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K'nex Haas Rifle Answered

A little sneak-peek of my sniper rifle to come. :)



It is difficult to operate, as it was built for an extreme emphasis on range/power and nothing else.

It can use fin-stabilized dart rods IE KillerK sniper rounds.

When I have the spare time, I'll run tests to see how much range I can get it to go, how accurate it really is, etc.

In the first picture, it is unloaded and not cocked.
In the second picture, it is ready to fire a red rod full-power.
In the third picture, same as second but closer view of the mechanics.

Discussions

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mrbox

11 years ago

How come I never saw this gun ever?

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MI6

11 years ago

www.instructables.com/community/Knex-M1-Garand-or-the-lack-of-them- www.instructables.com/community/WW2-Gunners-Attention-need-your-opinion-again- THESE TWO above are for WW2 enthusiasts especially, but veryone should be interested. www.instructables.com/community/Another-Knex-challenge-even-better-if-youre-a-/ STAR WARS fans or just Knex gunsmiths - this one too Visit and comment if you have the time please :)

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MI6

11 years ago

Doesnt mean you shouldnt post it.

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the dawg

11 years ago

have u posted this?

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smidge147

12 years ago

so perfectduck what makes this gun so powerfull and why is so wierd looking?

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dsman195276smidge147

Reply 11 years ago

i understand the gun. it has to parts that add to the power of the gun. the fireing pin witch has a lot of rubberbands on it. the only reason that the firing pin does not explode is because of the spring asborbes the impace and transfers it to the red rod(aka the projectile). it looks so weard because of the other part, witch is the entire top of the gun. it moves on the grey rods and is pulled foward by a lot of rubberbands. the trigger sets of all of those things at once so the the power of both those things is combined to shoot the red rod and a high speed.

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phlorgan

11 years ago

ok thats kinda confusing but logically it works :)

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Danny

12 years ago

dude bump could you please update the pictures and video?

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Danny

12 years ago

he hows the instructable going along

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Frogotten_One

12 years ago

So this is the most powerfull gun? nice job with it. What is that stuff your shooting into?(how hard is it) I think i got two guns that shoot even more powerfull although I have to rebuild them (I used the parts for other projects like knex generators and motors). (one of the guns kinda cheats since it uses a firework to propel a tiny green pellet extremely fast) I can probably post some pictures on it.

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Danny

12 years ago

hey hows it going perfect duck

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math20

12 years ago

Could you link to the other 2 pics on imageshack or something like that? They are no showing up here.

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Easy Button

12 years ago

can someone join my group its called "best knex guns" please join people

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Mepain

12 years ago

I only see one picture... You said there are three pictures.

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DannyMepain

Reply 12 years ago

to begin with there was 3... he must of took them of

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crestind

12 years ago

1. Does it use a firing pin? 2. Single shot? 3. How does it compare to KILLERK's handgun?

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Perfect Duckcrestind

Reply 12 years ago

1. It uses two stages, both with their own triggers. The first stage involves pulling back an entire gun assembly on rails. The second stage is the typical firing-pin power gun we're all used to. It fires automatically in the middle of the first stage's firing, so that the gun is already moving forward at fast speed as it shoots. 2. Yes. Using a hopper on the second stage would decrease the steps required per shot, but it still must be cocked in two seperate places to fire once. 3. I don't know yet. I'm trying my hardest to make a very powerful gun without copying his method. I could very well have stuck his exact barrel right onto this gun, thus improving on an already powerful design. This Haas Rifle certainly is more complicated to operate, and will always take longer to load between shots.

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Knex Lego ManiacPerfect Duck

Reply 12 years ago

sounds sweet! im also working on a gun that in theory should be far more powerful than any knex gun previously shot im not sure what to call it but it's costing me way 2 much to develope good luck w/ yours i can't wait to c it

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DannyKnex Lego Maniac

Reply 12 years ago

if you cant make it because of lack of knex then share the idea with ppl who have loads of knex for instance mepain now he has tons of it maybe it can come a reality

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Shadow64

12 years ago

If you want to build it just copy off the pictures, i have (with slight alterations)

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bobbyk881

12 years ago

the sound was at least 1 second delayfrom the hit nice gun though

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Danny

12 years ago

hey can you post a pic of the entire gun for us guys?

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DannyPerfect Duck

Reply 12 years ago

thank you very much but isnt that just the red impact without a autoloader

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Perfect DuckDanny

Reply 12 years ago

I suppose on a shallow first observation one would notice they both use large right triangles for structural support, but the similarities end there. It's completely different.

As I explained to Faust, this Haas rifle utilizes the concept of staging. Staging is seen more often in rockets, but the Haas Rifle essentually does the same thing. The end result is a very fast-moving projectile that benefited from the acceleration of both stages.

Quick physics explanation!

Suppose a convertable car is going 50mph down a street, and the passenger, a baseball pitcher, throws a 50mph ball forwards from the already-moving car.

The baseball player sees the street and neighborhood coming toward him at 50mph because that's how fast the car is cruising along, and he sees his baseball moving away from him at 50mph because that's how hard he threw it.

The observer on the far corner of the street standing still sees a car moving 50mph towards him, and a 100mph ball moving towards him.

Think of Haas Rifle's stage 1 as the car and stage 2 as the pitcher.

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knex hater haterPerfect Duck

Reply 12 years ago

oh i get it i think. instead of most snipers wich the bullet comes out fast it comes out slow and speeds up. am i right. im not a big major in physics.

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Perfect Duckknex hater hater

Reply 12 years ago

Take a regular simple K'nex gun and do a few control shots from a standing still position to test its power. Then try shooting that same gun while moving it forward in your hands. Like swinging your arm forward to a punch and firing it in the middle of the thrust as you're already moving it. Does adding your forward movement to the net velocity of gun and projectile increase the power?

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DannyPerfect Duck

Reply 12 years ago

hey thanks although physics is my best subject in science so i already knew that plus science being my best overall subject anyways nice idea your very smart as you show in your comments and instructables i cant w8 for this to be posted and yes on a second look i do see the idea behind it i love it!

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oodalumps

12 years ago

I often toyed with the idea of making a gun that shoots another gun as its projectile (which is stopped before it flies off the end of the main gun) that then shoots the projectile. But I never bothered actually making one, so i'm anxious to see how this gun performs.

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tomonto

12 years ago

it doesnt look like it did anything from point blank. i dont get why thats cool

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Perfect Ducktomonto

Reply 12 years ago

It is impaling a red rod through a pizza box. Notice that after it fires, there's a new rod stuck into it. Today, I got it to do the same thing from 25 feet using a test rod with dart fins added.

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Perfect DuckDanny

Reply 12 years ago

Sorry, I was trying to make the video private from regular YouTube viewers but still make it embeddable. The same thing I did for the motor explanation in the K'nexecutioner's fifth step. Does that video also not work?

Either way, I made this one public now, so you should be able to see for a while before I take it down. (Won't until a better video is released)

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DannyPerfect Duck

Reply 12 years ago

hey ty it works and no u cant see the vids on ur instructable

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Perfect DuckDanny

Reply 12 years ago

It must be because I am the owner. I wish someone told me about this for the K'nexecutioner instructable before >.<

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toulvus

12 years ago

i cant see it either

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Infinnion

12 years ago

Hey I would like to see your vid, but I cannot view it. Try to put it on your account on youtube plz.