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Machine Guns

This forum is meant for WW2 Knex Machine guns. Talk about your guns or just post them! Share ideas too!

Topic by dynno97    |  last reply


machine gun

Ok i have this book its the Military small arms encyclopedia for 1900-2000 of military small arm guns. In this book i was looking at the machine gun section and looked at one its a Skoda M1909 belt fed machine gun mounted on a tripod, and has a frontal shield protecting the operator. Im working on a design for it right now, although i am quite short of pieces because i need to make the cooling canister and the body, then the tripod. Then ill need a shitload of pieces for the belt

Topic by ClemensY290  


RSMG (Red's Sub-Machine Gun)

Well, I recently built this mag loaded SMG, but it is technically just a short version of Blue Mullet's RGMP. Tell me what you think... Pros: 40 ft. range Comfortable Cool looking Making an extended mag would be easy Fore-gripis included Is a fantastic gun for a push trigger (a gun where the FP pushes the bullet against the trigger) True trigger Cons: Handle is only comfortable when the mag is inserted Bullets only work well when a broken rod tip is inserted Could use a stock

Topic by The Red Book of Westmarch    |  last reply


im making a knex tommy gun can someone help me make a pistol forgrip for it im having trouble getting the shape right?

im using rails for the barrel which are a yellow semicircular connector, an orange 2 side connector and the yellow semicircular connector again on the other side, please help...thanks

Question by Hephestus    |  last reply


knex machine gun?

Right, so after i saw the video for the cyclone by perfect duck, i decided to make a machine gun with the highest ROF ever. but i was wondering what mechanism it should use? because i am posting ibles for it when it is finished i dont really want to make 80 ft long chains. so what should i do?

Question by Fred the evil puppet    |  last reply


Machine Gun Concepts

This is for posting pictures of Non-Chain-Fed machine guns that anyone has thought of, and to discuss the designs. So far Oodalumps' is the only one who has created a Non-Chain-Fed machine gun, which is good, but the ammo is fired vertically, reducing range and power. The other type of Non-Chain-Fed machine gun is the Gatling gun, but it has a low magazine capacity. Perfect Duck's machine gun was almost perfect (could you post some pics if you rebuild it?), except that it was bulky. Below is a picture of a gun I am working on.

Topic by Whaleman    |  last reply


Full Auto M1A1 Thompson Sub Machine Gun

Well this is a little something I put together mainly for show, but also for my grandfather who wanted a full auto tommy gun! Ever since knex war 2013 he thought the Mepain's shotgun turret was a tommy gun and he thought if he got it working correctly it would be full auto and mow everyone down! Little did he know, even due to my best attempts at explaining what it is, how it works, what knex guns are actually capable of doing as of this year, he still full out believed that the tommy gun would destroy everyone. Well now his grandson has built a full auto M1A1 Thompson for show and tell this year, and even though it's very war pratical or strategic at any war scenario, it does show how far we really are from full auto weapons. Although we're an innovative a we will figure it out... eventually. So let's keep up the good work and keep innovating!                                     Now, let me quickly tell you how it works. It's priamarily based of King Louis XIV's full auto mechanism, which is also used in KILLERK's current project DAM. So my version is more closely related to DAM because it's trap based mechanism, you pull the trigger and a little arm pushes a gray connector out of the way, the hatch opens and gray connectors come flying out at a range of about 20 feet. So nothing new or super innovative, just another spray and pray weapon.            Special thanks to Zombiekiller for making the ible for the body, without it I wouldn't have been able to pull of such a good looking Thompson, mainly because I am not a replica maker. Zombiekiller makes a lot of great replicas just waiting to be made into shooting knex guns so I highly recommend checking out his ibles if you haven't already.              Alright thanks for checking out this forum! feel free to leave your thoughts and opinions in the comments below!    JonnyBGood

Topic by JonnyBGood    |  last reply


BALLMACHINEARIFICOUS, Sub-Preview

This is the frame of my new ball machine, BALLMACHINEARIFICOUS ( Credit go's to  seliziona for the name) It will have 8 paths, its 3 1/2 - 4 FT tall. So yeah........ AXIYS OUT!

Topic by Jesus.    |  last reply


Knex Machine

This is a knex gun i made and i need some advice on which i should post it or not. Please Comment...

Topic by Antony    |  last reply


Knex Machine

This is a knex gun i made and i need some advice on which i should post it or not. Please Comment...

Topic by Antony    |  last reply


New knex machine gun

I've just had a really good idea, First make a shotgun, Preferably J5 barracade shotgun (I think it's called that) Mainly because that's the gun I built and got the idea from, Right when you've built the shot gun on the pump add a motor to pull it back, when it's pulled right back make it let go, like the rack and pinion. Now if you pull the trigger, it will fire, but if you take your finger of the trigger then it won't fire. This way unlike other machine guns I've seen where you put the motor on and you can't stop it unless you turn off the motor. This way will help conserve your bullets, also if you use the barricade shotgun, you will have to make a magazine on it, because it uses shells.

Topic by CrazyCHRIS!!    |  last reply


Knex Controllable Machine Gun

This is where all future models of our machine gun will be posted. This is a project of a collaboration between me and theawesomestdude. We hope you enjoy. Suggestions and help and models and feedback are welcome.

Topic by myOmy    |  last reply


Wimshurst Machine + Coil Gun = ?

I recently participated in my school's science fair. My project was about magnetic pulse accelerators(coil guns). I have been thinking about making a Wimshurst machine. Could I attach it to the coil of wire to get a very impressive result?

Topic by H20    |  last reply


knex guns?

I am now on youtube and i am wondering what guns i should star in my vidoes so far i have  K'NEX Halo 3 Spartan Laser Knex Pistol, with a NEW! firing mechanism, a Hammer knex slide action pistol my knex bren (instuctions for mark 2) if you have any sugestions paste a link as your awncer and sub to me =on youtube name knexinventer sory no picks on bren gun

Question by knexinventer    |  last reply


lets make a machine gun

Any ideas for a machine gun with a motor like this one

Topic by ropple07    |  last reply


Coil Gun

Hello! I have a question. I have been looking at making a Coil gun lately and i had an idea for a simple one. Just need to know if it would work. Basically: Battery-->Switch-->Diode-->Transformer-->Coil For my Coil I am using a coil from a Pinball Machine Flipper. Just An Idea for makers of a coil gun.

Topic by BionicB    |  last reply


knex gun ideas

Does anyone have any good knex gun ideas?

Topic by poptart64    |  last reply


What gun should I make next? Answered

I want to make an assault rifle or sub machine gun that many people want. I don't want the gun to be a popular one. Please help.

Question by gtrain    |  last reply


Full auto mechinism

I have been trying to make a full auto turret that shoots yellow rods and so far it has been going so so. So I have been wandering if anyone knows a way that would work to make a full auto firing pin or mechanism or something that is full auto and shoots over 25 feet. I don't mind modifying it but the idea would be nice. Credit will be given where credit is deserved. The size does not matter though either because I am trying to make a big turret.

Topic by codemaster2590    |  last reply


On an average sized knex SMG, would you rather it be three layers or five layers? Answered

On a knex smg about the size of a mp5k, do think it is more practical for war to have it be three layers or five?

Question by Torpe    |  last reply


What would be a good machine gun that wouldn't need a lot of pieces?

Any ideas or instructables for an inexpensive machine gun?

Topic by wdelisle    |  last reply


Suggestions for a gun I should make?

Hey there. Can anyone suggest ideas for a knex gun I should make, any suggestions would be greatly appreciated and if you could post a picture of the gun you want me to make along with your comment that would be great. Thanks, Knexspecialist

Topic by Knexspecialist    |  last reply


propane machine gun simulator help

I like to make a small propane machine gun simulator, the kind they use in movies. I need to know how to make the firing circuit board, what type of solenoid's I can use & what type of ignition coil & spark plug to ignite the gas. Put it simply, I need a DIY on How to build an oxygen propane machine gun simulator.

Topic by elkaddalek    |  last reply


new knex machine gun ideas

I have a request for a knex machine gun that works sort of like a real machine gun. The bullets (barrels on the chain) fire and when the ammo leaves the barrel, something happens to move the chan around. Any suggestions? Maybe someone could try this and build a whole new class of machine guns!

Topic by The Jamalam    |  last reply


Are machine guns allowed in knex war? Answered

Please tell me for a best answer

Question by Mr. Muggle    |  last reply


How to Cook Bacon with a Machine Gun

FINALLY! Now you can stay nourished while you're out shooting rounds.  And what does a machine gunnist crave more than bacon, right? See it all here

Topic by scoochmaroo    |  last reply


Another new k'nex machine gun

I have just had a really good idea for a semi or full auto gun, although I do have a tendency to make weird guns but by all means try to make this one.Right here goes,You have arms 'thing that holds string' attached to the barrel by a hinge, there is a spring or rubber band underneath, when you pull the trigger the arms let go of something that keeps them back, the spring (or rubber band) will fling up making the string taught, which pushes the firing pin. The arms also push forward the slides on rails, they hit the springs at the left side and rebound with enough force to push the arms back down, then repeat.Pro's-It's quite compact-I'm thinking it might be powerful-It's new-and if someone makes the mech I�ll put it in an L85A2.Con's-Hard to make-Brain-bogglingly difficult to understand (just think about it a few hundred times and that's me!)I hope the drawing's detailed enough, sorry bout no pics of the real thing (I'm not very good at fixing things together).Hope someone makes this.Bye =DIf you don't understand or are just wondering bout something just post a comment.

Topic by CrazyCHRIS!!    |  last reply


KNEX TANK with a mg with no chain.

My tankit has a mg. and uses no chain peaces. the only exotic peace it uses is a orange gear. like a yellow gear it has the pegs sicking out of it but only has half the pegs. it can be made by cutting off half the pegs if you want. not very power full but that is because i am using a clasic motor. the motor has to pull bach the ram so to much rubberbands and the motor can not pull bach the ram. if made with a beter motor it could be stronger.o and the last picture is of all my knex guns :)

Topic by dsman195276    |  last reply


K'NEX Guns or K'NEX Ball Machines? You Decide.

Which is more popular on Instructables.com: K'NEX guns, or K'NEX ball machines? Please post your opinions below. (Note: Credit for the ball machine picture goes to sandroknexmaster, and partial credit goes to dr. richtofen for the gun)

Topic by The Knex Inventor    |  last reply


Paper model gun preview!

Ok, in this topic, i will post some pictures of the instructable that is coming.. making a paper model gun!IT IS HERE!

Topic by holeman666    |  last reply


chain gun trigger system

I am sooo tired of stupid mg's that only work when you turn the motor on.so, i've made a trigger system which works like this: first you load a chain into the gun. second, you turn the motor on. third you squeeze the trigger.bang bang bang aaaaaaawwwwwwwwweeeessssssssoooooommmmmmeeeeeee!!!!!!!!!!!!!no pics yet, will be be soon though

Topic by ultimachris    |  last reply


how would you make a gatling gun out of knex? Answered

I was experimenting and i made a 8 barrel turret for a machine gun and i wanted to know if the are any more ways that you can fit more on than just 8?and also i would be great if you had a image.

Question by bigdylan91    |  last reply


Ideas from the center of the universe #1: LED throwie machine gun

NOTE: This is so old, that I don't care anymore. If you do, be my guest to change the rules.Ideas from the center of the universe: Any challenging idea that comes into my weird, weird cranium. (I am not purposely saying that I am at the center of the universe; the title is based off of another crazy idea that I once had.)Okay, I just thought of the perfect challenge: a gun that will launch/fling LED throwies at high intervals, at least 5 per second to make it easy. The throwies can be of any size, as can the launcher. Distance limit is 50 feet horizontal.I might think of a prize later on, but I currently do not have any sponsors.Any discussion whatsoever will happen in the comments on this topic. Links to instructables are required if you have found a solution.Well, get started!YP

Topic by YummyPancakes    |  last reply


another full auto machine gun mechanism

Right this is just the mech of the machine gun you will have to make the mag/clip/barrel/everything.You may have seen this already on the comment on https://www.instructables.com/id/8-SHOT-KNEX-HAND-GUN-REVOLVER/?&sort;=NEWEST&limit;=50&offset;=50The comment with it was posted May 7, 2008. 12:25 PM.Basicaly the hammer is attached to a small cog, a motor or handle is attached to a cog with only 4 teeth(on each half) the 4 teeth will crank the hammer back then when it runs out of teeth it will snap back, it actually works(I would have posted but my sister destroyed it D= ) te only problem I had was the mag, I attempted to build a box mag, oh and the fact you need a metal rod for the handle/motor and for the hammer with gear on(I lost 3 red rods because it just twisted the hell out of them, it was impossible to use them again)So you can only make it with some sort of renforced rod, but overall it actually works.this is just a small step by step type thingStep 1sand down 3/4 of a small cog.Step 2to speed up rate of fire add speed up gears (optional)Step 3make hammer, lock canibalised cog onto a rod with hammerStep 4connect it to speed up gear/sStep 5add elastic band to hammerStep 6add mag, clip or belt. note: if you make belt the add timmed gears to the speed up gear.

Topic by CrazyCHRIS!!    |  last reply


knex ball machine contest

A knex ball machine contest. there will be 3 types of ball machines there is smallest ball machine,  most ball machine elements,   and biggest ball machine.  submit an instructable and i will anounce the winners. when we have enough knexers submit thier instructables. the 3 winners will get a sub from me;)    

Topic by cupcake43    |  last reply


The Best K'nex Guns Answered

This is an update to my previous question. I have found what I think is a good gun for all the types of guns. Ths is for my Knex War I'm having. I can't find a good rating real bolt action gun. Could someone please find one for me? Also, if there are any types of guns I'm missing, please tell me. Also, check out the guns that have the link and tell me which guns are not good or if there is a better gun for that type than the gun I chose. shotgun: Break Action Shotgun https://www.instructables.com/id/Knex-Break-Action-Shotgun/ pistol: Oblivitus' Beast Pistol https://www.instructables.com/id/Oblivitus_Beast_Pistol/ rifle: The Bolt https://www.instructables.com/id/Striker-Pro-assaultsniper/ machine gun: Machine Gun https://www.instructables.com/id/knex-machine-gun_2/ slingshot: Arrow Slingshot https://www.instructables.com/id/Materials_1/ crossbow: Reaper Crossbow https://www.instructables.com/id/Reaper-Crossbow/ sidearm: Sidearm RSN-33 https://www.instructables.com/id/knex-sidearm-RSN-33/ assault: Assault Rifle https://www.instructables.com/id/knex_assault_rifle_2/ semi-auto: Truly Semi-Automatic Gun https://www.instructables.com/id/Truly-semi-automatic-knex-gun/ pump action: Pump Action Rifle https://www.instructables.com/id/K_nex-pump-action-rifle-code%3aOSNJCKMA2/ lever action: Lever Action Rifle www.instructables.com/id/Lever-Action-Rifle/ bolt action: AR-4 Commando v3 https://www.instructables.com/id/AR-4-Commando-v3/ turret gun: TR18 https://www.instructables.com/id/TR18/ cannon: Heavy Cannon https://www.instructables.com/id/Knex-Heavy-Cannon/ bazooka: A.D.U Bazooka https://www.instructables.com/id/ADU_Bazooka_1040_Armor_Demelition_Unit/ pocket gun: Pocket Gun https://www.instructables.com/id/KNEX-POCKET-GUN/

Question by Danielzxzx1    |  last reply


I need a super easy chain fed knex machine gun?

I need super easy to read & construct knex chain fed machine gun asap!

Question by super knex builder    |  last reply


Best K'nex Gun Answered

PLEASE READ FIRST!!! I don't want to know what the best knex gun ever is, I would like to know the best knex gun for each section: Shotgun, Pistol, Rifle, Machine Gun, Slingshot, Crossbow, Sidearm, Assault Gun, Semi-auto, Pump Action, etc... Any section of guns that I did not list, add them. Please give links if you can. If you can't, just give the name.

Question by Danielzxzx1    |  last reply


What do you think this gun looks like????

Does this knex gun look like any real gun???? What do you think????

Question by K-Dawg    |  last reply



How to I make a K'nex Machine Gun? Answered

I am planning to make a machine gun as my first gun, but i cannot get the ram correct, to make the gears which force the rod to pull back and then release forward. Can anyone please show me an example, I'm happy to give you credit in my instructable soon.

Question by knex_mepalm    |  last reply


Knex Ball Machine - Splat

This is a small ball machine that I made while I was sitting in my bedroom thinking about my childhood. I was origionally going to post it, but it didn't quite turn out the way I intended. Its small, and is fun to show to guests and whatnot.For those wondering about the name, me and my buddy had just finished editing the video. I realised that I needed a name for it, and just that moment my buddy's bird puked on my head, making a splat sort of sound. Presto, the name splat.Since the video wasn't going to be anything special, I put it to ragtime music and aged it accordingly. Hope you like it!IaC EditI've counted the pieces. Just for the heck of it, I'll run a little contest to see who can guess closest to the real number. The prize is a virtual high five and cookie. Closes on Friday.Updated - Winners!The correct answer is... (drum roll)... 1749! This means that cj81499 is the clear winner, being off by only 14 pieces! Good job, and congratulations! Thanks for guessing everyone.

Topic by I_am_Canadian    |  last reply


my new knex creation... the destroyer machine gun!!

My newest creation... the distroyer. the gun lives up the the name. it is a 36-shot machine gun. you could also call it a gatling gun. it is compleately my creation. i am thinking about posting instructions but i do not have lots of time to do it. also it is a very big gun. most people will not have the peaces to make it anyway. it uses ruffly 680 peaces. it moves fast. it can shoot all 36 shots in + or - 5 seconds. also this verson of the gun is a bit rofe. before i even think about instructions it will need some moding.

Topic by dsman195276    |  last reply


What is the best knex ball lift without chain?

It needs to lift about 6-7 feet. Thanks!!

Question by dt1234567100    |  last reply


Which is More Popular; K'NEX Guns or K'NEX Ball Machines?

Instructables K'NEX Community, In your opinion, which is more popular on Instructables; K'NEX guns or K'NEX Ball Machines? Please post your answer below. Thanks!, -The Knex Inventor

Question by The Knex Inventor    |  last reply


Which Knex Ball Machine Is The Best? Answered

Choose Between: Project Nano- 1 Duex- 2 Project S- 3 Lithium- 4 IMMEUBLE- 5 Project N- 6 Chaos Ball Machine- 7 Project Dos- 8 Uno- 9 Project Micro- 10 Relentless- 11 Just write the number as your answer, in 1 week, i will see whos Ball Machine is the best !!!

Question by Hiyadudez    |  last reply


Can there be a knex gun that is auto without a motor?

I searched almost every machine guns on 'ibles, and it all includes a motor. Not that I have a motor, but can there be a full-auto knex gun without a motor? Like a cam action?

Question by Dashadower    |  last reply


Knex ball machine lift? Answered

Hey guys,Does anyone have the instruction pamphlet for the ball machine with the lift featured in this video?http://www.youtube.com/watch?v=sBDdXyaFQEgIf would would, please let me know, I need a peek at a page or two.Thanks!IaC

Question by I_am_Canadian    |  last reply


Does anyone know of a good knex machine gun that fires rods rapidly and uses relatively few pieces to build? Answered

 Most of the automatic guns on site either fire rubber bands, need cocking before each shot, or take more pieces than I have. Do any of you have even ideas for something like this? If not, I guess I have something to work on!

Question by MechanicalCreationMaster    |  last reply


how to make a moving piece that will move both ways with one crank?

Im going to make this knex thing, basically an automatic knex gun, where there is a cross bow like thing at the front, and a slide has a catch that will get the bow, and when it gos backward far enough, an arrow will automatically load, and the catch ill go down, so te rubber band will snap back, and shoot the arrow.  i can put a pic in the comments. anyways, what i need, is a way to make the slide go back and forth, but only spinning the crank one way.

Question by the poodleo    |  last reply