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K'nexecutioner 2.0 - "Cyclone" Answered

EDIT: Cyclone's instructable is complete.

https://www.instructables.com/id/E43XRBSF2ZL52WN/

It works in the same way as the K'nexecutioner, but is much better designed.

- More power - safely uses double the rubber bands of each barrel as the first K'nexecutioner

- One-handed Uzi configuration inspired by the Perfect Dark weapon "Cyclone" (I am using two in the video)

- Can use any size rod but holds onto (won't drop) blue rods. (firing all grey rods in the video)

I have doubts that anyone at all built my K'nexecutioner, so I'm hoping that this one, smaller, is more possible. If you have the parts to build TWIN cyclones, though, you won't regret it!

Hoo-ah! Pictures! And a new video!



33 Replies

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MI6 (author)2008-07-05
user

what are the white rods on the ends for?

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user

They gently hold the ammo in place. As far as I know, the K'nexecutioner was the first to use this.

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user

actually,it was odalumps machine gun,look at the ammo,a grey connector holds the rod in place.

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user

Yes but that's completely different. I'm pretty sure I invented this method of tucking a rod into another to hold it in place, unless someone can show me where else it's been used.

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gunmanx (author)2007-06-17

lol i was ganna make but i found out i only had one red gear...:P

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Danny (author)Perfect Duck2007-06-17

erm u should make knex a keyword because it doesnt show when u seach knex and recent

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user

but doesnt that increase friction and decrease power?

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user

It takes merely a tap for it to let go, and I don't know of any better way of holding in rods that could fit in so tight of an area. Weight is an issue, too. By the way, your calling attention to that component brought about a new idea that even more vastly improves on the barrels. By moving the white rods further back, Cyclone can now properly hold onto ANY size rod (because it's tucking into the rear end instead of the front), making it very ammo-versatile.

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oodalumps (author)Perfect Duck2007-06-08

Have you tried using the mechanism I have on my bullets? They release the friction at the same time as they are fired. Anyways, this is definitely the best MG I've seen. I'll actually make it.

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Perfect Duck (author)oodalumps2007-06-16

The parts that hold the rubber bands are between the trigger and the ammo because I want long barrels. (longer travel space, more time to accelerate) The system is ingenious, but incompatible.

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user

Well yet again an engineering master piece.

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Mad Cat (author)2007-06-08

Wow! I loved the K'nexecutioner and I love this! I did build the K'nexecutioner (my cat hates me now) and I'll definately build this. However, I marvel at the insane amount of grey connectors. I improvised with the barrels on the other gun, but I think I can live with this.

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Perfect Duck (author)Mad Cat2007-06-08

The K'nexecutioner, if you did it exactly as I did, used 8 grey connecters on each of 42 barrels. It's time-consuming to go back and alter these belts and I'm not sure whether they could be improved, but each barrel of Cyclone (and each gun has 19 barrels) uses 11. For the ammo belts alone... K'nexecutioner used 336 dark grey connectors and 84 black chain-links Twin Cyclones take 418 dark grey connectors and 114 black chain-links (and considerably more spacers)

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justavip (author)Perfect Duck2007-06-09

can you make one that needs no engine like a crank

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Perfect Duck (author)justavip2007-06-12

Well you could just use the ammo belt by itself and scroll your finger all the way down each trigger. xD (which is actually insanely effective)

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Danny (author)2007-06-08

could you count the gears for me and tell me how many there are because i will need to but the right amount

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Perfect Duck (author)Danny2007-06-08

Each cyclone uses 12 medium red gears. But actually, not all of them are necessary. It could still work with only 6.

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Danny (author)Perfect Duck2007-06-08

you will have to include on how to do that in the instructable coz im plannin on buyin 6 thanks

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Perfect Duck (author)Danny2007-06-12

I tried it, and there's a possibility of de-railing. Also, it's already going to be a complicated Instructable. (I'm even showing how to use the classic K'nex motor with the red battery box). I would seriously say have 12 medium-size gears. (old-school config actually requires 11 O.o)

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user

AAHHHHHHHHH!!!! Perfect Duck is arming himself for a massacre!!

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Danny (author)2007-06-08

hahahaha i dont have that many gears i onli have 1 red and 1 yellow unless i by some off ebay then i cud make it

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Perfect Duck (author)2007-06-07
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mmzdaniel (author)Perfect Duck2007-06-08

COOOOOLL! too bad i dont have enough pieces but soon il lhave enough money to buy at least 10 gigantic tubes!

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vince q (author)2007-06-07

this is exciting. i'm going to have to build at least one.

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Danny (author)2007-06-03

hey does it load by a hopper or does it use many barrels?

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mmzdaniel (author)2007-06-03

Oh-My-TicTacs (JK) this looks sooo cooool! please show us some pics!

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Danny (author)2007-06-01
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Mepain (author)2007-05-31

Wow. That looks pretty sweet! I wont bother asking you to post pictures, like I'm sure most people on the site will do.

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oodalumps (author)2007-05-31

Wow... looks very powerful for a machine gun.

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Perfect Duck (author)oodalumps2007-05-31

the firing pins have empty space to speed up in before they strike their projectiles, instead of slowly pushing them out, which acconts for a further boost of power there. People are going to look at it and say it's rediculous huge.

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