Easy Knex Harpoon Rifle

Introduction: Easy Knex Harpoon Rifle

This is my first instructable, a knex harpoon rifle!

(it was takeing a lot of time to upload the photo's.-_-)

Step 1: The Barrel

1 and 2: make some of these, how more, how longer.

3: make 3 of these.

4: make 1 of this one, for the back.

5: make also 1 of this one, this is the handle.

6: connect the parts of 1 and 3 like this.

Step 2: The Tricker

2 and 3: make these

1: connect them

4: side view

Step 3: Connect It All

connect the parts that u make like the images

4: it will look like this.

Step 4: Add the Rubber Bands

now add the rubber bands like the images

3: add a green rod to the rubber band on his place

Step 5: Load and FIRE!!!

finaly, the fun begins

1: pull the rubber band to this point

2: the ammo

3: put the ammo like this

pull the tricker and...FIRE! plz dont shoot in the eyes of someone, it realy hurts!

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    22 Discussions

    0
    stevedude123
    stevedude123

    8 years ago on Introduction

    wow this is an amazing rifle
    lol i accidently bruised myself with it :0
    thanks

    0
    jonny-t
    jonny-t

    8 years ago on Introduction

    Built in less than 1 hour - amazing!
    The best weapon I have ever built - thanks very much.

    0
    hedzup456
    hedzup456

    9 years ago on Step 5

    not a harpoon-no strings attached
    cant pull it back

    0
    harry599
    harry599

    10 years ago on Step 5

    VERY VERY VERY powerful, shot myself in the hand with it and it realy realy hurt, it even drew blood!!

    very good gun,

    Harry,

    0
    Kris007
    Kris007

    11 years ago on Introduction

    Gun looks cool, I'm gonna shoot some of the whales in my basement now

    0
    bannana inventor
    bannana inventor

    Reply 12 years ago on Introduction

    It's a long sharp metal rod that they use to kill whales and stuff.

    0
    bannana inventor
    bannana inventor

    Reply 12 years ago on Introduction

    No, they were designed to take down whales. However if you look at the big picture whales do seem kind of big. lol :D

    0
    Daniel662000
    Daniel662000

    12 years ago on Introduction

    Good first instructable, you should try to build a really cool airplane i don't think one has been done before.

    0
    smidge147
    smidge147

    Reply 12 years ago on Introduction

    dude stop advertising on other people instructables.

    0
    bannana inventor
    bannana inventor

    Reply 12 years ago on Introduction

    This isn't my gun!!! Well actualy it's a jet but it's not mine anyway. Daniel662000 was asking if there was a knex plane so I showed him this plane I saw.