Easy Knex Harpoon Rifle

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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

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    stevedude123

    6 years ago on Introduction

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

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    jonny-t

    6 years ago on Introduction

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

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    hedzup456

    7 years ago on Step 5

    not a harpoon-no strings attached
    cant pull it back

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    harry599

    8 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,

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    Daniel662000

    10 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.

    3 replies

    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.