Introduction: K'nex Fully Automatic Burst Rifle: the K-2 V.2
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About: Sometimes it takes a man to push beyond what he thinks is possible before he realizes that possibility is a mere conception of the mind. Once that barrier is broken, the mind is no longer a hindrance, but his…
An improvement on my second in a series of new and innovative concept guns, the K-2 v.2 is very much unlike any other K'nex gun out there. I utilizes a new "two-stage" pump that only activates the rifle's hammer when it is being pushed, and deactivates when the user is resetting the pump.
The new pump was originally designed to rotate a cog, however until recently, a cog with the right diameter to fit in with the teeth of the pump had been eluding me, and so this rifle works with the pump in direct contact with the hammer. I intend to continue work on a v.3 that will utilize a traditional pump as opposed to a handle pump, and my hopes are that in doing so I will be able to make the gun more compact and more efficient.
The difference between the v.1 and the v.2 is merely the hammer, but a large part of the gun had to be altered as well to accommodate the hammer. The original hammer extended a mere 3cm from its axis of rotation, limiting the distance it had to accelerate. This hammer also had the design flaw of being at an angle, directing a lot of its force down rather than straight into the projectile. The new hammer extends 6cm from the axis of rotation, doubling the distance it has to accelerate, and also contacts the projectile straight-on, ensuring that all of its force is being transferred to the projectile.
So, back to English. I've put a lot of effort into this project over the past week or so and I feel that this is a very high performance gun. Although the mechanism has still not been used to its full potential, it is definitely a post-worthy gun and instructions are on their way.
*UPDATE* Instructions for this gun can be found here:
https://www.instructables.com/id/Knex-Slamfire-Burst-Rifle-The-K2-v2/-Kinetic
Without any further ado, say hello to the K-2 v.2:
The new pump was originally designed to rotate a cog, however until recently, a cog with the right diameter to fit in with the teeth of the pump had been eluding me, and so this rifle works with the pump in direct contact with the hammer. I intend to continue work on a v.3 that will utilize a traditional pump as opposed to a handle pump, and my hopes are that in doing so I will be able to make the gun more compact and more efficient.
The difference between the v.1 and the v.2 is merely the hammer, but a large part of the gun had to be altered as well to accommodate the hammer. The original hammer extended a mere 3cm from its axis of rotation, limiting the distance it had to accelerate. This hammer also had the design flaw of being at an angle, directing a lot of its force down rather than straight into the projectile. The new hammer extends 6cm from the axis of rotation, doubling the distance it has to accelerate, and also contacts the projectile straight-on, ensuring that all of its force is being transferred to the projectile.
So, back to English. I've put a lot of effort into this project over the past week or so and I feel that this is a very high performance gun. Although the mechanism has still not been used to its full potential, it is definitely a post-worthy gun and instructions are on their way.
*UPDATE* Instructions for this gun can be found here:
https://www.instructables.com/id/Knex-Slamfire-Burst-Rifle-The-K2-v2/-Kinetic
Without any further ado, say hello to the K-2 v.2:
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63 Comments
8 years ago on Introduction
" The new hammer extends 6cm from the axis of rotation, doubling the distance it has to accelerate, "
Isn't it, in that case, quadrupling the distance it has to accelerate?
9 years ago on Introduction
that is a awsome gun !
9 years ago on Introduction
hi guys great gun looks awesome can you please look at my first one too though i would really appreaciate
9 years ago on Introduction
hay if you guys like guns look at mine
Reply 9 years ago on Introduction
Only if it was ''yours''. You posted The Dunkis' BAW, claimed it was yours, and didn't give any credtis.
9 years ago on Introduction
It's an awesome gun. Nuff said.
Reply 9 years ago on Introduction
Thanks a ton man! I just hope someone might be able to improve upon the concept sometime.
Reply 9 years ago on Introduction
Umm... Please don't look at me, I can't do it yet! =(
Reply 9 years ago on Introduction
Sure you can!
Reply 9 years ago on Introduction
First I'll need to get some more peices!
9 years ago on Introduction
what is the name of the song in the beging
Reply 9 years ago on Introduction
It's called Strange Clouds. And yeah I'll make sure to check out your stuff!
Btw thanks for the sub!
10 years ago on Introduction
*UPDATE* All pictures have been taken. Instructions will be posted in segments throughout this weekend until the whole gun is posted.
10 years ago on Introduction
I've said this before but I think this is an amazing build. Definitely the best gun of 2012 in my opinion.
Reply 10 years ago on Introduction
Thanks a ton man. Instructions will be up sometime this week along with photos of a cool mechanism I've been experimenting with. As good as this gun is, I really hope the community can improve upon it because I think it even more potential.
Reply 10 years ago on Introduction
*it has even more potential.
10 years ago on Introduction
by deffinition a automatic is a semiauto gun that shoots pistol rounds XD
10 years ago on Introduction
Sorry for being trolly but I can not say this is full automatic
Reply 10 years ago on Introduction
Hmmm...I was waiting for someone to say that...would you consider a m4's 3 round burst as automatic fire?
Reply 10 years ago on Introduction
I suppose. I see it actually as a semi automatic rifle with 4 triggers:) If I counted right..