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Posted: 3/29/2012 12:24:29 PM EDT
I recently got a note from my friend Piccolo on AR15.com. He said:
“As you may know I shoot antennas over trees and light poles with a slingshot with a fishing reel attached. The reel winds in the monofilament that drags 550 para cord that the wire goes to. I have noticed quite a difference in the flight characteristics between a 3/4 oz. sinker and a 1 oz. sinker. How about grabbing a slingshot somewhere and a few different sized things to shoot and see what kind of terminal ballistics you can get out of the various sized shot. It may very well end the birdshot/buckshot argument once and for all when you can show that mass matters. Just an idea.” Well, settling the birdshot vs. buckshot argument is a mighty high goal, but maybe we can at least have some fun. That sounded kind of interesting to me. I have also had folks ask me how much penetration you would get from buckshot at very long range, after is has slowed down a lot. I also have had folks ask me if I have ever tried loading buckshot rounds with glass marbles, or steel balls, or something other than lead buckshot. And lastly, I had a manufacturer of a new “super slingshot” ask me to try out one of their new products. It seemed like everything was coming together. First, I gathered the equipment. I had an old “no name” slingshot that I have used for years to discourage squirrels from eating my tomatoes. Here it is. I also got a new product from my friends at Montie Gear. It is a slingshot made from high quality aluminum. It is called a Slingshot, Y Fork. Here’s the link. http://www.montiegear.com/modules/shop/products/slingshot/slingshot~2C_y-fork.html Their ad says, “The aluminum frame is cut from 1/2" thick aluminum plate with a waterjet at 50,000 psi for unrivaled strength and low weight. Then we either powdercoat or anodize the aluminum frame (depending on the color). This slingshot is ready for hunting or target practice. Don't hesitate to use ammo up to a 1/2 ball bearing or .44 cal lead ball ammo with this beast! This slingshot features a tapered flat band and leather pouch assembly. The tapered flat band has a 16 pound pull weight at approximately a 28" draw. The band has a tapered shape and is made from a Thera-Band Gold material for a fast shot and long life.” It is a really high quality product. But it is not cheap, as quality equipment seldom is. It retails for $99.95. I will try several kinds of ammo. First, a glass marble that I have used in the past. It is .51 inches in diameter and weighs 43 grains. I have some steel ball ammo from Mountie that is .374 in diameter and weighs 55 grains. I cut open a 00 Buckshot shell and got a 00 buckshot which was .338 in diameter and weighs 60 grains. Lastly, I tried a round rifle ball of .440 caliber that weighs 128 grains. First, we will chronograph them with my friend Joe’s chronograph, using the old slingshot. And the bad news was that the slingshot apparently did not generate enough velocity to register on the chrono. We tried all the different balls several times but all we got was “Error” on the chrono. Now let’s try them with the Y Fork Slingshot. The glass marble did 173 fps. The steel ball did 178 fps. The 00 Buckshot did 175 fps. And the .44 ball did 143 fps. I wonder how they will penetrate. One way to find out. We shot the water jugs with the various rounds out of the Y Fork slingshot. The glass ball made a crack in the first jug, but did not penetrate. The steel ball went right through the front of the first jug, but did not exit. The 00 buckshot went through the first jug and put a very slight dent in the second jug. The .44 ball went through the first jug and almost penetrated the plastic into the second jug. Conclusions: 1. The Y Fork Slingshot had a much greater velocity than the old slingshot. Since we couldn’t get a reading on the old one, it is hard to make a statement about a comparison, but just by observing the projectiles, it appeared to have about twice the velocity than the old slingshot. It shot noticeably faster. 2. The velocity was pretty close for the different projectiles. This indicates that the greater penetration depends on the mass or weight of the projectiles. 3. The heavy lead projectiles that were doing 150 - 175 fps made it through 6 inches of water with some energy to spare. That would translate to over 3 inches penetration in ballistics gelatin. 4. After going through the chrono, the lead balls made a good dent in the wooden fence 20 yards down range. 5. I wouldn’t want to get shot with one of these things. All in all, the Y Fork Slingshot was a surprise, as it had significant greater velocity than expected. It also shot straight and true. It would certainly be useful for hunting small game, as my Dad used to use a slingshot to hunt rabbits and put many in the pot. I plan on letting my Grandson Jace practice with it and take over the anti-squirrel duties. Thanks to Joe for the chrono help and thanks to Vern for the help with the pictures. |
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Loved my old wrist-rocket I had. Had to change the surgical tubing, occasionally, though. The tubing would get weak over time.
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Maybe I should consider a slingshot in my BOB.
You never know. |
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Funny you should post this. My nephew just got a wrist-brace type slingshot for his birthday a few weeks ago. I hadn't used one since I was a little kid, and it was an old y-type homemade job with no wrist brace.
This thing is awesome. I just put a round yard rock into it, pulled way back, and let it fly at a tree about 25 yards away. Slammed the tree dead-center on the first try, and I mean hard. I'd really hate to get hit by one of these things. It would kill you in a second if it hit the right spot. |
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"old-painless" "The greatest sling shot salesman of all time"
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I was wondering when you would do the slingshot thing.
Thanks OP. ETA: You do know that they make ammo for slingshots. I think crossman makes it. Yep. Link |
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Was told by a presenter at a LaRue event that the first 6" of penetration in ballistic gel represented the strength of human skin.
This would mean that none of these would penetrate the human body, but would easily break bones and do impact trauma damage to small animals. Zombies, however, would be immune. TRG |
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"Due to an demand this week (22 Mar 2012), the current wait time for a
slingshot (after you order) is 3-4 weeks. Thanks for your patience. " Wait until they see what THIS thread does! |
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Quoted:
Great post as always. Thanks. Your grass looks awsome:D]
That is Vern's back yard. It is summer down here in Texas. |
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It looks like fun although I cannot justify $100 for a sling shot.
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Pfft.. I smacked my best fried in the head with a rock out of a rist rocket when I was about 12.
He had a BBG he was shooting me with.. when he ran out of ammo and ducked behind the bush I shot into the bush! He rolled around and howelled a little but he was OK. You really could put out an eye |
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When I was hunting in Africa, the weapon of choice for Rhinos was a slingshot.
We were always looking for a rock to shoot them with. If Rhinos came in to the waterhole, nothing else would come in. Great post. |
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It looks like fun although I cannot justify $100 for a sling shot. Try harder. Slingshots are a blast. And paintballs make fantastic ammo. Interesting article OP. Have you seen the videos some German guy posted up that involved his custom slingshot and ballistic gelatin? Posted Via AR15.Com Mobile |
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Always wear eye protection (I see that was the case for these photos). I had a wrist brace type fail and snap back into my eye once. Got lucky, but it hurt and could have been bad.
The backdrop makes me nervous. Consider doing this type of stuff at a range. (At least for demo purposes.) Though lesser risk with actual ball ammo than a rock, they can curve and you can get misfires with rolling off the shot strap up or down.
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Quoted:
Funny you should post this. My nephew just got a wrist-brace type slingshot for his birthday a few weeks ago. I hadn't used one since I was a little kid, and it was an old y-type homemade job with no wrist brace. This thing is awesome. I just put a round yard rock into it, pulled way back, and let it fly at a tree about 25 yards away. Slammed the tree dead-center on the first try, and I mean hard. I'd really hate to get hit by one of these things. It would kill you in a second if it hit the right spot. My Dad grew up shooting home-made slingshots. As an adult, he would carve them out of the fork of a tree. He worked as an Operator at a refinery and at night he would walk around his area with his slingshot. There were rabbits all around and he would frequently kill them with his slingshot. He used the punch-outs of steel where rivets would go through. He was deadly with that thing. |
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Quoted:
Pfft.. I smacked my best fried in the head with a rock out of a rist rocket when I was about 12. He had a BBG he was shooting me with.. when he ran out of ammo and ducked behind the bush I shot into the bush! He rolled around and howelled a little but he was OK. You really could put out an eye On arfcom, the only standard of proof is personal experience that results in a positive outcome. Like so - "I fell out of an airplane, landed in a haystack, walked away without a scratch. Therefore, that proves that falling out of an airplane is safe." You think that one of those wrist rocket slingshots won't put out an eye? okey dokey |
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LOL, this is....different! Nearly anything that propels a projectile interests me. But I prefer noise and smoke. |
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Loved my old wrist-rocket I had. Had to change the surgical tubing, occasionally, though. The tubing would get weak over time. Yep, dont leave it in the garage. |
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How many windows were sacrificed for the test? Are you still on speaking terms with your neighbors?
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Was told by a presenter at a LaRue event that the first 6" of penetration in ballistic gel represented the strength of human skin. This would mean that none of these would penetrate the human body, but would easily break bones and do impact trauma damage to small animals. I don't doubt that at all. It would surely crack a rib. And a hit to the eye or other soft area would do a lot of damage. These things are definitely "dangerous". |
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Just wondering, what brand of chrono did you use? Great write-up as always!
ETA: brand |
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How many windows were sacrificed for the test? Are you still on speaking terms with your neighbors? No windows were broken during this test. We made sure we had a good, stout wooden fence as a backstop. |
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Quoted: Quoted: Silly New York. QFT Quoted: Awesome Ditto on all quotes above. |
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I used to have one just like the first one and had good results with 1/2" & 3/4" steel ball bearings. I never had a limb
failure, but I did have a tube break causing me to sock myself in the jaw. But I got pretty good with it and the damage it caused amazed me. So now I need to get one of the new ones. Thanks Painless. |
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We used to go to the 7/11 and buy a bag of sourball hard candies and spend all day lighting things up with our Wrist Rockets.
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Shooting stuff IS fun.
Reading about shooting stuff is a little less fun, but it's still fun. Thanks yet again, O_P! |
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Have you become a spokeshole for Y Fork Slingshot, because now I need to get one
Another great writeup. |
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Quoted: Shooting stuff IS fun. Reading about shooting stuff is a little less fun, but it's still fun. Thanks yet again, O_P! Epic slingshot write up. |
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One with the surgical tubes was called Wrist Rocket back in the 70's.
You failed to confirm lack of reading on the Wrist Rocket. I think you should have tried to shoot at least one lead ball with Wrist Rocket. I like the folding models. Somewhere in storage I think I have one. Perhaps the flexing of the slingshot without a brace actually adds to velocity. Could try new bands on the Wrist Rocket. |
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That is an interesting sighting technique that you have
I have always held a slingshot this way, using the top fork as a sight: http://www.youtube.com/watch?v=P1up1TX2ATI *spellin' |
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Have you become a spokeshole for Y Fork Slingshot, because now I need to get one Another great writeup. Same here, but not for that kind of money. |
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You failed to confirm lack of reading on the Wrist Rocket. I think you should have tried to shoot at least one lead ball with Wrist Rocket. "And the bad news was that the slingshot apparently did not generate enough velocity to register on the chrono. We tried all the different balls several times but all we got was “Error” on the chrono. " We tried all balls, several times. No joy. |
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When I was in Iraq, I worked with a Phillippino who made his own (crude) slingshot and he was extremely good with it. He'd shoot pigeons and eat them. (Good for asthma, among other things, he said). I personally saw him shoot a pigeon out of the air, as well as killing TWO pigeons with ONE rock. No shit. I witnessed it. The rock bounced off the head of one and hit the other in the head. The Phillippinos also liked to eat fox. I watched them make a very effective fox trap using a board, a sandbag, and some 550 cord. Fox for lunch!
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Quoted:
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You failed to confirm lack of reading on the Wrist Rocket. I think you should have tried to shoot at least one lead ball with Wrist Rocket. "And the bad news was that the slingshot apparently did not generate enough velocity to register on the chrono. We tried all the different balls several times but all we got was “Error” on the chrono. " We tried all balls, several times. No joy. The chrono's ability to read the velocity with the SAME ammo - but the other slingshot - suggests velocity was the variable. And does New York actually have a ban on these??!? |
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