the pandarus, same spine (700), I think this is quality related.
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700 on an accmoss could be different with 700 on pandarus. Kinda like how easton 700 spine would be different from vaps or ximpact 700s. spine charts will only get you close. Still depends on the dynamic spine on how the arrow reacts.
 
#27 ·
AzureSkydiver said:
It's the <insert politically correct noun here>, not the arrow. :)

But I always counter that the <insert politically correct noun here> knows how to pick good arrows. :)
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Ha! That's right. I love our sport because it's always humbling.

I'll shoot a personal best......then have a terrible round and be outshot by everyone on the range

......take THAT ego
 
#28 ·
I think they're a pretty decent beginner set especially if you can get them prefletched but I personally always splurge on a decent set of reputable arrows. Sorry that happened tho! Breaking arrows always sucks whether it's a product malfunction, bad hit, or even robin hoods:'(
 
Discussion starter · #29 ·
Well, now it just happened again. This Saturday while I was at the club, and here is the video and pics....5 arrows with the same peoblem in a row is not much of a coincidence. My two cents that the one who sold me those arrows was actually using the arrows rejected by accmos. I think ....I mean is it too much for a simple coincidence right?
Image

Image
 
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#30 ·
I have to say that the way those arrows broke is troubling. I can't think of why a carbon arrow would break so cleanly at a right angle to the shaft without it being a manufacturing problem, or something that happened to the arrow after manufacturing.

I've been shooting accmos arrows for a few years, and noticed 2 things immediately. First, that they are very light for their spine, and second that they are crazy durable.

When I tested the spine I found that my "700's" came in between 728-732. My "900's" came in between 912-915. So, with the arrows I tested the spines came in a little higher than spec'd.

Of course things can change in time and I don't have any recent examples to test. Still, Easton Vector (1400) would blow up when an accidental shot out of a 20lb bow hit the wood target frame, and the accmos (1300) (lighter weight than Vector) took that hit many times over with no issues.

Needless to say this news is very disappointing.
 
Discussion starter · #31 ·
Yep it is troublesome indeed. The arrows are supposed to be durable at least it is the impression. I bought them because they were cheap by the dozen of shafts. And I thought they will be a good practice arrows so I don't have to break or lose my Pandarus ice point 700 spine. But clearly this batch is bad. They always break in the same location, the cut is clean, I've just shoot them for three months and clearly something is wrong in the shafts....
 
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#32 ·
gusDuenas said:
Well, now it just happened again. This Saturday while I was at the club, and here is the video and pics....5 arrows with the same peoblem in a row is not much of a coincidence. My two cents that the one who sold me those arrows was actually using the arrows rejected by accmos. I think ....I mean is it too much for a simple coincidence right? View attachment 8225684
View attachment 8225683
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I think those arrows are hitting your riser or something. For them all to break in the same spot, and in THAT spot, leads me to believe it is something specific causing this. If they were just weak "junk" carbon, to the point of being so brittle they broke on impact, I don't think it would be in the same place every time
 
Discussion starter · #33 ·
Well, now it just happened again. This Saturday while I was at the club, and here is the video and pics....5 arrows with the same peoblem in a row is not much of a coincidence. My two cents that the one who sold me those arrows was actually using the arrows rejected by accmos. I think ....I mean is it too much for a simple coincidence right? View attachment 8225684
View attachment 8225683
 
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Discussion starter · #34 ·
SlimPickins07 said:
I think those arrows are hitting your riser or something. For them all to break in the same spot, and in THAT spot, leads me to believe it is something specific causing this. If they were just weak "junk" carbon, to the point of being so brittle they broke on impact, I don't think it would be in the same place every time
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How they might be hitting the riser...shouldn't they made any sound? A cracking one?....don't know. Probably the material after some hundred of shots gets debilitated on that part and from impact when the shock travels through the shaft and hits that part, that would be the weakest point, and that is when the shaft breaks? I think....don't get my word as the letter of the law I am just reporting the facts .
 
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#35 ·
gusDuenas said:
Well, now it just happened again. This Saturday while I was at the club, and here is the video and pics....5 arrows with the same peoblem in a row is not much of a coincidence. My two cents that the one who sold me those arrows was actually using the arrows rejected by accmos. I think ....I mean is it too much for a simple coincidence right? View attachment 8225684
View attachment 8225683
Click to expand...
Sorry, but why on earth are you still shooting them? You've had 5 out of 12 break in the same way within a short time period, is that correct? It's not much of a leap to expect that the other 7 will follow the same path.

As for why they are breaking - that location is a common contact point for super weak arrows against the riser. They don't necessarily make lots of noise when they hit, and the sound could be masked by the rest of the bow. If they weren't a bunch of $1.40 ticking time bombs I'd suggest adding powder on the riser and shaft to top check for streaks, and then lower the draw weight as much as possible to check if the streaks disappear. But it sounds like those arrows are all already compromised and should be turned into novelty pens.

Do you have any pictures straight down the broken part of the shaft? It doesn't look like there are many carbon shards going lengthwise, and the bore doesn't look centered but it could just be the camera angle.
 
#36 ·
Using ACCMOS arrows for 3~ years, mainly for 3D, bash them as typically happen in 3D. No issue as mentioned.

The fracture pictured is at the back of the arrow, could be damage from another arrow hitting and a building fracture.
 
Discussion starter · #37 ·
Image

Image

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cerelestecerele said:
Sorry, but why on earth are you still shooting them? You've had 5 out of 12 break in the same way within a short time period, is that correct? It's not much of a leap to expect that the other 7 will follow the same path.

As for why they are breaking - that location is a common contact point for super weak arrows against the riser. They don't necessarily make lots of noise when they hit, and the sound could be masked by the rest of the bow. If they weren't a bunch of $1.40 ticking time bombs I'd suggest adding powder on the riser and shaft to top check for streaks, and then lower the draw weight as much as possible to check if the streaks disappear. But it sounds like those arrows are all already compromised and should be turned into novelty pens.

Do you have any pictures straight down the broken part of the shaft? It doesn't look like there are many carbon shards going lengthwise, and the bore doesn't look centered but it could just be the camera angle.
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These are all the pics I have.
Image

Image
 
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Discussion starter · #38 ·
Question how can I correct them hitting the riser? I would start using my pandarus and I really don't want to mess them....how can I correct it , in the case the arrow is hitting the riser?....what should I do? Is a rest thing or in the plunger?....
 
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#39 ·
gusDuenas said:
View attachment 8220065
Hi guys I know I did say accmos arrows were good, but I was wrong, so since May I ve been shooting my 4.2 mm id 700 spine arrows and they are very bad quality. I have lost or better break apart these arrows but not because they got into wood or metal, but because the hit the target. 4 of my arrows break spontaneously after I removed from the Target, and I am not the hulk. That speaks volumes about bad materials, bad tolerances and bad wrapping. The arrows were $20 the dozen of shafts, I know is too good to be true. If you are in AliExpress avoid this store they will try to clean their hands and give you no support at all.
I am attaching pics and a video if I can. Here is the link for that store, so avoid it as it has the plague.
Apparently they have a higher price now....anyhow they are still bad for the price. View attachment 8220064 View attachment 8220063 View attachment 8220065 View attachment 8220065 View attachment 8220063 View attachment 8220064 View attachment 8220065

$38.41 | 12pcs ID4.2mm 100% Pure Carbon Arrow shaft Gold Logo Spine250-1000 Arrow Tube Archery DIY
View attachment 8220063
View attachment 8220064
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Glad this is the first time I've ever even heard of accmos shafts. For my $, I'll stick to tried and true, trusted brands. Thanks for the photo reviews of caution! This should help out some AT "bargain hunters".
 
#40 ·
BigXX78 said:
Glad this is the first time I've ever even heard of accmos shafts. For my $, I'll stick to tried and true, trusted brands. Thanks for the photo reviews of caution! This should help out some AT "bargain hunters".
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If anything requires caution it is archery itself.

In all of the time that Accmos arrows have been used by many archers in this forum I have only read about one instance of them breaking in a surprising, and unexpected way. My own experience echo's what is said on many other threads about the overall durability, and consistency of these shafts. Also, my experience with Accmos customer service has been outstanding. I wonder what they would say if given the opportunity to address this issue.

I'm not discounting the validity of the issue that the OP is having; however, I am not going to immediately stop shooting my Accmos shafts because of one worrying situation that we don't really understand yet.

As for "trusted brands," at this point I have come to trust my 5 dozen Accmos shafts. Trust is earned, not a given based on corporate size, or market saturation. Still, I'm concerned about this, and my hope is that the OP can figure out if it is the shafts, or the tune that's at issue. If it's the shafts it unfortunate to see that the quality may have dropped, or even that a batch has been released that shouldn't have (even once).
 
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