Sling-X-Bow with scope

Discussion in 'Slingshot Crossbows' started by JoergS, Sep 15, 2011.

  1. JoergS

    JoergS Administrator

    5,803
    109
    63
    <embed pluginspage="http://www.macromedia.com/go/getflashplayer" src="http://www.youtube.com/v/jOd6r2x-j7I" width="425" height="350" type="application/x-shockwave-flash" wmode="transparent" quality="high" scale="exactfit"></embed>
     
  2. John S

    John S New Member

    197
    0
    0
    Can you get the same penetration from your arrow shooting sling-x-bow as you did in this video with a ball?
     

  3. DanielBenford

    DanielBenford New Member

    160
    0
    0
    thats a pretty sexy crossbow i have to say
     
  4. smoke

    smoke New Member

    20
    0
    0
    I was wondering how hard it was to push to cock the gun. Does it take alot of effort?
     
  5. petersonOD

    petersonOD New Member

    178
    0
    0
    Wow. Right through the can AND most of the gelatin. Would penetrate flesh just as well probably.
     
  6. SkauneJohan

    SkauneJohan Member

    144
    0
    16
    I wonder what is the medieval replica crossbow called? never seen anything like it
     
  7. redneckozzie

    redneckozzie New Member

    33
    0
    0
    @Joerg..... This is exactly what i want, its perfect!... PM me if you can sell me one <img src="http://illiweb.com/fa/i/smiles/icon_lol.gif" alt="Laughing" longdesc="7"><br>It must do awesome fps numbers through the chrony, be up around the 400 fps<br>id imagine, any idea joerg?
     
  8. redneckozzie

    redneckozzie New Member

    33
    0
    0
    I forgot to ask why people call these things "sling shot crossbows" when<br>there is no cross?( not talking about the chinese ones)... I call them slingrifles, otherwise i get confused with your<br>medievil type sling xbows, hope that makes sense <img src="http://illiweb.com/fa/i/smiles/icon_lol.gif" alt="Laughing" longdesc="7">
     
  9. bnorman

    bnorman New Member

    18
    0
    0
    <table width="90%" cellspacing="1" cellpadding="0" border="0" align="center">
    <tr><td><span class="genmed"><b>redneckozzie wrote:</b></span></td></tr>
    <tr><td class="quote">...It must do awesome fps numbers through the chrony, be up around the 400 fps id imagine, any idea joerg?</td></tr>
    </table>
    <span class="postbody"><br><br>If I read the information correctly, latex has a maximum "speed" regardless of how much weight it can push. More bands means more weight, but not velocity above what latex can deliver. Has anybody broken the 300fps (91mps) barrier with latex? Anywhere between 200fps (61mps) and 250fps (76mps) is considered "good" with latex.<br><br>The demonstration showed the result of a greater mass maintaining its velocity through cat can, water, gel, and air behind it all. I suspect that "muzzle" velocity of the bow strings was actually faster than the bands.<br><br>This video is very instructive how mass is desireable when you cannot simply "pump up" for an increase in velocity.<br><br><br>I too get confused about "slingbows" without a bow. But then "slingrifles" is a bit cockeyed too. There is no barrel to cut rifling in (to cause the projectile to spin). "Slingmusket" or "slinglongstick" might be better. If I were to make one, the best I could call it would be "slingblunderbuss".<br><br><br>bnorman</span>
     
  10. redneckozzie

    redneckozzie New Member

    33
    0
    0
    @bnorman...I think i was dreaming when l mentioned 400 fps <img src="http://illiweb.com/fa/i/smiles/icon_lol.gif" alt="Laughing" longdesc="7"><br>But you gotta admit anything with a 55pound draw shooting 9.5 or <br>10mm steel ball is gonna be up there!...it looked about medium range<br>air rifle velocity in the video to me... Please chrony it joerg, im curious. PS, i only call it a "slingrifle" because thats what it looks like!.... nothing to do with rifled barrels etc, its the fact it has that tactical look about it with the scope, rifle stock etc.
     
  11. redneckozzie

    redneckozzie New Member

    33
    0
    0
    @bnorman.. Have you seen Gamekeeper john's video where he chronies<br>his catapults fitted with the tapered double thera band gold and he hits<br>300+fps with 9mm steel ball= inpressive!...Im pretty sure he said that was at around<br>a 40 pound draw weight when he did that... I think joerg's got triple tapered gold bands<br>on this one to crank it up to around a 50-55 pound draw weight, Okay if you are big like joerg, you need to be so you can cock it <img src="http://illiweb.com/fa/i/smiles/icon_smile.gif" alt="Smile" longdesc="2">
     
  12. bnorman

    bnorman New Member

    18
    0
    0
    <table width="90%" cellspacing="1" cellpadding="0" border="0" align="center">
    <tr><td><span class="genmed"><b>redneckozzie wrote:</b></span></td></tr>
    <tr><td class="quote">@bnorman.. Have you seen Gamekeeper john's video where he chronies<br>his catapults fitted with the tapered double thera band gold and he hits<br>300+fps with 9mm steel ball= inpressive!...Im pretty sure he said that was at around<br>a 40 pound draw weight when he did that... I think joerg's got triple tapered gold bands<br>on this one to crank it up to around a 50-55 pound draw weight, Okay if you are big like joerg, you need to be so you can cock it <img src="http://illiweb.com/fa/i/smiles/icon_smile.gif" alt="Smile" longdesc="2">
    </td></tr>
    </table>
    <span class="postbody"><br><br>Hey, thanks for the heads up! Anybody who can get 300+ gets my accolades. Definitely pressing the very limits of the energy release rate (acceleration) from latex. A light(er) projectile, triple tapered bands, and a massive amount of human energy poured into pulling back those bands culminate into "Awesome".<br><br>I'm going to check out Gamekeeper John's vids. Learning is always a Very Good Thing.<br><br>A person could have the world's ugliest shooter and still get respect from power. And as much as I'm more into function than art, what helps to keep me browsing through this site (and only this site) are all the works of art and joy-in-the-making displayed here. Sooooo many polished diamonds compared to my boulders being rolled to the edge of the cliff.<br><br>As I mentioned, my efforts would be labled 'bnormans blunders'.<br><br>bnorman</span>
     
  13. bnorman

    bnorman New Member

    18
    0
    0
    Ah, yes. John vs Bird ("POWER & IMPACT TEST ON A RAW CHICKEN & CHRONY TESY")<br><br>utubie watch?v=D6EvJxxtl1g (7-day rule was invoked. Readers will have to cut-n-paste to watch)<br><br>309fps with a small ball. Fun stuff. Nice to know that velocity is attainable.<br><br>There is another lesson to be learned from that vid. The small faster steel ball doesn't have anywhere near the energy of the larger slower (going a "measly" 247fps) heavy lead ball. One of the small balls was stopped by the leg bone, and the rest made much smaller punctures and didn't "whack" the backstop with the emphasis that the heavy lead did. Faster will shoot "flatter", but, lighter will not bring as many tears to the eyes of the lady of the house when she cries out "John, what on earth are you doing to our dinner???"<br><br>bnorman
     
  14. onnod

    onnod Im from Holland, isnt that weird?

    6,001
    18
    38
    <table width="90%" cellspacing="1" cellpadding="0" border="0" align="center">
    <tr><td><span class="genmed"><b>bnorman wrote:</b></span></td></tr>
    <tr><td class="quote"> "John, what on earth are you doing to our dinner???"</td></tr>
    </table>
    <span class="postbody"><br><img src="http://illiweb.com/fa/i/smiles/icon_razz.gif" alt="Razz" longdesc="9"><img src="http://illiweb.com/fa/i/smiles/icon_razz.gif" alt="Razz" longdesc="9"><img src="http://illiweb.com/fa/i/smiles/icon_razz.gif" alt="Razz" longdesc="9"><img src="http://illiweb.com/fa/i/smiles/icon_razz.gif" alt="Razz" longdesc="9"><img src="http://illiweb.com/fa/i/smiles/icon_razz.gif" alt="Razz" longdesc="9"><img src="http://illiweb.com/fa/i/smiles/icon_razz.gif" alt="Razz" longdesc="9"><img src="http://illiweb.com/fa/i/smiles/icon_razz.gif" alt="Razz" longdesc="9"></span>
     
  15. bnorman

    bnorman New Member

    18
    0
    0
    Moving back on-topic, considering redneckozzie's comment about strength, and borrowing a page from crossbow cocking, how about "stock over the shoulder, muzzle on the ground, press down with both hands on two-handed fork"? That way your weight, not your body strength, becomes the source of energy.<br><br>bnorman
     
  16. JoergS

    JoergS Administrator

    5,803
    109
    63
    The problem I see with this cocking method is that the ball has to be in the pouch while you cock the weapon, A misfire may ricochet. And if you press down, your baody/face may be in the line of fire. <br><br>If you pull up with the muzzle down, your body and face leans away from the line of fire.
     
  17. bnorman

    bnorman New Member

    18
    0
    0
    <table width="90%" cellspacing="1" cellpadding="0" border="0" align="center">
    <tr><td><span class="genmed"><b>JoergS wrote:</b></span></td></tr>
    <tr><td class="quote">The problem I see with this cocking method is that the ball has to be in the pouch while you cock the weapon, A misfire may ricochet. And if you press down, your baody/face may be in the line of fire.</td></tr>
    </table>
    <span class="postbody"><br><br> Yes sir, that could prove to be an incovenience. "Negligent Reload".<br><br>Detective#1:"The good news that bnorman here had the muzzle pointing in a safe direction."<br><br>Dectective#2:"But the steel ball made such a nice round entrance hole in his skull."<br><br>Dectective#1:"The bad news is that bnorman blundered by sticking said skull in the line of fire."<br><br>Dectective#2:"Then the good news is that makes him a finalist for the 2012 Darwin Award."<br><br></span><table width="90%" cellspacing="1" cellpadding="0" border="0" align="center">
    <tr><td><span class="genmed"><b>JoergS wrote:</b></span></td></tr>
    <tr><td class="quote">If you pull up with the muzzle down, your body and face leans away from the line of fire.</td></tr>
    </table>
    <span class="postbody"><br><br>Easy for you to say! Some days I have trouble pulling up my trousers! But you do make an excellent safety point, and I hereby formally withdraw my suggestion.<br><br>bnorman</span>