Front Loading Tonkin Shafts

[PeteDavis]

Hi Again-

I have found that my Tonkins fly best with 130-140 grains of weight at the end of a long shaft. I am shooting a 1971 Bear Super Kodiak that shoots 47# at my actual draw.

I knapped a pile of points. I am finding to achieve these desired weights I seem to be getting pretty large points-and I am somewhat concerned that they may be a tad large for the weight behind them.

I had pre-drilled the centers of Tonkins to accept screw-in field points for flight tests. The holes are 3mm. I had the idea to use my 7/8ths wide stone points which are an efficient size at 106 grains. I cut up a few sections of 60/40 solder and found that I can drop a 3/4" section of the solder into the holes and add additional front weight to bring the points up to an actual 133 grains of front-end weight.

Does anyone see anything unethical with my solution? I'll field test and report back.

PD

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[Pat B]

Your solution sounds fine. You could also use lead bird shot to fill the center and add weight. Pat

[PeteDavis]

Thanks Pat. I tinkered some more and discovered that a 1 1/2" copper flash nail yields a perfect 35 grain plug when the head and tip are removed. I think I'll use the copper since it will require a slightly longer but lesser diameter hole. I suspect most of the strength in the cane shafting is near the outside anyway. Again, I will report back.

PD

[Pat B]

Don't use all your pressure flaker nails!

[PeteDavis]

All loaded, 140 grains up front. PD

[ZanderPommo]

lookin' great! now go stick some venison

Zander

[TRACY]

Looks good to me. Nice cane/flint arrows.

Tracy

[nonamesleft47]

How long are your shafts cut?  Great looking arrows.

[mullet]

  Pete, I'm shooting 70# splined arrows out of my 60 pound bow. They are Tonkin,33" long with 170grn, stone points.They shoot straight as an arrow.