Main Discussion Area > Arrows
New batch of Khan's tonkin shafts
razorsharptokill:
I just got a new batch of 55-60 Tonkin shafts from Todd at Khan's. Over all these shafts look awesome. Very straight and the walls look to be thick. I wanted a heavier spine so I could add some weight up front to increase FOC and over all weight. Looking forward to getting these built and seeing them fly.
Russ:
does adding weight increase the spine or does adding weight just mean you need a stiffer spine?
razorsharptokill:
More tip weight decreases dynamic spine but increases FOC. I plan on using finish nails or very thin dowel to the tip. Added weight and strength.
Todd Mathis:
--- Quote from: razorsharptokill on November 26, 2019, 01:57:08 pm ---More tip weight decreases dynamic spine but increases FOC. I plan on using finish nails or very thin dowel to the tip. Added weight and strength.
--- End quote ---
Good answer Jim. This is correct. I know they took forever to get here, but now I have plenty in stock. This supplier is quite good, isn't she? Can't wait for photos!!!
Todd Mathis:
--- Quote from: Deerhunter21 on November 26, 2019, 09:01:01 am ---does adding weight increase the spine or does adding weight just mean you need a stiffer spine?
--- End quote ---
If you have two arrows which are identical in all other respects, except that one is heavier than the other. The heavier arrow will fly stiffer. But this is very difficult to quantify because of so many other variable. I have never seen any difference in arrow groups unless the weight difference is greater than 5%...but that is just an observation. I have not tested this hypothesis. There are so many variables that it is hard to design a trial of this. I sell my arrows to be within 20 grains from highest to lowest weight across the 12 arrows for this (and other) reasons. Hope this helps. I have never heard complaints doing it this way, but that doesn't make it gospel. Todd.
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