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Modern day trebuchet in Syria (Read 4710 times)

David Morningstar Slinging.org Moderator Offline Slinging Rocks! Posts: 3419 UK	Modern day trebuchet in Syria Feb 16^th, 2013 at 12:29pm Jump to 45 seconds, the rest of it is just gun-waving propaganda: http://www.liveleak.com/view?i=da0_1361030769 It is a very advanced modern design of trebuchet, the weight connects with a cable to an arm with outriggers that make it act like a pulley. You get constant torque on the arm throughout the entire power stroke.
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HurlinThom

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Re: Modern day trebuchet in Syria
Reply #1 - Feb 16^th, 2013 at 2:58pm

The design is based on Leonard Vance's MURLIN. Not to contradict David too much, but the lengths of the "sprocket" arms is calculated to give different amounts of leverage at different points of arm rotation. I don't think the Syrian machine quite follows best practice here. In terms of utilizing the energy stored in the raised counterweight the MURLIN is the most efficient design yet.

Here's a link to one of Vance's videos. (Looks like a version of my unisling design is used!)

http://www.youtube.com/watch?NR=1&feature=endscreen&v=jWPeGxZgfR4

MURLINs crop up in the strangest places. Thanks for finding this, David.

When all is said and done more will have been said than done.

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AncientCraftwork Interfector Viris Spurii Offline Posts: 2403	(delete) Reply #2 - Feb 16^th, 2013 at 4:54pm (delete)
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Mauro Fiorentini Forum Moderation Offline Forge your future with the hammer of your mind! Posts: 3442 Ancona, Italy. Gender:	Re: Modern day trebuchet in Syria Reply #3 - Feb 17^th, 2013 at 7:14am That's way too cool! I remember Italian protestors used something like that last years! Topic added to the PW Index. Greetings, Mauro.
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squirrelslinger Interfector Viris Spurii Offline peace through superior firepower Posts: 2870 Ky, USA Gender:	Re: Modern day trebuchet in Syria Reply #4 - Feb 18^th, 2013 at 5:42pm That is awesome. Is it legal to build them in the U.S for recreation(I.e. chuckng tennis balls to a dog)?
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Thunder Chief Funditor Offline Don't Panic! Posts: 838	Re: Modern day trebuchet in Syria Reply #5 - Feb 18^th, 2013 at 6:39pm squirrelslinger wrote on Feb 18^th, 2013 at 5:42pm: That is awesome. Is it legal to build them in the U.S for recreation(I.e. chuckng tennis balls to a dog)? Yes. You can build castle shattering versions too if you'd like
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HuntsmanSling Funditor Offline Sling Maker Posts: 687 Vancouver, WA Gender:	Re: Modern day trebuchet in Syria Reply #6 - Feb 18^th, 2013 at 7:10pm squirrelslinger wrote on Feb 18^th, 2013 at 5:42pm: That is awesome. Is it legal to build them in the U.S for recreation(I.e. chuckng tennis balls to a dog)? Here boy fetch this ball a mile Lolz.
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squirrelslinger

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Re: Modern day trebuchet in Syria
Reply #7 - Feb 18^th, 2013 at 7:25pm

HuntsmanSling wrote on Feb 18^th, 2013 at 7:10pm:

squirrelslinger wrote on Feb 18^th, 2013 at 5:42pm:

That is awesome. Is it legal to build them in the U.S for recreation(I.e. chuckng tennis balls to a dog)?

Here boy fetch this ball a mile Lolz.

totally.
I have this little Multishon, like 7 years old, and like 15 pounds.
its just an excuse...

“Insanity is doing the same thing, over and over again, but expecting different results.”
"You don't think the electricity is off. You check it 3 times to make SURE its off"
"Remember, this is not a scalpel. It is a steel wedge that you will be slamming into knotty wood. Hone accordingly."

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HurlinThom

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Re: Modern day trebuchet in Syria
Reply #8 - Feb 18^th, 2013 at 11:35pm

squirrelslinger wrote on Feb 18^th, 2013 at 5:42pm:

That is awesome. Is it legal to build them in the U.S for recreation(I.e. chuckng tennis balls to a dog)?

They're classified as Weapons of Medieval Destruction.

Chucking tennis balls for a dog is fine. Chucking the dog, not so much. And pulting cats is frowned on, too.

When all is said and done more will have been said than done.

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jlasud Interfector Viris Spurii Offline Programming stones Posts: 2358 Transilvania Gender:	Re: Modern day trebuchet in Syria Reply #9 - Feb 19^th, 2013 at 12:45am LOOOL they searched the net well!
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Arcane Tinker Funditor Offline Slinging everything 'cept b.s. Posts: 738 Western Wisconsin Gender:	Re: Modern day trebuchet in Syria Reply #10 - Feb 19^th, 2013 at 8:28pm jlasud wrote on Feb 19^th, 2013 at 12:45am: LOOOL they searched the net well! They got the internet back?
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