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drasnor Icrontian

About

Username
drasnor
Location
Hawthorne, CA
Joined
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Birthday
April 13, 1984
Location
Hawthorne, CA
Twitter
@drasnor
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drasnor
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drasnor
Occupation
Rocket Scientist
  • Re: Trying to Reason with Hurricane Season 2017 edition

    We're going to try to move all our valuables to orbit tomorrow morning before the hurricane gets here; safest place we could find in a hurry. Wish us luck.
    https://spaceflightnow.com/2017/09/06/spacex-readies-rocket-to-launch-military-spaceplane-into-orbit/

    CBGnomeQueenMt_Goat
  • Re: The "Submitted without Comment" thread

    Mt_GoatMassalinie
  • Re: Movie Classics/Must see

    In addition to the above, in random order:

    • History of the World, Pt 1
    • Spaceballs
    • Innerspace
    • Explorers
    • Abyss
    • Die Hard 1 & 2
    • National Lampoon's Vacation, Christmas Vacation, & European Vacation
    • Terminator 2
    • V for Vendetta
    • Fight Club
    • Snatch
    • Das Boot
    • Pulp Fiction
    • Demolition Man
    • A Beautiful Mind
    • All Miyazaki films
    • Seven Samurai
    • The Cowboys
    StackDontCallMeKelsoKwitko
  • Re: Kerbal Space Program

    @RyanFodder noted after we finished up that I had no trouble controlling my vehicles while docking on RCS and not losing my bearings. A lot of that is practice but there's some stuff you can do to improve your play:

    • Ensure any RCS jets you place are equally spaced about your vehicle's center of gravity. There's a button in the hangar/assembly building that shows vehicle center of gravity like so:

      The advantage of doing this is that it decouples translation from rotation such that using the H-N, I-K, J-L translation controls don't impart rotational forces though it's possible to meet this with asymmetric arrangements if you balance things such that the force multiplied by the lever arm (distance to CG) is equal.

    • Even if you don't have balanced RCS jets, using the "hold attitude" autopilot mode will fire additional jets to cancel rotational moments whenever translation is commanded. You saw me using this feature anytime I was flying the small capsule by itself as it doesn't have balanced RCS.

    • Most folks build symmetric spacecraft such that it might be difficult to tell which way is which at a glance. I add navigation lights to solve this issue. The international standard convention is green on the "right" side, red on the "left" side, like so:

    • I put a cross pattern of lamps around my spacecraft docking ports both to provide an alignment aid to get that nice right-angle orientation as well as to aid finding the port in the dark.

    • Right clicking on a docking port and selecting "Set this docking port as target" will let you get relative positioning from your spacecraft control point to that docking port.
    • While you can set your spacecraft control point to any docking port on it, I find that this can make things more challenging as it rotates the control axes to something other than the default vehicle axes. I prefer to locate my docking ports in fore/aft locations for my chaser spacecraft such that I don't have to move the control point or rotate the axis system. If you're slow and careful, you can eyeball docking port alignment for side-mounted docking ports without needing to change the control point.
    primesuspectRyanFodder
  • Re: Kerbal Space Program

    I've attached the environment for the EPIC 2017 tutorial; simply extract it to your KSP directory and have fun!

    BobbyDigiprimesuspect