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2018: The AeroWeave™ Series

 

A long time awaited, the AeroWeave™ Series is Firenock's unique take on the arrow.  Designed like all Firenock products, every aspect of our aero's design has been optimized -- spine, weight and strength.  To comprehend how we exactly "optimized" today's carbon arrow, it is important to start at the beginning...

 

Carbon arrow-making.  What exactly makes a carbon arrow different from another?  In most cases, one thinks of diameter, ID or OD, etc.  In reality however, the main difference between arrows is unseen, in how the carbon was manipulated during production. 

As aforementioned in the introduction, let's begin at the beginning, with how carbon arrows were originally created.  Also, note that, for this breakdown, to help you fully comprehend the distinctions between each arrow, we are assuming they are all of the same weight.

 
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GEN 1

 

As you can see in the diagram above, the carbon fibers during this arrow production process have been set in a linear row and then rolled.  This method, although indeed simple, does have benefits.  Very light, these arrows will also have a very strong, very defined spine.  There are issues too, however. And before going forward with what those issues are, it is important to clarify what measures are used to test the quality of an arrow. For this analysis, we will be using three measures: loop strength, torque strength, and torsion strength.  Loop strength, simply put, is how much resistance an arrow has to direct compression.  Torque and torsion strength, on the other hand, are a bit connected.  Both have to do with how much resistance an arrow has to being bent.  The difference between them however is that while torque strength is a bend via one axis, torsion strength is a bend at two or more axes (see drawing below).

Going back to the issues with the above arrow production process.  For every one of these just defined measures, this process does falls short.  Due to the linear nature of its fibers, there is strength, but only on one particular direction -- the one in which it was rolled. 

To this generation of arrow production.

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GEn 2

The main issue mentioned with the previous construction was how limited the aspect of the fibers were.  Though this feature was actually what gave it its few pros (solidity/rigidity = strong spine), the cons truly outweighs its pros so arrow manufacturing companies quickly adopted the lay as seen above.  This lay is called a cross-directional or helix wrap.  Though its spine is not as strong or as light as the original, it actually has some loop strength and torque strength.  There are still issues, however.  As its name implies, this construction is based on a cross -- something with only two (maybe three if one part of the lay is uneven) -- directions.  As the chance for a hit from any angle is always possible in the world of archery, two or three angles is still definitely not enough. Hover over the image below to discover more about today's standard arrow construction.

 
  GEN 2.1  This is another example of an arrow that is made today.  A combination of the fiber lay of the original and previous constructions, this wrap's spine and loop strength sit between the two.  Its benefit, however, lies in its weight. Due to the majority of the fibers being laid linearly, the main advantage of this design is its light weight.

GEN 2.1 This is another example of an arrow that is made today.  A combination of the fiber lay of the original and previous constructions, this wrap's spine and loop strength sit between the two.  Its benefit, however, lies in its weight. Due to the majority of the fibers being laid linearly, the main advantage of this design is its light weight.

 

Firenock AeroWeave Series Arrow Shafts

And, finally, to our arrow construction.  First off, as you might of noticed, this diagram is much longer than the others.  This distinction was done purposely.  See, the pre-preginated carbon fibers that we use for our arrows are of a different class.  Standard arrows use 2k or 2.5k carbon.  Our arrows, on the other hand, are made from a specialty type of ultra-thin 3.5k carbon.  To give you an idea of the difference between these two fibers, here's some numbers.  That 2k/2.5k carbon has a thickness of about 0.1mm.  The specially formulated 3.5k carbon that was designed by us has a thickness of 0.02mm -- a fifth of standard.  Further, this is at no sacrifice to strength.  But, past all that, why use this thinner fiber?  Because it gives us more lay for more manipulation.

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The Weave

While a large section of our construction taking from the original in that it has a linear lay for spine strength, its most unique (patent pending) feature is in its complex lays: its weave.  As mentioned previously, due to the harsh environment of archery, strength at every axis is crucial.  If you look closely at the wrap lay to the left, three of the four sections involve small squares or diamonds on the third section from the bottom.  These "diamonds" are the same weave as the "squares," but tilted 45 degrees.  But why does that matter?  Well, with both "squares" and "diamonds", multiple axes can be covered at once. Further, if you turn that weave and lay it on top of itself (as will happen during the rolling of the carbon fibers) even more, infinitely more axes will be protected. And with our 3.5k carbon, our carbon weave will be 0.05mm thick, still half a standard carbon fiber.

But, of course, as many Firenock products go, we went a bit further.  Note the right image below.  This is an example of what most other weaves on the market look like.  Do you see the difference between the two?  The standard weave has a ratio of 2:1 (or sometimes even 3:1) and our weave has a ratio of 1:1.  This method allows for absolutely no gaps and balanced strength from all sides and axes.  Again, a step further, but a step we at Firenock believe necessary, important, and worth it. No?

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Weave1.jpg

Note : Firenock AeroWeasve246 shafts do not come with any arrow components.  AeroWeave246, however, still accepts any standard 0.246" ID components like AIA24A/S, AIH24A/S with CTI240, or a Firenock "S" style nock.