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  1. A

    Estes advertised vs ThrustCurve.org projected atlitudes

    I have a few different mostly stock built Estes kits. When I plug the info into the thrustcurve website, the projected heights are much less than what Estes advertises. Many times the largest recommended motor by Estes shows to be a fail on thrustcuve because of inadequate speed leaving the...
  2. A

    Scratch built Executioner--ish build questions

    Hello all. I've been lurking here for a bit trying to learn all I can, but this is my first post. I'm currently building a 2.6" diameter rocket with leftover pieces from a previous semi-custom Executioner build. This particular rocket has Executioner fins, a 18" lower tube, a 14.25" stock...
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