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The Slingshot Channel Thread

All non-spudgun related discussion goes here such as projects, theories, serious questions, etc. All "off-topic" posts (aka useless posting, determined by moderators) will be removed.
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Unread postAuthor: JoergS » Sun May 27, 2012 10:37 pm

COLORS magazine challenged me to make weapons out of trash.

Here is my take:

[youtube]http://www.youtube.com/watch?v=dC5vz1Bh5c4[/youtube]

Enjoy!
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Unread postAuthor: Fnord » Mon May 28, 2012 11:41 am

Interesting and educational :)

I can't help but wonder who would win in a battle between Joerg and Mcgyver...
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Unread postAuthor: JoergS » Mon May 28, 2012 12:00 pm

Now that the actor who played McGyver is 62, I think my chances would be fairly good :)
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Unread postAuthor: CpTn_lAw » Mon May 28, 2012 2:34 pm

Note that the actor that played McGyver (Michael Dean Anderson) also went on several other planets and fought numerous other species.

On a more related note, nice stuff as always Joerg!!
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Unread postAuthor: JoergS » Sun Jun 03, 2012 2:01 pm

I have been shooting quite a bit of crazy ammo these last four years. But there are still a few challenges left. One of these much asked for weapons is a slingshot crossbow that can shoot pointy, dangerous throwing knifes with force.

Now a throwing knife isn't very well suited for beeing fired from a crossbow. The bottom heavy knifes are supposed to spin around in the throw, which requires a ton of practice. But to be shot straight from a crossbow requires a specifically designed guiding system.

The simple, but effective weapon presented in this video uses four flat aluminum rods as guides for the knife, which works quite well. Three layers of Thera Band Gold drive the blades far faster than any human beeing could throw them - and with serious accuracy.

[youtube]http://www.youtube.com/watch?v=iK5XvHWKVD0[/youtube]

There is room for enhancements, especially the looks can be much improved. But for the 8 hours I spent on it so far, I am fairly pleased.

As a bonus, the second "Zodiac sign" prize slingshot is presented, made from two different types of wood, and featuring twin forks.
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Unread postAuthor: mattyzip77 » Sun Jun 03, 2012 2:17 pm

wow, you never cease to amaze me with your inventions!!!! Very awesome!!
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Unread postAuthor: JoergS » Sun Oct 07, 2012 12:34 am

[youtube]http://www.youtube.com/watch?v=Rw9jA7VWqw4[/youtube]
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Unread postAuthor: PVC Arsenal 17 » Sun Oct 07, 2012 2:47 pm

Awesome one, Joerg!
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Unread postAuthor: Labtecpower » Sun Oct 07, 2012 3:07 pm

Bloody awesome, I wouldn't like one of those pleasure devices launched at my head :D
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Unread postAuthor: King_TaTer » Mon Oct 08, 2012 2:09 am

Always great works of engineering from you Joerg, keep it up. This episode was rather comical which was very fitting considering your ammo choice and launcher design. Well done.
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Unread postAuthor: jackssmirkingrevenge » Mon Oct 08, 2012 2:28 am

hehehe nice one with the acronym :D

Better than the Jackass effort!

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Unread postAuthor: POLAND_SPUD » Mon Oct 08, 2012 2:06 pm

lol like how you pronounce
'zis wasn't ment to be serious but I like it anyway'


ohh and how is accuracy ? can put the projectiles in a properly sized target at lets say 10 meters ? :D :D :D
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Unread postAuthor: JoergS » Tue Oct 09, 2012 12:31 pm

The 28mm D.I.L.D.O. ammo flies straight for about 5 to 7 meters, then it tumbles. However if you take the battery out, it flies very stable as it is front heavy then.

With the steel reinforced stake, it is very accurate.
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Unread postAuthor: jackssmirkingrevenge » Wed Oct 10, 2012 12:37 am

POLAND_SPUD wrote:a properly sized target


Oh dear lord... I've heard of "shooting your load" but this is a bit extreme!
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Unread postAuthor: POLAND_SPUD » Wed Oct 10, 2012 7:57 am

well the projectiles do penetrate the gelatin block really well

shame to admitt but I've never disasembled a dildo - I assume there is an excentric mass mounted on the shaft of an electric motor, JSR is that right ?

anyway what if the mass was perfectly balanced and acted as a gyro? how fast would it have to spin or how heavy it would have to be to stabilise an inherently instable projectile??
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