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RE: question for all you carbon gurus...

KLS, I think for the most part if the the shafts are well over spined(I might be wrong). A 400 spine arrow shaft is pretty crazy stiff when hacked down to 20". Use a reasonable weight of tip, cut down an arrow that has the correct diameter and weight and shoot it. You can't go wrong if you go heavier. If the arrow goes tail left or right then worry about the spine.

RE: question for all you carbon gurus...

Quote:

ORIGINAL: sabinajiles

Quote:

ORIGINAL: KLS

I've noticed that the higher the number the less spine the arrow has, 500 being weaker than 300, and the weight per inch also increases from higher number to smaller, but thats about it for "in general" information...

This is true for Beman and Easton(same company) but not for other manufacturers where spine increases with a higher number. It certainly isn't a hard, fast rule across all manufacturers.

Quote:

ORIGINAL: KLS
so say in the case of bemans ICS carbon arrows, are they all 22/64"? from what I've kind of gathered through various reading the beman thunderbolts are basically bemans ICS shafts, so would the 400 beman ICS camo hunter shafts cut down to 20" be the same as the thunderbolts? or 350's? or 300's?

I do not know what the diameter of the Beman ICS shafts actually are but they are less than 22/64's OD. Why don't you just getthe Easton Powerbolt shafts? They are already cut down to 20", will be the correct spine and are 22/64's OD. You can find them pretty easily for around $36-&40 a dozen which is much cheaper than buying full length arrow shafts and cutting them down.

getting powerbolts and/or any other crossbow specific arrow seems to be the common answer I get, however that isntthe point of my questions...

I, like alot of other people,know all about all the various crossbow specific arrows including eastons new camo powerbolts, my point is that I'd like the knowledge,or more so just the general information to be able to compare size and spine between crossbow arrows and all the other various carbon arrows on the market that use a completely different size/spine designation so if/when I'd like to try one I'd know wether it would be compatibledia. and spine-wise to the common crossbow specific arrows... but its that general information for cross-referencing thats not there, or at the least isextremely limited(without physically measuring each oneyourself, which is pretty impractical), and its that information that I'm looking for...

I gather that it must be just as confusing to everyone else too becauseI'm havinga pretty hard time getting anysolid answers

RE: question for all you carbon gurus...

Quote:

ORIGINAL: KLS

I, like alot of other people,know all about all the various crossbow specific arrows including eastons new camo powerbolts, my point is that I'd like the knowledge,or more so just the general information to be able to compare size and spine between crossbow arrows and all the other various carbon arrows on the market that use a completely different size/spine designation so if/when I'd like to try one I'd know wether it would be compatibledia. and spine-wise to the common crossbow specific arrows... but its that general information for cross-referencing thats not there, or at the least isextremely limited(without physically measuring each oneyourself, which is pretty impractical), and its that information that I'm looking for...

I gather that it must be just as confusing to everyone else too becauseI'm havinga pretty hard time getting anysolid answers

All of thecarbon hunting shafts that I have every used forarrows for my compound have an OD that is quite less than 22/64's and therefore, even if they arespined heavy enough, would be unsuitable for crossbow arrows. Manufacturers have gone to the smaller diameter carbon shafts for several reasons, including less crosswind interference and the ability to get accurate , stable flight with smaller fletching. There are some large diameter carbon target shafts that take advantage of being able to score higher because of the larger point cutting a ring that a smaller one would not. These shafts, that I have seen, appear to larger than 22/64's with the exception of the Gold Tip 22 series which are 22/64's OD. However, they are quite expensive, especially when you might be discarding almost 40% of the raw shaft.

I don't know for sure but I would imagine that the crossbow specific carbon shafts are manufactured seperately, to different specificationsand not just cut down arrow shafts. This would make it very difficult, if not impossible, to come up withthe cross reference chart that you desire.