Good read. I played with this last year when i decided to go with a 50lb bow. When i got my arrows as heavy as i thought they should be, they were so slow that figured i was shooting myself in the foot. I was told that 300grs going 300fps would work fine. It did work "fine" on 2 of the 3 bucks i shot but did not work worth a crap on the 6 1/2 yo P&Y. My arrow penetrated 3" at 16yds! Im building heavier arrows for this fall.
Good read on speed vs kinetic energy
Since we been on the topic...
http://www.qdma.com/articles/momentum-beats-speed-for-lethal-arrow-hits
http://www.qdma.com/articles/momentum-beats-speed-for-lethal-arrow-hits
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Its like an old guy told me one time we hunted with when I was a kid. He was shooting heavy aluminum arrows with the 160 grain land sharks and I was shooting some small head at the time and he said which one of these arrows would you rather me drop on your head out of a tree, yours or mine? ha
Yea. I've always shot a really heavy arrow and in the back of mind kinda have been worried about the loss of speed. Luckily in my case I shoot a 31" draw so that kinda helps offset the speed loss. But I honestly can't think of but 1 deer I shot that I didn't get a complete pass thru.. So I guess it's a good trade off. I'm shooting a 506 grain arrow, which still may be a little over kill but I've had good luck with them
Yea I bet that does get good penetration and I wouldn't worry about speed. I shoot a 520 grain arrow out of a recurve and have gotten several pass throughs so with a 31" draw and a compound you should be gravy. I sure love watching a 500 grain arrow hit a deer too. I have knocked several completely down upon impact ha
Yea. You can tell. It def "thumps" themYea I bet that does get good penetration and I wouldn't worry about speed. I shoot a 520 grain arrow out of a recurve and have gotten several pass throughs so with a 31" draw and a compound you should be gravy. I sure love watching a 500 grain arrow hit a deer too. I have knocked several completely down upon impact ha
500 is gonna thump for sure. Im hoping to get around 400 grains, but may go a little heavier. Gonna have to go up to 60lb limbs though!
I don't think you will struggle with 60lb limbs. You have a pretty new bow, the new technology makes them a lot easier to pull more weight IMO But you would be surprised at what that omen will shoot even at low poundage.500 is gonna thump for sure. Im hoping to get around 400 grains, but may go a little heavier. Gonna have to go up to 60lb limbs though!
The one thing this article fails to touch on though is that speed gives you flatter shooting - therefore less chance at bad shot placement if you mis-estimate yardage. All the momentum in the world won't matter if you misjudge enough to under or over shoot. The slower the arrow, the worse the effect of a misjudged distance.
Personally, I'd rather shoot super fast (and flat) and let the broadhead do the work of penetration.
Personally, I'd rather shoot super fast (and flat) and let the broadhead do the work of penetration.
Yea I agree to an extent. There's gotta be a happy medium between the two. But a super light fast arrow isn't gonna give your broad head a chance to work. But I do get what you're sayingThe one thing this article fails to touch on though is that speed gives you flatter shooting - therefore less chance at bad shot placement if you mis-estimate yardage. All the momentum in the world won't matter if you misjudge enough to under or over shoot. The slower the arrow, the worse the effect of a misjudged distance.
Personally, I'd rather shoot super fast (and flat) and let the broadhead do the work of penetration.
I am impressed with what this omen will do. It shoots better than any other bow ive had and thats why i like 50lbs. Even at 50 though that "hump" is pretty tough. Im gonna go to 60lbs this year but i bet trying to pull over the "hump" will be just like trying to pull 70+ all over again. It sure is nice being able to draw your bow with very little effort.I don't think you will struggle with 60lb limbs. You have a pretty new bow, the new technology makes them a lot easier to pull more weight IMO But you would be surprised at what that omen will shoot even at low poundage.
Thats the same idea i had but it just didnt work out like that for me. I built a super fast bow with super fast arrows and i can shoot out to 35yds with one pin. The problem is: my super fast arrows will not fly right past 35yds and they will not penetrate tough muscle and bone at any range. I thought i had something when i had a 50lb bow shooting 300+ fps. All i really had was a nightmare in the making!The one thing this article fails to touch on though is that speed gives you flatter shooting - therefore less chance at bad shot placement if you mis-estimate yardage. All the momentum in the world won't matter if you misjudge enough to under or over shoot. The slower the arrow, the worse the effect of a misjudged distance.
Personally, I'd rather shoot super fast (and flat) and let the broadhead do the work of penetration.
Country, yea I can see how a 50lb bow getting 300fps would be using arrows so light as to have no KE. When I used a vertical bow, I was shooting about 62lbs and wanted a faster bow but couldn't afford one. I never got a chance to chrono it but I know it wasn't nearly as flat shooting as my buddy's Dream Season.
As you can see, this fast-arrow thing is luring us into a false sense of security. Because we can hit a target farther out, we do it, even though the light arrow that allowed the easier shot may not have the momentum to kill quickly and humanely. Hitting an animal at 40 or 50 yards is no consolation if it runs away with only one punctured lung. Where we really get into trouble is with the bows of lighter poundage, say below 60 pounds.The one thing this article fails to touch on though is that speed gives you flatter shooting - therefore less chance at bad shot placement if you mis-estimate yardage. All the momentum in the world won't matter if you misjudge enough to under or over shoot. The slower the arrow, the worse the effect of a misjudged distance.
Personally, I'd rather shoot super fast (and flat) and let the broadhead do the work of penetration.
That is a quote straight from the article. Like Jacob said if there isn't enough momentum or KE there is nothing for the broadhead to work with.
Reading this article make me feel real good about my set up. I am shooting 70lb draw with 400 axis and i think it says my arrow weighs 8.9 grains. I will look tonight. I know my arrow is shorter so it doesn't weigh a bunch more, and the shot he talked about with entering the back rib and coming to the front shoulder, that is how i killed my buck last season. The only thing is the arrow didnt exit, my BH broke off in him. But i watched him crash, and It was 30 yard shot.
Now i am trying to figure my arrow weight total. Anyone have a easy way if getting the arrow total weight.
Now i am trying to figure my arrow weight total. Anyone have a easy way if getting the arrow total weight.
Truth!There's gotta be a happy medium between the two. But a super light fast arrow isn't gonna give your broad head a chance to work.
How many gpi? Length of arrow, what weight broad head, what kinda fletchins? I can get ya pretty close.Reading this article make me feel real good about my set up. I am shooting 70lb draw with 400 axis and i think it says my arrow weighs 8.9 grains. I will look tonight. I know my arrow is shorter so it doesn't weigh a bunch more, and the shot he talked about with entering the back rib and coming to the front shoulder, that is how i killed my buck last season. The only thing is the arrow didnt exit, my BH broke off in him. But i watched him crash, and It was 30 yard shot.
Now i am trying to figure my arrow weight total. Anyone have a easy way if getting the arrow total weight.
9.0 gpi 27 inch arrow, 100 grain BH , and quick fletch by nap with quick spins.How many gpi? Length of arrow, what weight broad head, what kinda fletchins? I can get ya pretty close.
You're gonna be around 385 grains total. Plus or minus a few9.0 gpi 27 inch arrow, 100 grain BH , and quick fletch by nap with quick spins.
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