*Aqua*
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Posts posted by *Aqua*
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I just want to say Thank You! I had a lot of fun planning my base today.
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IIRC it appears once every 40 game startups.
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1 hour ago, Krist said:
And what is a good efficient flight profile to get to orbit?
It depends on a lot of factors. But usually you want to reach ~20 km altitude fast and build up you horizontal speed until it gets too hot (at about ~1.3 km/s*). Then pull up to ~30° and ignite your rocket engines (if you have any) and wait until your AP gets out of the atmosphere.
High TWR helps you to reach 20 km altitude faster by pitching up a lot (up to 90°) right at the beginning. If your TWR isn't that beefy you're restricted to a slower climb rate.
I try to climb in a way that my speed never drops below mach 1 (~300 m/s).This approach will result in a curve like this. Please forgive my crappy paint skills.
* As a side note: For a low Kerbin orbit you need a final velocity of about 2.2-2.4 km/s. So you are already half way there.
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If you damage your lungs it is very likely you won't stay alive for long.
Also what's keeping the bubbles from exploding?
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2 hours ago, fredinno said:
Source?
QuoteThe third and final test, Excelsior III, was made on August 16, 1960. During the ascent, the pressure seal in Kittinger's right glove failed, and he began to experience severe pain in his right hand from the exposure of his hand to the extreme low pressure. (See Effects of vacuum on humans.) He decided not to inform the ground crew about this, in case they should decide to abort the test. Despite temporarily losing the use of his right hand, he continued with the ascent, climbing to an altitude of 102,800 feet (31,333 m).[3] The ascent took one hour and 31 minutes and broke the previous manned balloon altitude record of 101,516 feet (30,942 m), which was set by Major David Simons as part of Project Manhigh in 1957. Kittinger stayed at peak altitude for 12 minutes, waiting for the balloon to drift over the landing target area. He then stepped out of the gondola to begin his descent.
https://en.wikipedia.org/wiki/Project_Excelsior#Test_jumps
The hand was unpressured for about one hour.Quote[...] Blood and other body fluids do boil when their pressure drops below 6.3 kPa (47 Torr), the vapor pressure of water at body temperature.[9] This condition is called ebullism.[10] The steam may bloat the body to twice its normal size and slow circulation, but tissues are elastic and porous enough to prevent rupture.[11] [...]
A short-term exposure to vacuum of up to 30 seconds is unlikely to cause permanent physical damage.[13] Animal experiments show that rapid and complete recovery is normal for exposures shorter than 90 seconds, while longer full-body exposures are fatal and resuscitation has never been successful.[14][15] There is only a limited amount of data available from human accidents, but it is consistent with animal data. Limbs may be exposed for much longer if breathing is not impaired.[9] Rapid decompression can be much more dangerous than vacuum exposure itself. Even if the victim does not hold their breath, venting through the windpipe may be too slow to prevent the fatal rupture of the delicate alveoli of the lungs.[9]Eardrums and sinuses may be ruptured by rapid decompression, soft tissues may bruise and seep blood, [...]https://en.wikipedia.org/wiki/Effect_of_spaceflight_on_the_human_body#The_vacuum_of_space
Normal skin can withstand vacuum. Soft tissue can do it too but there might be some bruises. But most of the soft tissues are in your mouth, nose and eyes and that's what you want to cover with a pressurized mask anyway.
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Just now, kunok said:
the question it's how much time can your skin stand the vacuum?
Very long. Our skin is tough enough to withstand a prolonged time of vacuum, probably several days or longer.
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3 hours ago, kunok said:
A "corset" for compressing the lungs, and an airtight helmet connected with an oxygen bottle.
This!
If there's a hull breach and air is flowing out quickly you only have about 30 to 60 seconds before you'll become unconscious. You'll lose precious seconds just for realizing what's going on, looking around, deciding what to do and flying to the next mask. Let's say this takes 10 seconds, then you have about 20 seconds left for putting the mask on.
There isn't enough time for putting on a space suit or similiar. You need to immediately take action to get air into you lungs again.
When you put on the mask you just increased you lifespan by the amount of oxygen in the tank which should be enough to even survive an hour or so in vacuum. But stay in the shadows and avoid direct sunlight. Cooling down in space takes a long time but heating by the sun is pretty fast.
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10 hours ago, Funky Schnitzel said:22 hours ago, Brainlord Mesomorph said:
*Speaking of a lot of work to not use chutes, I cannot understand why Elon Musk is so determined to land a rocket using LFO when wings and parachutes already exist.
I wondered this myself. Turns out, he wants the rocket to be able to be used as a primary stage (and recovered for reuse) anywhere in the solar system. Essentially, he's starting to build the infrastructure necessary for a Mars colony.
The first stage of the Falcon 9 weights about 20-something tons without fuel. You'll need an incredible large parachute for that. The rocket has an aerodynamic shape, it won't slow down in flight a lot by itself. That means the parachute must be deployed at high enough altitudes at very fast (supersonic) speeds.
Are there parachutes that can survive supersonic speeds while being pulled down by a 20-something ton weight? And would that parachute system be more reliable, lighter and cheaper than a proven rocket engine, guidance system and one ton of fuel? And does this parachute allow steering so that the rocket engine won't land in salt water? -
http://www.kerbalmaps.com/
Switch to slope layer in the upper right.
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Use ScanSat and create a slope map with satellites.
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If you want to replace ore by actual elements like iron, aluminum, carbon, etc., where do you want to stop? The periodic table has 118 elements (still counting).
Let's say you select about one or two dozens of the most important ones. If you combine them your can create numerous alloys, composite materials, etc.. The question is again, where do you want to stop?
To create the materials you need new parts. How many should there be (you obviously need several because a smelter can't produce carbon fiber)?These are rhetoric questions. The point is adding several new "ores" can quickly make the system too complex.
The original idea for ISRU was to have about a dozen minerals, fluids, etc. which need to be mined, distilled, smelted, etc. The KSP devs scrapped them because it was too tedious, too complex -> not fun.Spoiler
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Well, now we've got:
Gaalidas - our mascot ^^
Aqua (me) - plugin writer
V8jester - IVA, part config, PR guy
ArkaelDren - part config, testing
and lo-fi - the guy we blame all bugs on
IMO we need another two guys: a second plugin writer and a modeller (modeler?)
I don't want to code the stuff all by myself and we need a guy who can create new tracks and wheels and/or modify the current models.I guess we'll do it like that:
1. Organize ourselves. (Github access, everybody who doesn't know KF will have a look and ask questions, etc.)
2. Wait for KSP 1.1.
3. Brainstorming. (What do we need to change? What to remove? What to add? etc.)
4. Idling and once in a while contributing some stuff. Joking It would be nice if everybody could contribute at least 2 hours per week to KF. More is ok, less is... you know... with that much contribution you don't get anywhere.
Our goal: Getting 75+% of KF running again at about 2 months after KSP 1.1 release.What are your thoughts?
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No, a script won't really help. You essentially have to redo all textures to make use of all PBR capatibilities. Afaik the KSP devs won't do that (yet) as it's too much work.
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It shouldn't be that difficult. Basically you need two textures for it: The "clean" and the "dirty" one.
You put both on the heatshield, the dirty one on a lower layer and the clean one in the layer above it. (You can archieve that by duplicating the surface and moving the copy before the other one. But be aware of possible z fighting.) On start you set the the clean one to 100% opacity. While the heatshield burns up you decrease the opacity so that the burned up surface begins to show through. You can tie the opacity to the ablatorcurrent / ablatormaximum ratio or use a more refined math.
There may already be a function in Unity which can combine two textures to archieve the same effect.
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The missing problem
After rocket builders refined their crafts more and more they send them on a mission to Tylo. Right after landing they embark and upon touching the ground first they remember to get back into the craft to get the flag - just to discover they forgot to add ladders and can't get back in.
P(M) = 1 - tc / te
Where:
- P(M) is the probability an important part is missing.
- tc is the current mission time in seconds.
- te is the estimated total mission time in seconds.
Side note: The further you are into a mission the more likely it is you forget to add a part that's essential for mission success.
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5 hours ago, TheRag said:
You could in theory clear the tech tree by just time warping a MG on the launchpad, albeit it would probably take hundreds of real life days to do it.
100s of rl days using timewarp? O_O
Forget it!
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You might want to change the new moon's name to "Dritter Mond" which is the correct German spelling for "third moon".
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Hi ChrisD!
While you are waiting for Squad to implement these (if they'll do that), you could try mods which provide the game mechanics you want.
1) http://forum.kerbalspaceprogram.com/index.php?/topic/50884-104-in-game-notes-notepad-checklist-v0122-20151006/#comment-726660
2) http://forum.kerbalspaceprogram.com/index.php?/topic/72605-105-flight-manager-for-reusable-stages-fmrs-v1001/
3) I'm not sure. There's a mod which allows to change the suits but I don't know if you can change them dependent on the Kerbal's profession. -
1.1 introduces new wheel and antenna mechanics, which means that every craft with these parts probably won't work anymore.
There might be other new stuff which even makes whole saves unloadable.
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2 hours ago, katateochi said:
maybe this is something a modder might pick up as a stock visual enhancement technique?
The first one is already working on it: http://forum.kerbalspaceprogram.com/index.php?/topic/127810-stock-part-replacements-for-a-new-shader/
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On 10.01.2016 at 8:46 AM, DangerouslyDave said:
I'm not sure if I like this look. The metal looks like aluminum. Does this engine look like that in RL?
Also I have the impression that they usually have a less shiny apperance.
Spoiler
Russians like to paint their rocket engines. O_O
Spoiler
Also for emissives I found these pictures:
Spoiler
I hope it can be of help for you.
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Hi Kerbals!
Are you as excited as I am about the PBR in KSP 1.1? PBR is short for physical based rendering, it's a (supposedly more realistic) method to render textures which is new in Unity 5.
Spoiler
Afaik KSP's assets won't be converted to this in 1.1 but I expect gradual replacement during the next updates.
Because 1.1's also comes in a 64 bits version we can have a lot more textures in a higher resolution. The downside is that textures need more work to create (seems like double or triple the amount).But the visuals look very good!
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On 12.01.2016 at 5:26 PM, Feni said:
Wobbling can occur if your plane reaches its aerodynamic limit and has stalls on its control surfaces or if its input into the control surfaces is so large that the craft overshoots its target angle and has to correct (and overshoots that angle also so it keeps overcorrecting).
For completeness: Undercorrection (not enough control surfaces, etc.) can also cause wobbling.
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@AngelLestat
What do you mean with "inconscience"? I can't find a translation of it. Do you mean unconsciousness?5 hours ago, AngelLestat said:but we don't know what is conscience yet
That's true. We also don't know if it's a necessity for an intelligent mind.
5 hours ago, AngelLestat said:About intelligence, you are using a difficult way to define intelligence
I think my definition is as good as everyone's. There's no definition of what intelligence is.
5 hours ago, AngelLestat said:but also the elephant has a bigger body, so it has more cells or terminal nerves to control.
There are a lot of animals where the brain/body ratio is greater compared to humans. For example birds, dolphins, etc. Again, intelligence doesn't appear to be proportional to the brain size. There might be a correlation though.
I once made an experiment with my dog. I let him see me putting some tasty stuff on the ground and covered it with a piece of cloth. Then I allowed him to try getting that food. First he tried to paw through the cloth but was unsuccessful. Then he looked at me like he wants me to remove the cloth. Then he changed his approach and pulled the cloth up (obviously in a funny way, he had paws, not hands) and was now able to reach the food.
Was the dog intelligent? Yes. Is his intelligence comparable to ours? Yes. (He tried different approaches, he evaluated the results of the approaches, etc.) Can his intelligence compete with ours? No. (He seems to think "slower", he doesn't seem to think ahead a lot, etc.)
The brain of a dog is pretty small. I fits on the palm of a hand.
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If you link several ANNs you get a single big one.
1 hour ago, justidutch said:Could there be some sort of critical tipping point if you form a big enough collective (Borg anyone?) that could give rise to a form of sentience?
Unknow but it's likely it won't be like that.
A human brain has about 86 billion neurons, an elephant's brain has about 257 billion neurons. That tells us that just having a big neuronal network isn't enough. There must be more to it and whatever that is, it's probably the source of our sentience.
Some recent (3 years ago?) research discovered that there are clusters of a couple 100 - 1000 neurons in our brain. It is still unknown what effect that has. May that's where our intelligence comes from.
Sound Overhaul
in KSP1 Suggestions & Development Discussion
Posted
If you hear your jet engine making a deep rumbling sound you should grab a parachute quickly. The engine is probably disintegrating. ;-)
KSP seriously needs an audio overhaul!