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  1. #1
    Dr. Dealgood is offline Junior Member Newb
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    Fastest Bow/Crossbow

    Are there any production models that can top 500 fps? If so where can I buy one

  2. #2
    _DANNY_'s Avatar
    _DANNY_ is offline Senior Member Weekend Warrior
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    i have seen pse bows going over 400 fps, but not 500.

  3. #3
    soccerdan90's Avatar
    soccerdan90 is offline Senior Member Die Hard Bowhunter
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    I dont believe so. 366 I believe is the fastest compound and 400 for crossbow. Dont quote me on that. I sure hope we never reach 500 fps personally.

  4. #4
    Dr. Dealgood is offline Junior Member Newb
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    Why do you hope we never reach 500fps soccerdan? The reason I ask is because I'm building a prototype that's sure to break 500, if not 600 fps.

  5. #5
    soccerdan90's Avatar
    soccerdan90 is offline Senior Member Die Hard Bowhunter
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    I think it would be cool but people will attempt 100 yd shots and I dont believe it is ethical. Thats just me though. It would be a cool bow to see though.

  6. #6
    jakeratt's Avatar
    jakeratt is offline Senior Member Semi-Hardcore
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    pse tac 15 is the fastest crossbow and its only at like 450
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  7. #7
    DriveTacks's Avatar
    DriveTacks is offline Senior Member Semi-Hardcore
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    Defeats the purpose of bow hunting, we hunt with stick and string to challenge ourselves and force the extra work for the close encounters. A line must be drawn somewhere. I start to wonder where and when we will need to re-write the record books. the bows of today definitely allow for much more of a sure kill than those of the 1980's and before. While I completely agree with the need for ethical kills and I do believe new technology increases a hunters ability, I think 500fps puts a bow in the hands of that many more half-*** sportsmen that are going to take much more questionable shots.... Dont get me wrong though I'd love to shoot 500fps for the fun of it, but when i comes to hunting I think I'll just wait till rifle season.
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  8. #8
    OHbowhntr's Avatar
    OHbowhntr is offline Senior Member Die Hard Bowhunter
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    Quote Originally Posted by Dr. Dealgood View Post
    Why do you hope we never reach 500fps soccerdan? The reason I ask is because I'm building a prototype that's sure to break 500, if not 600 fps.
    So what materials are you devising to make the limbs out of??? 100% Kevlar limbs??? Then you'd have to figure out the material for the strings as well to hold the force created.... Mechanically, even some of the highest efficiency bows will have a hard time getting 350fps, and there has been a LOT of R&D getting to this point in the last 15yrs. If you can get to that 500fps, you'll be doing better than the whole lot of researchers that have been doing this the last 15-20yrs. So are you a mechanical engineer with a specification in ballistics and reflexive materials??? Good luck, but I doubt you're gonna get us there, and personally, as was said above, I hope it never comes to that.

    There is an ARC in ARChery, and I sort of like it. Now get an AIR-POWERED system to launch an arrow, and I think you have a chance, but with "sticks" and "strings" I think it's gonna be a stretch.
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  9. #9
    z7x
    z7x is offline Junior Member Newb
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    I have a friend shooting a pse at 395, thats a little rediculous for a bow. But even at that he wouldn't hunt whitetail without turning it down.
    Now then, take your weapons, your quiver and your bow, and go out to the field and hunt game for me. - Genesis 27:3

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  10. #10
    soccerdan90's Avatar
    soccerdan90 is offline Senior Member Die Hard Bowhunter
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    What kind of PSE?

  11. #11
    Adamant2010 is offline Senior Member Semi-Hardcore
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    Quote Originally Posted by z7x View Post
    I have a friend shooting a pse at 395, thats a little rediculous for a bow. But even at that he wouldn't hunt whitetail without turning it down.
    What arrow set up is your friend using to reach 395fps?....arrow type, weight etc....
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  12. #12
    Dr. Dealgood is offline Junior Member Newb
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    Quote Originally Posted by OHbowhntr View Post
    So what materials are you devising to make the limbs out of??? 100% Kevlar limbs??? Then you'd have to figure out the material for the strings as well to hold the force created.... Mechanically, even some of the highest efficiency bows will have a hard time getting 350fps, and there has been a LOT of R&D getting to this point in the last 15yrs. If you can get to that 500fps, you'll be doing better than the whole lot of researchers that have been doing this the last 15-20yrs. So are you a mechanical engineer with a specification in ballistics and reflexive materials??? Good luck, but I doubt you're gonna get us there, and personally, as was said above, I hope it never comes to that.

    There is an ARC in ARChery, and I sort of like it. Now get an AIR-POWERED system to launch an arrow, and I think you have a chance, but with "sticks" and "strings" I think it's gonna be a stretch.

    I can see the mood on this thread has turned against me so this will be my final post on it, but to answer your questions: The limbs are gordon composites materials (GC-70-UCL, GC-60-UCB etc.) the string is a combination of Vectran and Endura 1512 and the KE of the whole thing is 293.48 ft*lbs. Draw weight: 72 lbs, Draw length: 28.9 in, brace height: 9 in I realize some of you may say its impossible to get 293.48 ft *lbs over 28.9 inches with 72 lbs but if you draw the bow more than once before you shoot it isn't. Believe me I've crunched all the numbers and run all the simulations and it's going to work, and yes I am a mechanical engineer but I don't have a specification in anything

  13. #13
    quiksilver's Avatar
    quiksilver is offline Senior Member Semi-Hardcore
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    A bow that stores energy from more than one draw cycle is illegal in most states.

    I actually talked to a design engineer about building a similar bow 4-5 years ago. One that stored one full draw cycle through a ratcheting cam system, then released after the second draw cycle. You drew it once to pre-load the limbs, let it down, then drew it again and fired, as normal (but with 2x the energy). The results would've been crossbow power out of a compound bow.

    I'm following you. I've thought this out many times, also.

    The bad news for you is that it's illegal in most states as a "draw locking device."
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  14. #14
    Bonesaw Guest
    Quote Originally Posted by Dr. Dealgood View Post
    I can see the mood on this thread has turned against me so this will be my final post on it, but to answer your questions: The limbs are gordon composites materials (GC-70-UCL, GC-60-UCB etc.) the string is a combination of Vectran and Endura 1512 and the KE of the whole thing is 293.48 ft*lbs. Draw weight: 72 lbs, Draw length: 28.9 in, brace height: 9 in I realize some of you may say its impossible to get 293.48 ft *lbs over 28.9 inches with 72 lbs but if you draw the bow more than once before you shoot it isn't. Believe me I've crunched all the numbers and run all the simulations and it's going to work, and yes I am a mechanical engineer but I don't have a specification in anything
    I'm not against you my friend, infact I admire the fact that you have set a goal/standard for yourself ! Eventhough speed means very little to me in the archery world, I am excited to hear your results and I hope you are able to accomplish your goal. Aim high my friend because the reward will be worth it!

  15. #15
    Dr. Dealgood is offline Junior Member Newb
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    So how is a crossbow not considered a draw locking device?
    Last edited by Dr. Dealgood; 09-20-2011 at 07:04 AM.

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