Rob I agree with you sentiments about shooting a heaver arrow for a hunting set up. I also agree some people get to hyped up about speed.

I shoot 3D (as well as spots because I use my 3D bow for indoors)at 5GPP but hunt around 390-410 grains.


This is basically all I am getting at. If one can shot at a higher velocity withoutsacrificing accuracy to me it's a win situation. This is merely all I was getting at.

No matter if we are shooting 220 or 320 fps our focus is the same, to cleanly and humanly put our quarry down as soon as possible. That's what it really boils down to.
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This is totally true when your talking the speed out of your Bear (assuming low 200's) compared to your UltraTech at 288....what I'm refering to is todays bows and wanting 300 when your already shooting 288 and degrading your setup by going to possibly a underspined arrow to lighten it up, cranking down your bow to unnecessary poundages, lighter heads lowering FOC etc....

There is a significant difference between 225 fps and 285 fps as there is with 250 fps and 325 fps....but tweaking 20-30 fps while taking unnecessary extremes on setup when one is doing nothing more than making their setup less efficient in most cases.

Again, dead on accuracy and high speeds are a wonderful thing especially when we're talking KE....but in hunting situations people make unnecessary changes degrading their effeciency.

Yes, this would be bad, very bad. When I was working the other night, I asked the shop owner what we could do to speed my arrow up without changing arrow weight, DL, or poundage. He looked over the bow and said he could do a few things and probably get me up in the mid to upper 290's, maybe 300. He's an awesome tech, and hey, all I do is build arrows so I just trust what the man says. Anyway, back to the point.

In your opinion, buckeye, jump in this too if you'de like, what do I stand to gain? Let me re-phrase. We may be only talking about 10 fps here, so what trajectory do I stand to improve on, and in your opinions, could it make my shooting better, especially 3D and hunting situations? Or, would the "drop" not be significant enough to matter, thus making these changes irrelevant? Does that make sense, or have I confused the entire lot of us? [&:]

Mo

It is my understanding that you shoot one pin.

Let's say for comparison sake that pin is sighted in at 25 yards.

I am guessing you current set up at 285 FPS???

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At 285 FPS......

At 10 yards you are 0.91 inches high
15 yards you are 1.72 inches high
20 yards you are 1.42 inches high
25 yards you are zeroed in
30 yards you are 2.56 inches low
35 yards you are 6.28 inches low
40 yards you are 11.16 inches low
45 yards you are 17.23 inches low

At 300 FPS.....

At 10 yards you are0.58 inches high
15 yards you are1.40 inches high
20 yards you are1.21 inches high
25 yards you are zeroed in
30 yards you are2.23 inches low
35 yards you are5.51 inches low
40 yards you are9.84 inches low
45 yards you are 15.24 inches low

I hope this is what you were asking for.... If not let me know.

*EDIT* I just reread you post and saw where you asked for 10 FPS. I ran a 15 FPS difference wwhen i did the calculations. Sorry about that.

To answer your questions...



If it does not affect your accuracy negatively or jeopardize your bow in any way it could only stand to help you out not only with a flatter trajectory but with an increase in KE and momentum as well.
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Yes, actually that is part of what I wanted to know, most of it, actually. So it seems to me I stand to gain roughly 1/4". Not really significant, but I am one of those speed freaks, so we're gonna do it. Besides, I stand to gain some KE and momentum for sure, since we aren't fooling w/ arrow weight at all.

Thank you!

You guys make my head hurt.