HuntingNet.com Forums - How fast................

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RE: How fast................

IBO does that make a difference and it is a martin phantom magnum

RE: How fast................

yes it does make a difference.It means your bow is not actually shooting that fast.sorry[&:]

RE: How fast................

oh how do you tell how fas tit shoots then from the IBO speed

RE: How fast................

Best way is to shoot it through a chronograph.

RE: How fast................

Quote:

h how do you tell how fas tit shoots then from the IBO speed

You've got to take several things into consideration. How much does your actual draw length vary, plus or minus, from 30"? Longer is faster, shorter is slower. How much does your arrow weight vary from 350 grains? Lighter is faster, heavier is slower. How much does your draw weight vary from 70 pounds? What string accessories - silencers, peep, kisser button, nock sets, string loop - do you have mounted on your string? Each thing you put on the string slows your arrow speed.Do you shoot release or fingers? Fingers release generally gives slower arrow speed.

I used to know how much to add or subtract for all that stuff to get an approximate speed, but I must be coming down with old timer's disease.Can't remember any of it now.[&:]

Even after all that, then you have to wonder if they were completely truthfull when they listed the IBO speed. Some manufacturers aren't.

The only real way to know how fast your bow is shooting is to put an arrow across a chronograph.

RE: How fast................

thanks i have to carry it to the shop anyway to get somthin fixed and i might get it cronoed while i am there

RE: How fast................

I realize I left the yard and came into arthurs house, LOL, but my horton supermax shoots at 327.

RE: How fast................

I shot my Trykon through the chronograph before I brought it home and it was shooting 303 fps. I don't know what it is shooting right now after I have set it up the way I like it!

RE: How fast................

My Bowtech Defender set at 61# with a 340 gr. arrow shoots a very consistant 276 fps. and it's scary quiet to boot.