Nathair
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Posts posted by Nathair
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On 2017-02-04 at 3:43 PM, Zeiss Ikon said:
especially at interstellar distance; even a coherent laser beam spreads over that kind of range
That's why it gets refocused by a planetary diameter fresnel lens made up of myriad chunks of plastic floating out beyond the orbit of Mars. The beauty of it is that the lens keeps getting built bigger as the flight goes on... (stolen from Forward's Flight of the Dragonfly.)
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16 hours ago, richfiles said:
I was wondering which SI prefixes KSP uses in game, and are there any that are skipped? I ask because I know it skips km on your altimeter
It "skips" deca- and hecto- too.
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5 hours ago, Veeltch said:
What?
The only significant thing to consider in the earliest landings is that it's a bit easier to land and take-off again near the equator. I guess "On the lit side" is a consideration early on.
5 hours ago, GoSlash27 said:I do precision landings all the time in stock. It's just a matter of technique.
I do too. I did not say it can't be done, I said there's usually (especially early on) just no reason to bother worrying about it and that's too bad. Landing site location and timing was extremely significant to early Apollo missions.
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2 hours ago, meyerweb said:
Not 100% sure this is the right place to post this, but I created a single-use widget for calculating resonant orbits to deploy satellites into a circular orbit at regular intervals along that orbit. It’s at http://meyerweb.com/eric/ksp/resonant-orbits/.
I spent a few hours today working on exactly the same thing.
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16 hours ago, GoSlash27 said:
... perhaps with the introduction of the HECS. Players should be able to map out the Munar (or Minmus) biomes when they've progressed to the point in the tech tree where they're ready to launch without resorting to outside sources for the info. As it stands now, players are forced to either land blind in their first few missions or refer to the wiki.
Landings are very sloppy affairs in KSP, unlike real life. Apollo 12 was specifically and intentionally a test of the ability to make precision landings. When 13 failed to land at Fra Mauro they bumped 14 off it's originally selected site and sent it to Fra Mauro because Fra Mauro was a more "geologically" interesting site. Kerbals, on the other hand, generally land somewhere near the equator, usually, if it works out. Likewise landing on returning home is a "Just park that thing anywhere" affair. Poles? Desert? Mid-ocean? Whatever!
It's too bad, it would be nice to have some stock tools to make the landing site locations and precision landings something to think about and shoot for.
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4 minutes ago, munlander1 said:
That is a different set of rails you speak of.
I do not understand the purpose of this thread or what you expect people to say "on topic", such as it is. Coming here, of all places, and asking this particular question seems genuinely bizarre to me. It's like going to www.deathmetalforever.com and trying and strike up a conversation about Barry Manilow, if it's not just blatant and rather pointless trolling then I do not understand what it is.
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1 hour ago, munlander1 said:
Sorry about this but I have to derail your guys conversation because you guys are derailing my thread. (Not trying to be mean. I know it sounds mean but I not trying to be)
"How many of you believe in Neil Armstrong's one small step?" This thread started out completely off the rails.
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34 minutes ago, TheEpicSquared said:
@paulprogart I would download a mod for it!
And welcome to the forums!
Count me in!
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They had better luck with 17's flag.
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23 hours ago, xendelaar said:
After playing +2000h of ksp I'm flirting with the idea of making my own real life SRB rocket. A small version off course...
I found some cool instructables online which explain how you can make solid rocket fuel using sugar, potasium nitrate and a pinch of iron oxide.
The isp is not really high (100-130 ) but heck... it would be cool to get a small craft of the ground.
Does anybody have any experience with building real life amature rockets?
Do you have any kerbally design tips?
I made more than a few rocket candy motors, back in the day. Nowadays it's not legal here. Not legal to build, transport or even to just buy KNO3 (which is a real pain since it has a lot of non-splodey uses too.)
My advice is to check out your local laws before you even begin.
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20 minutes ago, WinkAllKerb'' said:
why make it complicated when there such simple tons of available explains
I'm not sure what alternative "simple explanations" you're suggesting are available. "The whole thing was faked and covered up by the biggest conspiracy in human history" is not a simple explanation. "The cloth suspended on the rod continued to sway for a couple of seconds because there was reduced gravity and no air resistance" is both simple and correct. Another simple explanation for this is that some people only want to confirm their own beliefs rather than to learn something new, even if they have to contort into pretzels to do it.
25 minutes ago, WinkAllKerb'' said:and then wut ?
And then nothing. The fabric in question is still hanging, motionless, from the rod. Unless the flagpole fell over when they launched, in which case it's lying on the surface of the moon, motionless. (LROC images of the site from Nov 2011 don't resolve the flag's shadow among the rest of 15's relics on the surface, so it is possible that it blew over during the ascent stage launch.)
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On 2017-01-10 at 7:33 AM, Somtaaw said:
Even with just a HECS probe core, a standard RA-15 dish, and 3 solar panels for recharging. Assuming a 100km orbit of Duna, the mod tells me I need almost 35,000 EC to handle the dark side orbits.
The math is correct. A 100km Duna orbit has a dark time of just under 860 seconds and your satellite is apparently burning through 40EC per second which would need 35KEC of battery power. Pretty sure that power rate only holds while actually transmitting data though...
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3 minutes ago, WinkAllKerb'' said:
then 300 and/or brutus happened (it depend the caesar their's many)
300, as in Thermopylae? Brutus and Caesar lived about four hundred years after Thermopylae. That's about the difference between Romeo and Juliet at the Globe and The Force Awakens at the IMAX.
In such matters of opinion, it serves us well to take the time. Watch the video for yourself, pick up a book, don't just skip the details of coming to a well informed opinion.
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2 minutes ago, WinkAllKerb'' said:
UTF-8#q=moon+video+sales+fact+various+media+world+wide
at least, it create some work, add a pinch of confusion and all, mostly my point, as said i don't care about the video in itselfI'm sorry, I just don't understand what that meant.
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3 minutes ago, WinkAllKerb'' said:
witch video ? the one you've recorded yourself in 1960 with you'r tv and magneto ? a my bad no magneto back in the days in everyone home ^^ i m born later i don't care about that video, i ve not wached the tv back when it happened
I'm not fully conversant with the delusions of Moon Mythicists but I believe that the flag in question is from Apollo 15, so that makes the date 1971 not 1960. (And, not that it matters, I was, in fact, watching that on TV.) The video of the "waving flag" is readily available on YouTube.
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1 hour ago, Ten Key said:
The Titan II that launched the Gemini spacecraft was also an ICBM,
Jim Lovell's book has an amusing bit about flying the Titan to orbit. "[t]he Titan had a huge range of ballistic trajectories programmed into its guidance computer, which aimed the missile below the horizon if it was headed for a military target or above the horizon if it was headed for space. As the rocket rose, the computer would continually hunt for just the right orientation, causing the missile to wiggle its nose up and down and left to right, bloodhound-fashion, sniffing for a target that might be Moscow, might be Minsk, or might be low Earth orbit, depending on whether it was carrying warheads or spacemen on that particular mission." Since the Titan also preferred to do all its maneuvering while rolled ninety degrees to the right, so you'd be doing this bloodhound wiggling through eight g's while lying on your side, that sounds like a wild ride!
2 hours ago, WinkAllKerb'' said:will probably stop very slowly because gravity ... kinda like kessler syndrome and saturn ring ... just very slowly ...
If you watch the video you'll see that the "waving" stops after just a couple of seconds.
One thing that going to space has taught us is that almost everything "common sense" tells people, even many quite intelligent people, about what will happen to things in space is DEAD WRONG. As we all know, it took the New York Times until after Apollo 11 had taken off before they issued a retraction for their 1920 Article making fun of Goddard and explaining to him(!) that rockets can't fly in space.
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I use RT and TAC-LS and Persistent Rotation and mods like that with the goal of increasing operational requirements/complexity, so I don't use mods that do the opposite. I don't use military or futuristic mods because I enjoy the early NASA kind of flavour of the game. I don't MechJeb for all the usual reasons.
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2 minutes ago, regex said:
I don't think career mode can ever be good unless someone comes in, tosses everything out the window, takes a good, long look at everything that was done and done wrong, and designs the damn thing from scratch as a singular whole.
Works for me.
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15 minutes ago, regex said:
And that's why career mode will never be good
You mean that's why career mode will never be perfect but it can certainly be made a lot better than it is. As the Duke of Albany put it "striving to better, oft we mar what's well". Currently I don't think anybody is satisfied with career, even those of us who only play in that mode aren't exactly thrilled by the way Squad more or less phoned it in.
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1 hour ago, p1t1o said:
it takes a particularly insular type of person that doesn't assume that "we" in this context is referring to our species...
I believe that was exactly Darnok's complaint, that the "we" did refer to humanity and that it should not, that all credit should go to "Americans". (A comment like " Your way of thinking is flawed by united humanity propaganda." speaks volumes.)
Personally I wonder why, to that way of thinking, "Americans" should get the credit. Most Americans just sat home and watched it all on TV.
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On 2017-01-31 at 8:10 AM, Darnok said:
"Have we landed on the moon?" - no we haven't. Only Americans landed on Moon. This wasn't international mission it was single-nation mission
Yay! for tribalism but Boo! for accuracy. Even ignoring the long list of Operation Paperclip scientists and engineers, how about folks like Owen Maynard and the team that went with him from Avro to NASA, don't they count too? How about all those companies like Heroux-DEVTEK that NASA contracted the actual work out to, don't they count?
NASA's programs are not and never have been purely American efforts.
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5 hours ago, peadar1987 said:
So the sun isn't enough...
What about tidal heating?
And what about the radiogenic heating I mentioned above? There's also residual accretion heating and heating from core formation (gravitational heat) to consider. In a youngish body (and depending upon composition) these could contribute a significant amount to the planet's heat budget.
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2 hours ago, Hotaru said:
The "Explore X" contracts are a perfect example of the kind of contracts that should be user-selectable, not just whatever strikes the RNG's fancy. So, you want to go to Duna? No, I really, really think you should go to Vall. Because reasons. I'm an RNG. Your argument is invalid.
1I don't even think they should be contracts as such. Everything on the World's First list should be available all the time as a kind of checklist.
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7 hours ago, Abastro said:
Actually there is a mechanism which produces oxygen on the atmosphere: UV rays breaking water vapors into hydrogen & oxygen gas.
This is quite common for planets getting runaway greenhouse effect, since they have relatively high water vapor concentration in its high atmosphere. The hot temperature causes water vapor to go up higher, where it's prone to bombardment of solar UV rays. The resulted hydrogen gas escapes the planet, while the oxygen gas falls to the bottom of the atmosphere due to its high molar mass.
The problem is not producing oxygen. Oxygen is the third most common element in the universe! The problem is in ending up with substantial free oxygen remaining in the atmosphere.
How "renewable" is water on mars?
in Science & Spaceflight
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