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Everything posted by cantab
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Something I've never really been sure on, how actually does Sigma Binary handle the SOIs of the two bodies in a binary pair?
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Speaking of monopropellant, 1.1 added a new option on RCS thrusters: Under actuation toggles, "Fore by Throttle" which makes them work as main engines! KER won't tell you the delta-V, but a bare 1-Kerbal lander can with a couple of single-way thrusters gets 200 m/s just on its internal monopropellant. Enough for basic orbital manouvering, or even to take off from Minmus.
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An idea for a total hack way: The part has a module to generate a special resource, and the processors require that resource to run, and do everything possible to stop that resource flowing or being transferred between parts. It wouldn't outright stop both processors running at once but it would stop them running at once at full performance. I wouldn't really want to use that for anything beyond early WIP / gameplay testing stuff, a proper code solution would be so much better.
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What is your biggest science pet peeve in movies?
cantab replied to todofwar's topic in Science & Spaceflight
Well some of them did, and we call them birds. But it's not implausible for a species or clade to exist for a long time with little morphological change. After all if it's well adapted to its ecological niche and that niche remains present and competition stays away, why would the clade go extinct? Such clades are known as "living fossils" and there are many examples. -
The feels. Maybe we should have used a rocket sled instead of a wheeled locomotive.
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I believe the first one named as such was the "Deep Space Kraken", yes. Back when there weren't any other planets, going that far out didn't have much point, but if you did your ship got torn apart by an unseen force. The "Intercontinental Kraken" was even older, in the first releases of KSP, where just going far enough from the space centre, for example to orbit the planet, would start your ship vibrating again due to floating point errors. I observed it when I played 0.7.3 myself. But I think it might have got the 'kraken' name after the fact. After all, making orbit in KSP 0.7.3 is Not Easy. Now though the KSP community refers to any game bug that destroys the spacecraft or severely disrupts the game physics, without outright crashing the game, as a "kraken". It's rather diluted the term.
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[1.3] [Kopernicus] New Horizons v2.0.1 [2JUN17] - It's Back!
cantab replied to KillAshley's topic in KSP1 Mod Releases
Looking at the gross properties of Lave - its gravity and atmosphere and so on - makes me wonder if it couldn't be remoulded into something that gives a KSP body the challenges of Mars. That is, the atmosphere is dense enough to matter, it'll destroy an unshielded ship, but it's too thin for parachutes to slow down enough for landing. Duna doesn't do that, it's too small and the atmosphere still too thick. I don't know of any other planet mods with something like it (barring RSS obviously). -
Wobbly rocket or payload? Mount a probe core on the first or second stage with a small nosecone or a cubic octag, and click "control from here" at launch. SAS will use the orientation of that probe core and it's what the navball will show too, which makes it a lot more stable and controllable even if the payload on top is flexing around a bit.
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Crashed and destroyed the Britannia cargo shuttle on her fifth mission. Gutted.
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Satellites whilst viewing through telescopes and Northern Astronomy.
cantab replied to DMSP's topic in Science & Spaceflight
Oh, the Bigelow test craft, nice. https://en.wikipedia.org/wiki/Genesis_II -
I'd say there's merit to most places. Though I don't see much point in a base on Eeloo in stock KSP. It's not a useful location like the moons of Kerbin or Jool. It's not visually interesting like Kerbin or the Mohole. It's not a 'challenge' in the way Eve, Tylo, and Moho are. It doesn't even have the comedy value of Dres.
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[1.3] [Kopernicus] New Horizons v2.0.1 [2JUN17] - It's Back!
cantab replied to KillAshley's topic in KSP1 Mod Releases
I'm actively using New Horizons 1.7 with Kopernicus 1.0.4 with KSP 1.1.2 with no major problems. I see no pressing need for an update. -
https://en.wikipedia.org/wiki/Apollo_Lunar_Module#Lunar_Modules_produced Apollo 10's ascent module was sent into solar orbit and is the only one that flew and survived. On the other hand it's descent module was left in lunar orbit and crashed. Apollo 11's was left in lunar orbit and crashed. The same for 16. I'm not sure why the 16 LM was not deliberately deorbited. 12, 14, 15, 17 all deliberately deorbited. 13's re-entered the Earth's atmosphere and was destroyed. The same for Apollo 9 which never went to the Moon but tested the LM in LEO. --- As for me in KSP, well ran out of Ec so my new shuttle on its maiden flight did an uncontrolled flyby of Serran. I recovered solar power when the angle to the Sun changed, and tomorrow will work on bringing her back home. And be less stingy on the solars next time!
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Looking for a new computer for university. Can anyone help?
cantab replied to Dman979's topic in The Lounge
To expand on that, keep in mind that the reason why companies offer cheap student deals is because they want you to learn and continue using their software, that will often become a lot more expensive when you stop being a student. So yeah, just because you can get a student deal on Photoshop or Maya, doesn't mean you shouldn't consider GIMP or Blender for example. -
If you're using UKS, then it depends somewhat on your "roll" of the resources. A body with key resources together on one site is a big advantage.
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I see the problem that once you can reach solar escape speed, you can circularise at an arbitrarily high orbit, and it just becomes a case of who leaves the game in timewarp for the longest.
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It's not a formal anomaly, but it's a cool terrain feature. I don't think there's any 'meaning' to call it an easter egg, it's not like the Kerbin smiley face.
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BANG! Granted. I wish I was knurd.
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Looking for a new computer for university. Can anyone help?
cantab replied to Dman979's topic in The Lounge
For some people it can work. My mum had always had a lot of trouble with computers, mainly due to lacking co-ordination with the mouse, but she took very well to her Windows 8 tablet with detachable keyboard. And I myself find laptop trackpads fiddly, and it's a lot simpler on a small laptop to touch the screen. On the other hand large touchscreens, like on a big laptop or an all-in-one, don't work because they're too far away, it's no good if you actually have to stretch forward to reach the screen. In general I do not think much of "all in one" PCs, the modern iMac included. They combine the portability of a desktop with the performance-per-dollar of a laptop. Only buy one if you care more about how your PC looks than how it actually works. -
When the engine is running it will generate some electricity proportional to its fuel consumption. Fuel consumption is unchanged whether or not there is any storage for that electricity, and you can't turn the alternator off. So it's "free" in the sense that everything is the same whether you use that electricity or not. But it's not "free" in the sense of needing no resources - when the engine is switched off and not burning fuel, the alternator does not work.
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Apparent diameters of celestial bodies in KSP
cantab replied to NovaSilisko's topic in KSP1 Discussion
It's made me realise how lousy 1080p, coupled with a possibly shrunk field of view, is. If Minmus were in the real sky its flats would be plainly visible, but in KSP it's usually a single pixel or two. -
Large landing gear not steerable
cantab replied to Nucluer's topic in KSP1 Suggestions & Development Discussion
Considering 1.1.x made the landing gears a lot more vulnerable to weight, and I've read people say "well don't land heavy planes on toothpicks!", then I agree with this. It's no good if the only options for nosegear are too-weak toothpicks or unsteerable heavy gear. -
Power for ISRU on Pol
cantab replied to davidpsummers's topic in KSP1 Gameplay Questions and Tutorials
Getting back on topic, having an engineer around will make an ISRU unit produce more fuel per unit of electricity consumed, and a sufficiently skilled engineer is a requirement for a fuel-cell powered miner to be self sustaining. So for autonomous mining you need another source of power. In the outer solar system, whether you use solar power - and you can get usable power out of Gigantors at Jool - or RTGs, you will probably just have to accept a slow production rate. I'd argue that in most cases that's fine. A probe exploring the different Joolian moons is not in a hurry. If you're sending robots ahead of Kerbals, they've got a full year to work if you send the robots one launch window and the Kerbals the next, and that's plenty of time to make some useful fuel. Even longer if you let the robots arrive and check they work before the Kerbals even launch. -
I've done it several times. It's fairly straightforward, but you do want to be pretty "direct" about it, you can't really spend ages slowly closing in. Anyone who has captured an asteroid in Kerbin's SOI has done this. (Personally I prefer meeting them in solar orbit.) My basic approach: Leave plenty of time to get everything sorted out. You don't want to miss the target! If possible, launch to match inclinations. Make a manoeuvre to put your apoapsis touching the flyby periapsis of the target. If this is not possible due to inclination, just put the apoapsis pretty high but closer than the flyby periapsis. At apoapsis, burn to both match inclinations and so that when you reach your intersection with the target trajectory in future you will get a close encounter. You'll probably be going round at least once in quite a high slow orbit, which is why I said you need plenty of time. When you get your close encounter, match speeds then close in as normal. If you wanna get back to the body you were orbiting, do whatever needs doing (docking components, transferring Kerbals, etc) pretty quickly then burn retrograde already. If you are short on time, then an alternative approach is to delay step 3, waiting in a quick low orbit until you can arrange a single burn to a direct encounter at step 4. But you will need a bigger burn to match speeds and it's a bit trickier to sort out the timing. Here is a trajectory example. My ship was in an equatorial medium Kerbin orbit and needed to rendezvous with the cyan-trajectoried vessel flying through on a high inclination beyond the Mun. One burn to raise apoapsis, a second burn to match inclinations and set up a close encounter. "Close" was actually a few hundred km, though I refined it to 22 km - you have a lot more tolerance in high orbits than you do in LKO because the wider and slower orbits mean you can spend longer on the final straight-line approach. (The cyan, by the way, was an asteroid I had already met in solar orbit and course corrected so it got a Kerbin gravity assist to a Duna encounter, and I sent some more stuff to meet the asteroid and go along for the ride. A complex and fun mission.) And another situation I had to deal with, this time the craft on the flyby was actually coming closer than my current orbit. I don't recall my exact rendezvous approach, but I think I would have entered a highly elliptical orbit then met the target at our shared periapsis instead of at my apoapsis; getting into the elliptical orbit would have made for a cheap plane change. (In this case the blue was a space station, and the cyan was its new solar array that ran out of fuel, so I sent a ship out from the station to grab the array and bring it back to the station).
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Some websites run ads using the same concept - allowing the adverts to link themselves to chosen words in the text. But if you get it on sites that you know don't run that kind of ad, then you know the web page is being tampered with. Usually by malware on your PC, but it could also be done on the network you're connected to. Internet service providers have done similar things in the past, tampering with web pages in transit to replace the original ads with their own, an action that is highly likely to be criminal in many jurisdictions. "Free Wifi" in coffee shops, hotels, and so on could very easily do such a thing and a lot of other attacks on you too.