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JoergS
 
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Slingshot: 100% Stainless Steel, Self Centering, 80 Joules!

Made another slingshot today (of course), further enhancing the "W" design once given to me by Bill Herriman.

Slightly smaller, nicer joints, stainless steel rotating handle, and flat bands made out of Thera Band Blue!

Great material. I hit 67 meters per second with the .75 lead ball, that is almost 81 Joules!

The two-pivot-design allow very flat forks, just flat enough to let the pouch pass. Hits on the hand are not possible with this design, because of the self centering.

Here is a video:

+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.




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Old 11-15-2009, 11:14 AM JoergS is offline  
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sanjay
 
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nice work as usual Joerg!
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Old 11-18-2009, 12:59 PM sanjay is offline  
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RazorWind
 
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Wow, that's really cool. It looks like a commercially made product, almost.

Out of curiosity, how do these things compare in terms of lethality to a handgun?
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Old 11-18-2009, 02:07 PM RazorWind is offline  
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chuckybob
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Quote:
Originally Posted by RazorWind View Post
Out of curiosity, how do these things compare in terms of lethality to a handgun?

if memory serves, 2J to the temple is fatal
Old 11-18-2009, 02:49 PM chuckybob is offline  
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JoergS
 
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Quote:
Originally Posted by RazorWind View Post
Out of curiosity, how do these things compare in terms of lethality to a handgun?

A handgun is far more lethal than a slingshot. 80 Joules is lot of energy, but even a standard handgun will easily have 450 Joules, and for a powerful rifle, 3000 Joules is not impossible.

My powerful slingshots can kill a human beeing, I think (but I really have no intention to test that ever). You would have to hit the attacker very much in the most vulnerable parts of his head to kill. Through the eye socket or the upper skull (so you penetrate the brain). I can do that from 15 meters, easily.

I do not think a direct hit on other body parts would kill an adult. It would inflict a massive trauma and, no doubts, cause severe pain. It would break bones should you hit an arm or the ribs etc.

I tested my slingshots against a pig's leg, with thick pig skin on it, and the bullet penetrated the skin (which is probably four times as thick as human skin) and caused a massive subcutaneous bleeding even though the beast was dead and there was no more blood flow.

Here:

+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.


And I also tested my slingshots against a leg of lamb.

Here:

+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.


The tests have been done with my earlier designs, I now have reached more power. So the effect of my newer slingshots would be even more devastating.

I think a direct hit of a big slingshot ball to the body would not kill the attacker, but the pain and the injury would end the attack for sure.

Jörg
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Old 11-19-2009, 06:58 AM JoergS is offline  
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#5  

_mike_
 
not to mention the lead poisoning.
Old 11-19-2009, 07:39 AM _mike_ is offline  
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JoergS
 
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Well, if you use steel balls, there is no lead poisoning! :-)
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Old 11-19-2009, 07:44 AM JoergS is offline  
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VostocK317
 
Have you tried to build a "double barreled" sling shot , or a sling shot that fires more than one projectile at once ?
Old 11-19-2009, 11:36 AM VostocK317 is offline  
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#8  

JoergS
 
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Any slingshot will shoot two or three smaller balls at once. Just make the pouch a little larger, even better press a small pocket in the pouch so the small steel or lead balls don't fall out. But of course you really don't gain anything.

Regarding multiple shots, I am sure you did not miss my Gatling model:

+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.
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Old 11-20-2009, 03:45 AM JoergS is offline  
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#9  

jinxz0
 
Great job Joerg!
I always enjoy the stuff you come up with. Keep up the great work, truly brilliant.
Old 11-20-2009, 03:06 PM jinxz0 is offline  
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#10  

syncore
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This stuff is really cool
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Old 11-21-2009, 03:41 PM syncore is offline  
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#11  

JoergS
 
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Hello,

a few months ago, Baumstamm (a fellow slingshooter from Germany) sent me a huge parcel with lots of stuff, including a beautiul wooden slingshot made out of multiplex wood. I put on the thinnest flat band on the market, Thera Band Tan, with 8 layers per side.

Last week, I got a parcel from Jaybird, a well known US shooter. He made a wonderful wooden slingshot (ergo shooter) just for my hands, and it turned out great.

I made a video about both slingshots, here:


+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.


Greetings, Jörg
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Old 11-22-2009, 07:41 AM JoergS is offline  
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#12  

JoergS
 
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Here is a video about a slightly enhanced version of the stainless steel model. I have included some 1200 fps slow motion scenes of various things that get bombarded!

+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.


Greetings,

Jörg
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Old 11-22-2009, 09:34 AM JoergS is offline  
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