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TAC 15/15i Basic Unpublished Information
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<blockquote data-quote="Dorge" data-source="post: 496235" data-attributes="member: 32916"><p>Hello all, I was told my name was mention a few times, so I come and take a look.</p><p></p><p>A few thing I want to point out.</p><p>1) Not all PSE TAc shaft are the same, some are tighter tolerance than others. So not all of them would need a Bull dog collar, but one can never be too safe</p><p>2) The more precise on can fletch vane/wings on the shaft, the better it is. The bitz even wit a zenith conversion is not good enough for long range hunting, especially with the tac at 400+fps, one nee to think +/- 1/4 of a degree, not 4-5 degree of variance</p><p>3) THe grizzly stick is a very durable shaft but the weight variance from shaft to shaft can be over 15 grains and the outside diameter is tapered which make the use of a biscuit rest lost its most appealing reason (an absolute same contact point when firing to minimize most nock travel issues)</p><p>4) ASAIK, the ID of the tac shaft should be 0.298" but most are close to 0.300" as they design it base on the 2119 OD" but the carbon need to be thicker at the back.</p><p>5) The shaft is indeed a multiple tubing shaft design. So the front and the back ID is not the same. The nock is indeed a 2 piece design so changing it is not going to be easy.</p><p>6) The longer shaft of a tac is critical, is there any other shaft out there that can do the job? No easily, I would say. I am in the process of making up some Aerobolt II at 26.25" and will let you know how the testing result goes. It is 250 spine at the back and about 50 spine in the front. Yes, all Aerobolt are multi-spine design. To learn more about Aerobolt, talk with Super 91, he had a few before.</p><p>7) The MOST important part of long range accurate shooting for any crossbow bolt is how concentric every component are. I am currently working on some 303 stainless ones for my Aerobolt 2 which is 0.0002" on center with concentric dual O-ring coupling points so the point and the insert can BOTH be within 0.0004" on center.</p><p>8) I am working with broad head manufacturers to see if the design can be added to their broadheads.</p><p></p><p>I have to agree that the approach I use is very extreme, but for those who want to shoot at high speed, and LONG distance even with wind, the approach MUST be precise and meticulous or the impact point will not be what you wanted at long distance and at high speed. That is the long and short of it.</p><p></p><p>I hope what I wrote help you to understand what is going on at Firenock LLC. The bottom line is that we make products that are very high end and only appeal to those who had the need and want to do the extreme but are willing to learn and pay for what can be done with today's bleeding edge technology. But isn't that what LONG range hunting is all about?</p><p></p><p>Dorge Huang,</p><p>Firenock LLC, Operating Manager</p><p>(815) 780-1695</p><p><a href="mailto:dorgeh@firenock.com">dorgeh@firenock.com</a></p></blockquote><p></p>
[QUOTE="Dorge, post: 496235, member: 32916"] Hello all, I was told my name was mention a few times, so I come and take a look. A few thing I want to point out. 1) Not all PSE TAc shaft are the same, some are tighter tolerance than others. So not all of them would need a Bull dog collar, but one can never be too safe 2) The more precise on can fletch vane/wings on the shaft, the better it is. The bitz even wit a zenith conversion is not good enough for long range hunting, especially with the tac at 400+fps, one nee to think +/- 1/4 of a degree, not 4-5 degree of variance 3) THe grizzly stick is a very durable shaft but the weight variance from shaft to shaft can be over 15 grains and the outside diameter is tapered which make the use of a biscuit rest lost its most appealing reason (an absolute same contact point when firing to minimize most nock travel issues) 4) ASAIK, the ID of the tac shaft should be 0.298" but most are close to 0.300" as they design it base on the 2119 OD" but the carbon need to be thicker at the back. 5) The shaft is indeed a multiple tubing shaft design. So the front and the back ID is not the same. The nock is indeed a 2 piece design so changing it is not going to be easy. 6) The longer shaft of a tac is critical, is there any other shaft out there that can do the job? No easily, I would say. I am in the process of making up some Aerobolt II at 26.25" and will let you know how the testing result goes. It is 250 spine at the back and about 50 spine in the front. Yes, all Aerobolt are multi-spine design. To learn more about Aerobolt, talk with Super 91, he had a few before. 7) The MOST important part of long range accurate shooting for any crossbow bolt is how concentric every component are. I am currently working on some 303 stainless ones for my Aerobolt 2 which is 0.0002" on center with concentric dual O-ring coupling points so the point and the insert can BOTH be within 0.0004" on center. 8) I am working with broad head manufacturers to see if the design can be added to their broadheads. I have to agree that the approach I use is very extreme, but for those who want to shoot at high speed, and LONG distance even with wind, the approach MUST be precise and meticulous or the impact point will not be what you wanted at long distance and at high speed. That is the long and short of it. I hope what I wrote help you to understand what is going on at Firenock LLC. The bottom line is that we make products that are very high end and only appeal to those who had the need and want to do the extreme but are willing to learn and pay for what can be done with today's bleeding edge technology. But isn't that what LONG range hunting is all about? Dorge Huang, Firenock LLC, Operating Manager (815) 780-1695 [email]dorgeh@firenock.com[/email] [/QUOTE]
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TAC 15/15i Basic Unpublished Information
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