JoshKeller

Paper tuning is great if your shooting at foam. It gets you really close, but is a starting point for broadheads IMO.

30ace

foc target or 3d 7% for me.foc for bad to the bone muzzy 12%.

Sniper151

FMARC, first and most important is to bare shaft tune your bow with the arrows you will be using to hunt tipped with target points matching the weight of your broadhead. If your arrows are matched to your draw weight and draw length your broadheads will fly and impact itentical to your field tips. Oh, another important tip, make very sure that your arrow are straight. A good practice is to set aside new arrows just for hunting and keep them just for the hunt. Use other for practice and 3-D shoots.

Straightarrow

Wells, what you you rather do? Shoot perfect holes in paper or hit what you're aiming at?

GMARC

Ok guys just shot all 6 of my bh's 2 out of the 6 shot well.. the other 4 all shot 1-2in low. so what would u do??

1. adjust nock down?

2. get 4 good and 2 ?? then spin test the arrows

3. move sight down??

let me hear it !!!!

30ace

Check f.o.c first.Then check how broadhead lines up with fletching.

GMARC

MY F.O.C is 8.3 i thought lining up your fletchings had zero impact on flight??? cr@# now im going to have to find that link huh...

bigbulls

Forget about the lining up with fletchings thing. It's a bunch of bunk.

I suspect that the four that fly not so good do not spin perfect. I bet there is just a bit of wobble to them or the blades may be slightly bent if you have shot them a number of times..

If they all spin perfect and the blades are straight then the next step would be to move your nocking point down in very very small incraments. I'm not a believer in the thought of not having your broadheads and field points impacting the same spot and simply moving your sight.

8.3% is pretty low IMO for a hunting shaft. You may want to fletch with feathers to get the rear of the arrow lighter to increase the FOC or seriously consider a heavier broadhead as long as it won't make the spine of the arrow to weak.

You might want to post your bow, draw length, draw weight, arrow length, which arrow you are shooting, the arrows spine #, and broadhead weight.

GMARC

Bigbulls,

the flight of the arrows is great!!! just hit alittle low. some could be just spinning them,but for the most part they are pretty smooth.. i did the FOC CALULATOR SO THATS WHAT IT GAVE ME,, 70# 28in vapor 4000 @ 29 1/4 100grn buzzcuts

ijimmy

Sounds like you may need to lower your nock point or raise your rest slightly , 1/32-1/16 of an inch .