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  1. SaturnV_

    Help me decide what to do.

    So 98mm Os are no joke. You need at least a 9 grain for it to be an O with normal propellants. And that's assuming you pack well. If you go with, say, an 8 grain with something normal like NASSA Red you need the delivered Isp to be something about 240. And let's face it, none of our propellants...
  2. SaturnV_

    Rules that Prohibit Propulsive Landing of Rocket or Lander?

    You have to go to your settings and set your signature.
  3. SaturnV_

    Split fin designs

    Can confirm whistling and the joy of doubling the amount of fillets...
  4. SaturnV_

    6" Gemini Titan Build

    Subscribed
  5. SaturnV_

    4" Darkstar questions

    Ah, good to know. Thanks!
  6. SaturnV_

    4" Darkstar questions

    Got it. Thanks so much!
  7. SaturnV_

    4" Darkstar questions

    Hey, So after losing my 2.1" Darkstar, I'm gonna start building the 4" Darkstar. I have a few questions regarding it that I hope you guys could help me with. What diameter parachute should I go with? I would do a sim first, but I'd rather buy everything at once to pay for shipping once. What...
  8. SaturnV_

    Show us your 3D prints.

    My fin-o-cyl mandrel for 38mm grains
  9. SaturnV_

    Eggfinder LCD displays black bars

    Holy cow it worked! Thanks so much!
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