The scenario: The shooter is standing safely on a rooftop, and fires down at approaching Zombies - until the area has been cleared.
This time, I tested a specifically designed monster slingshot against a 40mm (1,57") particle board. Even a carpenter's hammer, brought down with full force, can not punch a hole in this thick piece of wood.
Regular slingshots have no chance against the board - not even a Hand Howitzer shot in full butterfly.
But the RTZAS (Roof Top Zombie Annihilation Slingshot) gives you 3,70 meters draw length - more than 11 ft. This is enough to punch a huge hole into the board, with an enormous exit funnel! The weapon is no doubts more than strong enough to smash a Zombie skull.
The video also shows the aiming procedure and the accuracy of the weapon.
This may be the strongest portable hand operated slingshot ever built!
Now that's real Power! I would like to see RTZAS thing shoot all sorts of things. Like a small jar of mustard, ninja stars, I-phone, coffee cup, three pub darts, beer bottle. You never know what sort of ammo you will have on that roof top. Great job!
ReplyDeleteI have had no doubt a full butterfly is more powerful than my ear or chin anchor point, but I have stayed away purposefully due to mistrust formed years ago. Yet for my infrequent devices, I will employ longer bands resulting with exceptional power. I am always surprised what a few extra inches of rubber will produce. This video, without a doubt, proved this.
ReplyDeleteI think this to be one of your best videos for the variety of subjects and the more than usual explanation and commentary. Very well done. Thank you.
this video could easily be another ten minutes or so. The sound it makes is like music to my ears.
ReplyDeletegood video and scary slingshot... is the 40mm kitchen board stronger than 19mm multiplex?
ReplyDeleteGreat work as always. You said the energy should be a bit over 200 joules. That's the energy (210J) of 9.6 g .38 Special wadcutter bullet at 210 m/s, so it's very lethal indeed. Very, very impressive! I can't even imagine what you will come up with next.
ReplyDeleteDo you have an idea of how much energy this produces, or is the chrony still dead? Do you think you could fire arrows with this if you moved the propping stick up in line with the fork, or hooked them to the bands at the tip? I know it isn't as compact as a hunting bow, but I would be curious to see if it would still shoot as fast.
ReplyDeleteHorstel, I am not sure, my multiplex is to expensive to shoot at it. My gut feeling is that multiplex IS in fact stronger. I don't think the hammer will go through it either.
ReplyDeleteCaseFace, the chrony is still dead. I could fire arrows with it, but what for? This needs very heavy projectiles, much heavier than even full size arrows. And arrows are expensive.
if you'd shoot a videocam plus parachute with it, you could record whole europe
ReplyDeletei like the funny sketches of the "rooftop situation"
ReplyDeleteWhats the range of it. ie how far away can you be from the (zombie) and still destroy it?
ReplyDelete@Joerg: When you don`t want to shoot arrows, why don`t you shoot big sized flechettes with it? 1-1,5cm dia. ones should be heavy enough.
ReplyDeleteOf course. If the zombies do get you, and they take over the slingshot...... "it's the end of the world as we know it, it's the end of the world as we know it"
ReplyDeleteAMAZING SLINGSHOT! The only improvement I'd make is to put a rotating disk on it, so you don;t have to turn the whole board when you're shooting. The way you currently turn it, zombies would probably get too close. AWESOME work though! So powerful!
ReplyDeleteLike Kyle said....that's real POWER...
ReplyDeleteamazing...it went through the Wood as it is
butter...Great
Awesome!!
ReplyDeletequestion, do you have a clip of bloopers? .. LOL
Take that you filthy turnip zombie! Love how Joerg wags his non existant tail when he's really having fun. Very deadly slingshot, most impressive. Don't worry about jerks Joerg, psychos will be dangerous with a sharp stick and your slingshots are for fun which they do exceedingly well. However I know your aim is probly amazing would wag my tail if you decide to showcase accuracy some day. Take it easy Joerg
ReplyDeleteHoly freakin crap, that has got to be one of the coolest things I have ever seen. Thank you
ReplyDeleteWhat diameter ball did you use for the successful result? What were the band details; width, number, taper? Impressive power. A "WALL GUN"!
ReplyDeleteReally impressive as always. I'd like to see what kind of penetration this thing gets on a softer target like ballistic gel or a turkey (possible thanksgiving video?).
ReplyDeleteAlso, have you thought of some kind of swivel mount for the rooftop slingshot? Keep the videos coming, they're quite informative and entertaining!
Your slingshots are some of the most beautiful creations I have ever seen. Thank you so much for putting together such an amazing YouTube channel. Please keep up the remarkable work.
ReplyDeleteA swivel would work, for sure. But it is actually not hard to simply shift the end of the board a bit with my foot.
ReplyDeleteI shot 25 mm (1") steel balls through the board. But smaller balls will go through as well, I tested that afterwards.
I used three layers of TB Gold, 74cm long, 2,8cm at the "fork" and 1,8cm at the pouch.
I bet it was also very easy to build.
ReplyDeleteJörg,
ReplyDeletethanks a lot for not only doing such a great work but also documenting the results and recording your experiments. Watching a 10 minutes episode from the slingshot channel gives me more entertainment than watching the whole evening free TV :)
In regard to the penetration power I guess even your roof top slingshot will have a hard time going through any sort of plywood. A particle board (no matter how thick it might be) is mostly kept together by glue. It is more or less sawdust. So the force required for penetration is more or less equal the shear force required to break the glue. Plywood is somewhat a composite material which is hard to break. I doubt a 1" steelball fired from the Zombie Rooftop Anhilator will penetrate even the thinest plywood. The challenge here would be the fixation of the plywood to avoid flexing (which normally would eat up all power applied by the projectile).
I wonder why people want to see the effect on soft targets. When shooting against ballistic gelatine I guess the 1" steel ball will go through like a hot knife through butter. At least unless Jörg is casting a cube of gelatine with 3 m edge length :-)
On an organic target (e.g. part of an animal from the butcher) the effect will be pretty similar. Either the target is thick enough and the steel ball will not go through "only" causing blunt damage or the target does not provide enough resistance and we will see an 1" hole in it.
I agree with you that true arrows are too expensive for any experiments with the rooftop anihaltor but how about selfmade flechettes ?
I am not really shure but those M10 or M12-based flechettes you used for test could be perfect in terms of weight. I'd loved to see a penetration test on this 40 mm particle board although I could imagine that it can be quite dangerous if the flechette is reflected.
Any chances for a flechette test from the zombie anhilator ? :)
Have a nice weekend !
Holger
Hey,
ReplyDeleteGreat post. You've got some awesome work on here. Do you have an email I can contact you on? Had a browse through the website but couldn't locate it. You can contact me on rgibson(a)farnell(dot)com
Thanks
Ryan
Are there diagrams and materials lists for the frame available?
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