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  1. Thunder Chicken

    News Changes to the SpaceX BFR rocket.

    I mentally heard Randal Monroe say "If the inside of your rocket is on the outside you will not be going to space today."
  2. Thunder Chicken

    News Changes to the SpaceX BFR rocket.

    So they have this precarious pile of wreckage a couple hundred feet tall just sitting there. Rigging that down in a safe manner is going to be a challenge.
  3. Thunder Chicken

    Internet Video Thread

    GWAR supporting public media:
  4. Thunder Chicken

    Question "Spool up" an animation

    This is more or less what I did in my helicopter code, though I don't use the simulation time step. The main throttle input specifies the target_speed of the rotor, and the rotor speed is set by something like: animation_speed = animation_speed + constant * (target_speed - animation_speed)...
  5. Thunder Chicken

    News NASA's Future: The News and Updates Thread

    Having prime government contractors less emotionally mature than your average 5-year-old also isn't anything to crow about either.
  6. Thunder Chicken

    Updates Artemis Program Updates & Discussions

    I thought HLS was just supposed to shuttle astronauts between the lunar gateway and the lunar surface? To Bergman's point, why in the world do they need to drag Raptors, tanks, and related structures up and down from lunar orbit when they are only needed to get it to the moon? What a mess of...
  7. Thunder Chicken

    Updates Artemis Program Updates & Discussions

    Uhh...won't they need Raptors to get back off the moon? I am not following HLS too closely as I think the odds of seeing it fly are about zilch, but I if we're still entertaining the fantasy I hope we're just as committed to getting boots back from the moon as we are getting them there.
  8. Thunder Chicken

    News Changes to the SpaceX BFR rocket.

    The imagery coming from these missions is just amazing. We have cameras through all phases of orbital flight now. I remember when reentry plasma blackout was a thing and video cameras were too cumbersome to use during reentry.
  9. Thunder Chicken

    News Changes to the SpaceX BFR rocket.

    I'm not sure what people are seeing as tank burn-through and fire on the forward portion of the Starship. I'm seeing venting gases, but no fire. I do see the flames from the aft skirt, but that's probably a busted line. A tank burn through would cause major loss of pressure and it certainly...
  10. Thunder Chicken

    News Changes to the SpaceX BFR rocket.

    That camera dinghy needs some work.
  11. Thunder Chicken

    News Changes to the SpaceX BFR rocket.

    Some TPS material peeled up.
  12. Thunder Chicken

    News Changes to the SpaceX BFR rocket.

    Plasma coming up.
  13. Thunder Chicken

    News Changes to the SpaceX BFR rocket.

    So no booster catch this flight, similar Starship re-entry into Indian Ocean as before? Hopefully without as much stainless steel phase change?
  14. Thunder Chicken

    News Roscosmos News

    Hey, if it pays the bills:
  15. Thunder Chicken

    Ignoring throttle level control of main engines (Lua)

    You could do what I do in my air-breathing engine models and make a dummy thruster group that takes the main engine throttle, and make another thruster that actually delivers the thrust: th_dummy = vi:create_thruster({pos=rudder_pivot, dir={x=0, y=0, z=1}, maxth0=1, hprop=main_fuel_tank...
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