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Picture of Truly Semi Auto
I've scoured Instructables.com, trying to find a K'nex gun that is truly semi automatic (and shoots more than 6 feet). My search came up with nothing. By truly semi auto, I mean a gun that doesn't have to be pumped stretched. bolted, or have a ram pulled back. I give you... my revolution to K'nex guns. (Actually I have A sniper rifle that uses the same principle and has special ammo. It shoots four types of ammo, but the special kind I've never seen from a gun of its class. Plus, it looks totally kickass). DISCLAIMER: I had some trouble uploading the pictures for this instructable, so it may get a little confusing. If you succeed in building it, or not, because of technical errors, DON'T FORGET TO RATE 5 STARS!!!

Peace out.

Step 1: Barrel

Picture of Barrel
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Elephants are fun! :D
 
Actually no. The knex WASP is semi automatic and is way better than this in design. What you've done is just created another pseudo semi auto.
X Files (author)  Raz1r Knex Bull3t4 years ago
i've heard that already, two comments up. i wont repeat myself.
I was the second commenter on the whole ible. Your first comment was from someone you didn't realize you just created another pseudo-semi auto. Then I stepped in.
+1
+2
Thanks, lol.
no prob
Lol, thanks.
This is very creative/innovative and looks like a good gun, but I just scanned through the steps for the system, and it's good.
How long did this take you to build?
X Files (author) 4 years ago
I WOULD LIKE TO KNOW WHO FLAGGED WENEEDMORECHEESE'S COMMENTS. JUST TO PUT IT OUT THERE, THEY REALLY JUST WANT TO BE A JERK.
I deleted them myself in face of further unwanted criticism.

http://www.howtonotsuck.com/viewarticle.php?id=76
TY DJ, I now know that criticism should be used to mould your next project better.

Many thanks!
You know, he could've removed it himself.
Sorry but this isn't semi auto. And it isn't a first. But I encourage you to keep coming up with ideas.
X Files (author)  Killer~SafeCracker4 years ago
hmmm... i would like to know how this is NOT semi auto. every time you pull the trigger, it fires a shot. great deduction there, safecracker.
The fact that yo have to load a rubber band for each shot makes it not semi auto. A true semi auto would mean you could use just one band and fire one shot per trigger pull and empty the whole mag that way. Your gun is limited to the number of bands you put on.
Great deduction there, SafeCracker.
oodalumps4 years ago
This type of gun has existed for a long time. It is called a "pseudo semi-auto" (not a true semi-auto). They are just multiple slingshots compacted into one gun.
"doesn't have to be pumped stretched. bolted, or have a ram pulled back" isn't true. You need to "stretch" a band for every shot; the same as reloading multiple single-shot guns.
X Files (author)  oodalumps4 years ago
that's true, but the idea was that after pulling the trigger, the gun is immediately ready to fire again.
The WASP also doesn't use this system, it's actually the first semi-automatic gun that's war worthy.
Torpe4 years ago
Masterdude made the MAR-3 that is semi auto and very good. But this is also a good gun, just not the 1st semi auto. Good job.
Its alright, but it isnt instructables' first truly semi automatic gun.