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GarrisonChisholm

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About GarrisonChisholm

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    Spacecraft Engineer

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  • Location
    Chicago
  • Interests
    Science, Singing, Adventure, Peace

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  1. I built a space plane and when it was deployed to the tarmac an oscillation left and right began. Which amplified. With or without SAS. Until it shook itself off the runway and started shedding parts. Fun.
  2. I have a glorified word-processor I bought 2 years ago for $400 new out of the box. It has a 2 gig AMD A8 processor and only 2 gig of ram, and no dedicated graphics card. A large complex rocket can give me 2-3 fps at launch and it can take over an hour to get to orbit, and i STILL have fun. The fun of this game is in the engineering and deployment-to-use, so lower frame rates become (I believe) more tolerable. Though mind you I am NOT saying I wouldn't enjoy it much more at 30 fprs. I wrote a long-term mission report for a while and have many mods installed, including EVE (though trim
  3. No pictures (yet), but I will do my best to paint with words. The Program has a contract for science from the surface of Eve! So I designed a delightful little Soviet-style lander, and was quite tickled to see it pass through re-entry with only moderate damage. I managed to miss the large continent I had targeted however, and was heading for a water landing. Oh well, thought I, at least with an inflatable heat-shield it will float! Little did I realize they were inflated with lead. Ah! But this is excellent! I can now 'land' on the floor of the ocean, and still use all my s
  4. That's very insightful, I appreciate the input. I think I'll have to "simulate" it and then make my best effort. This is the probe, so as designed the Entry Probe needs to detach before the Insertion Stage can fire to break the Orbiter into orbit. I'll see how it goes!
  5. The probe has some Dv, yes, though only enough to change course. Maybe I'll sketch up a diagram and get some screen-shots when I'm home later, but the Orbiter was going to use Dv insertion and so not touch the atmosphere, but the entry probe would be on a closer orbit to intersect of course, so it would be out-pacing the orbiter until the atmosphere started to slow it down. I can't put a big transmitter on the probe because entry would tear then off, so I need to stay within 1,5m M and LoS to make sure i get the data.
  6. Good day one and all. I am embarking upon an exploration of the gas giants (out planets mod) and my plan calls for a probe stage in three parts. A gas giant entry probe, to be detached after entering SOI, an orbital insertion stage that when decoupled from the orbiter itself will serve as a potential relay, and then the orbiter itself. My issue is, as I start to think about it, how to ensure that the entry probe stays in communication with the orbiter/insertion-stage as it enters the planet's atmosphere. Logically the probe would seem to need to slow down after separation, or else the
  7. See that? 25km off target, but I made it to this beautiful valley where I need to do my biological experiments. Anyone care to guess what is NOT going to be happening? :| Experiments. Or anything. The last command I sent was to apply the breaks when I caught some air at 20 m/s. Unfortunately, the probe core - like an idiot - was mounted right at the front there. Where there is nothing now. :| Sigh...
  8. That water in the last shot looks amazing. You balanced it well!
  9. I'm going to shamelessly give this corpse a kick, as it the idea would provide for Kuiper Belt bodies and might be of current-event interest, on the off chance that someone with the code wizzarding skills might take the idea and run with it.
  10. Be fortunate the kerb isn't spagetifiing away at trans-light speed. I haven't seen that behavior recently, but it has been known to happen on rare occasions.
  11. Well, this is a link for the think-tank we had back then. I had one person much smarter than I say it could be done, but I tried several avenues and the ones I thought were viable were non-starters.
  12. Oktober 1st, '64 Mortimer sat at a mechanic's desk in the Air Force space-plane hangar, the large craft itself now nearly half disassembled. It was easy to see why it had never made it to orbit, even to him. It had clearly been designed by someone who thought the only answer to drag was "moar power", and the pilots had been told that a "standard" re-entry included the phrase, 'when the uncontrollable tumble begins immediately deploy the chutes or you may not regain consciousness to do so before impact.' Comforting. Parts were even now being cataloged and deemed 'store
  13. This is why I love this community. Thank you @Snark and All. That was the insight I was hoping for. My plans will now be simpler and more attuned. :] If I don't screw it up I will post it in the results. If i do screw it up, it will appear in my mission report.
  14. Thank you for KSP-TOT, I will look into that. I think my rationale was more time than speed, as I just want to make the journey as short as possible. Burning 40,000 dv in Kerbin orbit to go straight to Valentine (extrasolar planets mod) will take 33,000 years. Going to Neidon to Kerbol to Jool to Valentine would get me there sooner. I would sacrifice 5 years travel on the front end as I dove back in but in the end it would pay off. End (Planet9 mod) is not so far, only ~40 years (i think), so I don't think a super complex trajectory would pay off. It would be going faster at End, but
  15. Good evening all, I've a simple (I think) question. I know that if you drop down around Kerbol then your hyperbolic velocity is greater than just burning straight out with the same amount of fuel. I also know that going faster at Periap produces greater velocity, which means dropping from a higher Apoap. So the farther out you go before you drop down, the faster you will exit. However, at a certain point the benefits of dropping down towards Kerbol must be exceeded by the time you've spent traveling out to your Apoap. In an extreme case, if my target was 1,000,000,000 km out, and I ro
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