Tutorial: Making the AI fly | BDArmory Wikia | Fandom Minimising the environmental effects of my dyson brain, Theoretically Correct vs Practical Notation. But you'll need to unlock: High Altitude Flight Which cost 300 science. In the stock atmosphere, the benefits of moving faster outweigh almost everything else. Any advices for building a vehicle for this task? Press J to jump to the feed. The ideal case for optimally efficient flight (which is what you want if you're trying to maximize cruise altitude) is when your wings are mounted to the body, pitched up just enough that when cruising in level flight, the body of the aircraft is pointing perfectly . I looked into the .cfg files and there are no special properties allocated to them. To reach the initial low Earth orbit of the International Space Stationof 300 km (now 400 km), the delta-v is over six times higher, about 9.4 km/s. If the wings are flat and your plane steadily loses altitude in level flight at a given speed (as most designs will by default), it means you either need to pitch up slightly, increasing the angle of attack and keeping your vertical velocity at 0 by flying up slightly to compensate for the pull of gravity that lift isn't compensating for. surface of jool. Once you're at that regime, you should be able to cover huge distances on tiny amounts of fuel. I have enough patience to do the slow flying, but is it horribly inefficient? Thankyou all, I now reckon I have a much better understanding of the engines, hopefully that'll translate to better aircraft. Then it is "In Space Low over Mun.". Orbiting is the most fun one: the higher the orbit, the less speed you need to maintain to stay in orbit, *and* the less air there is, so that's a double-whammy in terms of reducing fuel consumption. The more successful the flights, the more successful the space program is. Of course, this thing has very limited range, speed and acceleration because of the extra weight. J-404 "Panther" Afterburning Turbofan - Kerbal Space Program For comparison, the second most maneuverable engine is the CR-7 R.A.P.I.E.R. Valve Corporation. Paste as plain text instead, Display as a link instead, I am currently designing a mission that will involve several very long distance plane flights. Because when your engine has to take in air forcefully it automatically means there isn't enough surrounding your engine and that again means that air density and therefor air resistance must be pretty low too. This makes jets built using this engine considerably more maneuverable. Use the reaction wheel to hold your attitude slightly nose down as you float down and you can guide yourself like a paraglider. Build a plane or rocket for Kerbal high altitudes - Arqade Building a rocket to fly vertical seems to be nearly impossible, in the atmosphere they tend to become unstable (or maybe I missed a trick?). If you want to cover your aircraft with loads of intakes, I'm sure you could easily fly above 35km and reach 2000+ m/s velocity. Be aware that heat buildup can gradually become a problem when the afterburners are used in sustained flight. CONTROLABLE plane for ~20km altitude? :: Kerbal Space Program General 2.) What determines the maximum altitude a plane can reach? I should perhaps start trying out NEAR to get ready of 0.90, though. Learn more about Stack Overflow the company, and our products. But you'll need to unlock: Which cost 300 science. Be sure to have enough intakes (I think maximum efficiency in stock is 1 ramjet intake per ~2 tons of plane, though that is aesthetically ridiculous), and if you're still running short of intake air, you can dip down a bit to speed up and get to denser air. Once it's in the air, it's stable and easy to fly and manages to fly at altitudes between 11k 12k without problems. The U-2's published maximum altitude is somewhere above 74,000 feet. It flames out at 25,000. One of my planes is small and agile, and can easily enough glide to a safe landing even if the rockets consume all the fuel. As long a you can fly faster, the lower density at altitude can be compensated for. Contents 1 Usage 2 Construction 3 Categories 3.1 Airplane 3.2 Seaplane 3.3 Spaceplane 3.4 VTOL 3.5 Glider 3.6 Mothership 4 Operation 4.1 Flight records 5 Notes Usage I did some testing and found that the turbojets get the best Isp around 5.2 km altitude, so I was thinking of flying at that altitude. Maneuver node plans don't take drag into account, so you'll have to overshoot quite a bit to compensate. If drag were the only concern, at any given altitude the slower you go, the less fuel you need: the work done by drag over a distance grows linearly with speed (the force grows quadratically with speed, but the time falls linearly). A temple in the desert (6 29 47 S 141 40 3 W) known as Tut-Un Jeb-Ahn, although this name can only be seen when a vessel crashes into it. You arent doing anything wrong. From my experience using a panther it starts to lose speed after 15-16 kms, a more suitable cruising height is 9-13km. One problem is i'm running stock on career mode and only have 30 part to spare, so large planes are out of the question. Satellite Launcher - Kerbal Space Program Wiki All rights reserved. Once I'm near or in the target area, I set the throttle to 0 and start the Swivel. Thrust means that slower-is-better no longer applies: now, slower means less drag but more gravity, so there's a tradeoff (which I'm not going to carefully calculate for you, because it's hard). Unfortunately, most space plane designs are impossible (or at the very least impractical) at your current tech level. Your previous content has been restored. Laythe - Kerbal Space Program Wiki Kerbal Space Program - Wikipedia *I use FAR these days, which basically means completely replacing every spaceplane and rocket you ever designed to account for its much more realistic aerodynamics. with a thrust vectoring range of only 3 degrees. I wasn't expecting so many excellent answers! I don't have that cockpit in my career game yet, but maybe it will work with the other one. This thread is quite old. I don't have that other stuff yet. When added to a plane it allows tuning of the controls vs speed/altitude/G load/other factors. High altitude planes - Kerbal Space Program Forums (Actually, four ways: but balloons aren't in the stock game) Lifting surfaces are great but they lose effectiveness just as fast with altitude as drag falls. I also had problems with a high altitude plane until I decided to follow the K.I.S.S. alternatively, combine a liquid fuel rocket into your plane. Let me. Its an approximation missing someelements. Powered by Invision Community. Cheers again fellas. I currently have a contract where I'm asked to take crew reports at certain spots on Kerbal at an altitude of 18,000m. Air Flow: Air Flow represents with how much force air passes the turbine (notice: different amounts of air at the same speed equals in different amounts of force!). June 3, 2022 . Designing a High Altitude Jet | KSP: Making Space Home Mike Aben 24.8K subscribers Join Subscribe 85 Share 3.4K views 1 year ago Ep. Best altitude to fly a plane? - Kerbal Space Program - GameFAQs Air Intake) and how fast your aircraft ultimately flies (air resistance/altitude)! Even better, burn a little more, and you can pop out of the atmosphere for a bit and avoid all that nasty drag stuff. Make sure you've angled your wings up slightly so that you provide enough lift for a 0 angle of attack at top speed. If it's below the cross-hairs, you need a little more AoA. KSP - High Altitude Aircraft - YouTube Since gravity is effectively lower, they don't need as much wing area to maintain altitude-- which, in turn, means less drag, which makes for more efficient flight. Designing a High Altitude Jet | KSP: Making Space Home And how many km can I expect to get per v (as calculated by Engineer redux Kerbin atmospheric stats, I know this is weird with planes)? In this chapter, you ll learn about the Space Plane Hangar, a building that forms part of the Kerbal . - Insane lift to weight didn't help. 3.) In addition to the traditional giant tube of explosions that flings things up high approach, Kerbal Space Program includes a very useful piece of equipment that became quite popular in the 20th century: wings.. . http://kerbalspaceprogram.com, Press J to jump to the feed. Along with rockets, planes are one of KSP's most commonly referenced kinds of vessel, and are a vessel type . I checked the wiki before I wrote my question, it seems I overread this paragraph Something that I think has become less clear since someone updated the wiki. 101 kPa 1 atm Scale Height 5000 m Atmospheric Height 69 077.553 m 1.010-6 atm Minimum Temprature -40.19 C 232.96 K Maximum Temprature 20 C 293.15 K Oxygen Present Yes Contents 1 Kerbin 2 Topography 3 Kerbal Space Center 4 Atmosphere 4.1 The Troposphere 4.2 The Stratosphere 4.3 The Thermosphere 4.4 The Exosphere 5 The Kerbin System 5.1 The Mun I'm trying to build a high altitude plane and have found out that the rules are different. From my observations I can say that "Efficiency" is not a good indicator of how well your engine performs. probably the easiest place to land in the system as terminal velocity is survivable for a craft less kerman. [Solved] 30 20 / This works, but it's not optimal. Incidentally, for these speeds and altitudes, ordinary jets are the better choice. and our Reddit and its partners use cookies and similar technologies to provide you with a better experience. So the faster you go the higher you can fly where there is less drag. Spaceplane - Wikipedia Note that you need to activate the afterburner ("Wet Mode") manually. Basically there are two things that limit your maximum speed: thrust and speed of sound and with that your maximum altitude. Clear editor. Is there a single-word adjective for "having exceptionally strong moral principles"? Pasted as rich text. The returns are diminishing so eventually you will hit a ceiling. As high and fast as you can go without engine flameout: preferably ~2000 m/s at 25-30 km (and yes, that's almost orbital velocity). There are no requirements as far as size or power are concerned, as the AI Pilot is capable of flying pretty much anything - from tiny scout planes to oversized freight craft. Is it correct to use "the" before "materials used in making buildings are"? That annoys me but I can't seem to get a design to make it work. Most efficient cruise altitude for jet planes? : r/KerbalSpaceProgram She has a horrible turn rate and oscillates a couple of thousand meters at cruise, but it's flyable. What am I doing wrong here in the PlotLegends specification. But maybe your patience? Your previous content has been restored. I start with the normal jet engines (which takes almost the complete runway). Have you checked out the wiki yet? The Inland Kerbal Space Center itself, being in effect the old Kerbal Space Center from 0.2. This lowers their effective "weight"-- for example, a craft flying at 1400 m/s on Kerbin is effectively flying as if gravity were only 2/3 of its actual value. These designs are great for getting around Kerbin quickly, but without going orbital. Range with this method is pretty short due to drag. FAR is supposed to take aspect into account, but I'm not very experienced with it and cannot advice you as to how it works. However, I've failed to build a vehicle to achieve this (without a hundred retries). Thanks. Jet engine - Kerbal Space Program Wiki Since turbos are almost always enough to get you off the ground and up to altitude, I usually just do straight turbojets (with some RAPIERs for SSTO spaceplanes); the minute amount of fuel saved during the ascent isn't worth lugging those superfluous engines around at the hypersonic regime. For all your gaming related, space exploration needs. high-1 A Screenshot of Kerbal Space Program By: miklkit This is the current version. It will be expensive and time consuming. The main body is a fuel tank with a Swivel engine at the end. A little while back I spent a long time trying to circumnavigate Kerbin on the least liquid fuel possible (i posted the record to the sub: 254 units of fuel. AoA built into the wing relative to the plane body is called the angle of incidence, just to help clear up. Aircraft can be very temperamental to fly, especially on the keyboard. Your previous content has been restored. If you have an account, sign in now to post with your account. To get higher with the low tech jet engines, you need rocket assist. Immediately starting rocket engines at full throttle turned out to make most of my aircrafts totally unstable, turning them up gradually worked way better. At altitude the nose goes up and down until it goes out of control. Here's my example of dealing with the situation. TroubleshootingMechJebPVG - KSP-RO/RP-0 GitHub Wiki Jets drop thrust at higher altitude and speed, but also drop . The easiest "default" way to build a plane in KSP-- i.e. Paste as plain text instead, Something that I think has become less clear since someone updated the wiki. But since when do Kerbals wait for ideal conditions? 3x06: I design a new, high altitude, jet to collect high atmospheric science. Sustained flight at over 20km requires at a minimum the Panther in Afterburning mode. Note: Your post will require moderator approval before it will be visible. So long as there's only one high-altitude measurement to take, you should be able to complete a whole set of 3-4 in one flight. Kerbal Space Program Jool Landing Youtube. So that means that even if you are inside the atmosphere but still orbital (such as during aerobraking), your science will not count as "Inside the atmosphere", For example, orbiting Kerbin above 250km altitude, your science is counted as "In Space High over Kerbin." Rockets aren t the only way to get to space. New comments cannot be posted and votes cannot be cast. Which is capable of high altitude, high speed flight. Let me share what I know about jet engines, speed, and efficiency. Highest and fastest possible is best. I generally don't fuss with AoI unless I'm making a long range cruiser. Please consider starting a new thread rather than reviving this one. They always seem to lose power at about 15km, but I'm wondering if there's something I can do to fix that. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Been a while since I've flown stock*, but I've heard that, for maximum efficiency, you want one turbojet for every 7.5 tons, and about four ram intakes for each turbojet. Ideally, you'll want to avoid these contracts until you get the High-Altitude Flight tech node and the improved jet engine that comes with it. So Pvt. In my case, it brought me to 20km up at a 45-degree angle, but it is probably not optimal. In the main KSP settings menu you should set the default throttle to 1.0 (technically the above mechjeb setting winds up restoring the default throttle, so it needs to be 1.0) In the attitude adjustment menu make sure you are using the "better controller" Whack the 45 degree phase margin button Whack the restore all other defaults button You could try combining the two. Don't rely on the efficiency indicator! KSP also tends to have very harsh induced drag if angle of attack gets too high. Slap that behind a plane you'll be able to go beyond 20km without any trouble. The Kerbal Space Program subreddit. That would argue for going as high as possible, as slow as possible, but apart from drag you also have to fight gravity. i dont know what kind of range youre looking for but i would make a significantly smaller plane. Why is there a voltage on my HDMI and coaxial cables? General Electric F-404 Afterburning Turbofan, Stratus-V Cylindrified Monopropellant Tank, Kerbodyne KR-2L+ "Rhino" Liquid Fuel Engine, LFB KR-1x2 "Twin-Boar" Liquid Fuel Engine, T-1 Toroidal Aerospike "Dart" Liquid Fuel Engine, S1 SRB-KD25k "Kickback" Solid Fuel Booster, IX-6315 "Dawn" Electric Propulsion System, AE-FF1 Airstream Protective Shell (1.25m), AE-FF3 Airstream Protective Shell (3.75m), PB-NUK Radioisotope Thermoelectric Generator, https://wiki.kerbalspaceprogram.com/index.php?title=J-404_%22Panther%22_Afterburning_Turbofan&oldid=95515. Using indicator constraint with two variables, Is there a solution to add special characters from software and how to do it. Display as a link instead, Double your speed, you need twice as much fuel. Evidence. Long distance airplane flight tips? - Kerbal Space Program Forums Beginner's Guide: Tips and Basics - Kerbal Space Program 2 Wiki Guide - IGN Make sure you have lots of control surfaces because at very high in the atmosphere, there's not much air for the wings to control the craft with. You can halve the drag by climbing a bit less than 3500m. Due to the lower air pressure at higher altitudes its thrust output decreases accordingly. Whiplash is the engine you would want to use on a plane meant to go 20km. Basically I can hit a target altitude of 20,000m but can not maintain it. Or try using SRBs instead. 3x06: I design a new, high altitude, jet to collect high. Anyway thanks in advance. a screenshot of kerbal space program 2. by: lord bird. KSP doesn't care (much) about aspect ratio; the total lift is the same regardless of configuration. Third, which I haven't given a good try, would be a carefully-timed deorbit maneuver so you come down through your desired location as you fall from space. Thanks for the help! I've since shaved that down more but that was by going even higher and even faster). Powered by Invision Community, Thanks, I'll go try to stuff a few extra turbojets and intakes on my plane, I was generally under the impression that basic jets were mostly deadweight on high-performance aircraft: [] at hypersonic velocities. Yes, although they have only been flown with nearly full tanks. - Insane TWR didn't help. The Panther engine can hold 19,000 steady and oscillates around 20,000. I only seem to be able to make planes that can fly a bit below that altitude and then temporary rise to it. Download (104.45 MiB) License: CC BY-NC-SA 4.0 Game Version: 1.8.1 Downloads: 371,115 Author: blackheart612 Mod Website: Forum Thread Support this mod: Donate Followers: 626 Outdated Mod This mod is not known to work with the latest version of Kerbal Space Program. I've been trying my hand at some High altitude speedy planes for a while now, but can't seem to get a hang of the altitudes that each engine likes, I know kerbal isn't earth, so looking up the crushing altitude of say the sr71, doesn't seem to apply, but I was hoping that others experiences would help me. So now to come to an end: from my experience I'd say for a medium sized aircraft it is best to fly between 12-13 km. Pretty often, the tail "wiggled" and/or the plane became totally unstable when I fired the rocket boosters. This means it is better to have excessive amounts of oxygen than not to. Your airspeed is mostly limited by terminal velocity; you can go much faster if you climb a little higher. Imagine that first plane but with the bubble cockpit and the old style round intakes. You may be correct and that 3 engine plane is a lemon. KSP Quick Guides: High Altitude Design and Flying - Stock v.23 Best way to get down into thicker air and land is to perform what dogfighters called a 'Split-S'. What you should be concerned about is atmospheric drag, and that's minimized by high-altitude flight. Planes and Altitude differences. :: Kerbal Space Program General If too much air runs into the turbine, the excessive amount just flows out unused through side-vents (I think). With only panthers unlocked I might add. There's basically three ways to do that: lifting surfaces, thrust, and orbiting. Either finish the low-altitudes and then spend all your fuel on the high-altitude boost, or do the boost first and save a little fuel or try to hit the rest through unpowered gliding. With the tanks disconnected that way, the rockets don't leach from the jets. This way control surface max deflection can be programmed by an aircraft designer to make . The Boeing X-37, also known as the Orbital Test Vehicle (OTV), is a reusable robotic spacecraft. Using very light "engine rich" planes and "reverse swooping" (building velocity at 10km then gently curving up) you can temporarily get above 20km with Wheesely and Juno. Though I'm still working on learning to be better at space planes. Each stage of the rocket has a delta-v that depends on the stage fuel mass and the engine specific impulse. Not only does it conk out at high altitudes, but also it conks out at high speeds, and you need to be able to go fast to fly up high. The maximum cruise altitude is just over 40,000 feet. Slap that behind a plane you'll be able to go beyond 20km without any trouble. If your using NEAR/FAR, once you get high and fast, kill the engine and glide to save fuel. Listen to this guy, don't go much farther above 15000 with high altitude engines. high altitude flight :: Kerbal Space Program General Discussions Build a plane or rocket for Kerbal high altitudes, We've added a "Necessary cookies only" option to the cookie consent popup, Screenshot of the Week #85 [Submissions Closed - Vote Now!]. Please consider starting a new thread rather than reviving this one. At 3500m, you have half the drag you'd have at the surface; at 7km, 1/4 the drag, at 10.5km, 1/8 the drag, etc. All the information you could want to know about science, including the altitudes for each celestial body, and what altitudes a given experiment works on are available at: http://wiki.kerbalspaceprogram.com/wiki/Science. The benefits should be obvious. Using very light "engine rich" planes and "reverse swooping" (building velocity at 10km then gently curving up) you can temporarily get above 20km with Wheesely and Juno. If that's all a case of Too Many Words, think of it this way: Suppose you just build a plane the "default" way and don't put any. The other thing to bear in mind is that tuning the AoA (angle of attack) of your wings makes a difference. Clear editor. Can't remember where I saw/read about it - Scott Manley maybe? You can do that by right-clicking the engine and clicking "Toggle Mode." Will post my results. A full suite of flaps on the trailing edges of the main wings give it exceptional low-speed lift, and small hydroplane steps mounted on each side of the fuselage bottom help lift it out of the water (lowering water drag) during takeoff runs. But. The best answers are voted up and rise to the top, Not the answer you're looking for? high-2 A Screenshot of Kerbal Space Program I got this game so I could over-engineer rockets, so I mostly ignore the airplanes. At this point the plane plummets, but as it goes deeper into the atmosphere, it regains pitch authority, and at 10km it's enough to regain control and turn it around for a safe landing. High altitude (~20km) possible with normal plane engines? Should i add a larger wing area for higher lift? I don't recall if they model aspect ratio, but either way, the struts are murder and the delta wing has so much more wing that it'll still have more lift. Or you need to put a little bit of angle of incidence in your wings, which will reduce drag since you don't have to pitch the entire plane up, but will be stuck at a fixed angle meaning you'll have to pitch up or down anyway during certain phases of the flight that the plane isn't optimised for. How do I install mods for Kerbal Space Program 1.1? You do get certain inertial and lever-arm effects, but those aren't really relevant to 'do I have enough lift to stay up'. All other versions are slower and lower and unstable in turns. So, to correct " is below crosshairs", what you need to do is to add a little AoA to the wings. ksp high altitude plane. I'm in career mode and got all groups of the 45-science-cost level, except Flight Control, and additionally have Electrics, Heavy Rocketry and Fuel Systems. Upload or insert images from URL. Alternatively, you can assign the afterburner toggle (labelled "switch mode") to an action group if you wish to activate it with a hotkey. If you enter the Mun's SOI, it immediately counts as "In Space High over Mun" until you get below 60km Mun altitude. If you upgrade to the panther (or get one on a contract) that engine can get you much higher.
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