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Cheaper bazooka rocket

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    Cheaper bazooka rocket

    The nerf football rockets fly real well... until you bend the tail. Plus theyre expensive

    im gonna run this past the guys at OSG but this is what im planning on using from now on. A bit of EVA foam on a pool noodle. Doesnt fly quite as good as a nerf football but should hold up to a lot of abuse and retain most of its accuracy after being stepped on a few times. No more fins to tear off
    Attached Files

    #2
    If I remember right the tail on the nerf is hollow, why not insert something like macro hose to keep it straight?

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    • markdem
      markdem commented
      Editing a comment
      They have a plastic spine that can bend if mis-treated. And its one of those plastics where once its bent, it looses all rigidity. And theyre glued in pretty good so its impossible to replace without destroying the rocket

    #3
    I went a different direction, and I'm heavily invested with very little return..

    I paid for a mold half design. I 3d print molds which take like 30 hours a half. Then I was making rockets out of a 2 part expanding foam.

    But I get varied results of expansion and hardness no matter how much I try to be finite in my mixtures. I also get air pockets and crap nullifying many of my rockets.. I've got 2 jugs of the foam mixture just waiting for my motivation to return.
    https://www.mcarterbrown.com/forum/b...khaus-feedback

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    • Daltech

      Daltech

      commented
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      Heavily invested. Very little return. 😭

    • Timefreak17
      Timefreak17 commented
      Editing a comment
      What foam are you using? I do the same process with flex foam it 17 and 14 with dual release coating and have had good results

    • BrickHaus

      BrickHaus

      commented
      Editing a comment
      I have flexfoam IT 17. The dual composition rocket you sent me is filled in much nicer than my attempts. But I'm pouring a mold half and clamping in a hurry. Being the main body of the rocket is only half filled at that moment. I don't always get enough expansion to fill the main rocket cavity.

      More commonly the main cavity fills fine, but I end up with one or more " gimp" tail fins as the foam finds the vent hole in the mold rather than expanding into the fin groves.


      I've also failed to use enough release, and or tried to mix the die into the foam as it catalyzes which gave a more violent reaction.


      I've still got one nice usable mold in the basement I should try to get those off of the ground again. The whole idea was to produce myself like 90 rockets at $1.60 each. So I could fire and forget them rather than hunt my 7 dollar rockets down after each shot.

      Now that I've only made like 10 nice rockets, I have some super expensive rockets..

    #4
    I have a prototype some one on here made a few years back, it fly great and is pretty sturdy, but it fly a bit too wel sometimes and fly way out of sight.
    A cheap version that can get lost would be awesome!

    What foam are you using?
    I can cut some on the laser to get proper circle if it helps 😁
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    • markdem
      markdem commented
      Editing a comment
      EVA foam on the front but you could use anything with a bit of weight to it. I plan on making a cookie cutter out of a steel pipe to punch out nice circles. But its also nice to know it works with a janky hack job
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