ksp high altitude plane

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. 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)? 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. Using indicator constraint with two variables, Is there a solution to add special characters from software and how to do it. I don't have the numbers handy, but you can expect something like 400m/s at 15km. However, I've failed to build a vehicle to achieve this (without a hundred retries). Note: Your post will require moderator approval before it will be visible. It will be expensive and time consuming. 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 Yes, you can get into that range with the high end stuff (whiplash engines and ram or shock cone air intakes). i recently used a single whiplash plane and was able to maintain a stable 21-22k meter altitude. Fighting oscillations. 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. You'll notice that usually your prograde marker is slightly below your pitch. I recommend using a solid rocket booster (or 2 or 5) to you get you the altitude and then launch a small rocket powered plane. Is there a single-word adjective for "having exceptionally strong moral principles"? This thread is quite old. As long as the engine gets enough air it will work at proper efficiency. All trademarks are property of their respective owners in the US and other countries. Pasted as rich text. Mounting a time-limited rescue mission for kerbal inbound to Kerbin. - Spamming airintakes didn't help. Don't be too surprised if KSP's aero model breaks down in edge cases. You get tons of thrust if you put it into "wet" mode, but you lose fuel efficiency. Basically there are two things that limit your maximum speed: thrust and speed of sound and with that your maximum altitude. But my guess is that these same general principles would probably apply to FAR, and that all that would change would be the numbers involved. She has a horrible turn rate and oscillates a couple of thousand meters at cruise, but it's flyable. Why that? Cookie Notice But you'll need to unlock: Which cost 300 science. When added to a plane it allows tuning of the controls vs speed/altitude/G load/other factors. I also added a parachute and decoupler since I find it too hard to correctly land this thing yet ;-) I managed to land in the water once, though. I looked into the .cfg files and there are no special properties allocated to them. Should i add a larger wing area for higher lift? New comments cannot be posted and votes cannot be cast. 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. Another problem is jet engines stealing fuel from the rockets' tanks - you may want to pump the fuel manually (requires an R&D centre upgrade) or add some pipes between them. The Rapier, for example, works great as a high-altitude engine, precisely because it can go so fast. No, I think it's correct, unless I've got a brain fart going, here. High altitude flight is efficient because the air is thinner, and therefore aircraft experience less parasitic drag. 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. Clear editor. Sustained flight at over 20km requires at a minimum the Panther in Afterburning mode. I was generally under the impression that basic jets were mostly deadweight on high-performance aircraft: while they are superior for low-speed, low-altitude operations, they become deadweight at hypersonic velocities. 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. high-1 A Screenshot of Kerbal Space Program By: miklkit This is the current version. Ok, the panther engine is still not good enough. Your previous content has been restored. Your link has been automatically embedded. This means that the only thing that decides wheter your engines run efficient is determined by how much thrust they produce (opt. 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. Your previous content has been restored. Most SSTO space planes would be able to accomplish this easily. I currently have a contract where I'm asked to take crew reports at certain spots on Kerbal at an altitude of 18,000m. I don't have that cockpit in my career game yet, but maybe it will work with the other one. Create an account to follow your favorite communities and start taking part in conversations. The other one I stay around 6000 meters. Minimising the environmental effects of my dyson brain, Theoretically Correct vs Practical Notation. Challenges So, to correct " is below crosshairs", what you need to do is to add a little AoA to the wings. Use the reaction wheel to hold your attitude slightly nose down as you float down and you can guide yourself like a paraglider. You can post now and register later. Trying to do something without the right part is long and difficult path. Something that I think has become less clear since someone updated the wiki. Press question mark to learn the rest of the keyboard shortcuts. Have a plane that ditches its wings and rockets up to 18km once you reach the right point. . How do I align things in the following tabular environment? Running the 60U engine at about 40U seems to give me a good balance between reduced drag and air intake. At about 400-500m/s (~15km), the two engines are even. : : . Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 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. Here's my example of dealing with the situation. You cannot paste images directly. rev2023.3.3.43278. 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. They always seem to lose power at about 15km, but I'm wondering if there's something I can do to fix that. With some fins to keep you stable and careful aim, you can hit your desired location and altitude and will have 5-10 seconds to collect data before you hurtle past it and pull your chute. 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!). with a thrust vectoring range of only 3 degrees. 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). The Panther engine can hold 19,000 steady and oscillates around 20,000. Espaol - Latinoamrica (Spanish - Latin America), https://steamcommunity.com/sharedfiles/filedetails/?id=1933948095, https://steamcommunity.com/sharedfiles/filedetails/?id=1933948668, https://steamcommunity.com/sharedfiles/filedetails/?id=1934517923, https://steamcommunity.com/sharedfiles/filedetails/?id=1335577943, https://steamcommunity.com/sharedfiles/filedetails/?id=1640213502, https://steamcommunity.com/sharedfiles/filedetails/?id=1640214586, https://steamcommunity.com/sharedfiles/filedetails/?id=1937826505, https://steamcommunity.com/sharedfiles/filedetails/?id=1937931692. Now I have a plane that will fly around the world at an altitude of the low-20s. Then I increase throttle until about 2/3 or even full, climbing with a high inclination (it can also go straight up). This means it is better to have excessive amounts of oxygen than not to. There's basically three ways to do that: lifting surfaces, thrust, and orbiting. Paste as plain text instead, Or try using SRBs instead. Privacy Policy. Paste as plain text instead, Rockets aren t the only way to get to space. My plane has turbojets and lots of fuel, but I am wondering what the optimal way to fly is. surface of jool. Do plugins for Kerbal Space Program work on unix? its rather flat but its a solid surface. If released at a speed of 700 or more m/s and an altitude of 20 or more km, the satellite will achieve orbit with its second stage mostly full, leaving it with approximately 1600 m/s of delta-V -- enough to achieve lunar or interplanetary orbits and, on small bodies, landings. Highest and fastest possible is best. The flight time won't be as long, but you'll be able to fly a "plane" above 18km. You cannot paste images directly. Things that work at low altitude don't work so well up high and the plane ends up going up and down while slowly losing speed until it can't maintain altitude anymore. If you nudge your wing's angle up slightly with rotate tool then it'll move your prograde closer to your direction of flight and significantly reduce drag. This can make it a good alternative for when you want something that can be controllable and doesn't need excessive heat shielding, but still need to be able to go incredibly fast if necessary, at the expense of increased fuel consumption. Its an approximation missing someelements. Let me share what I know about jet engines, speed, and efficiency. A well-designed jet with this engine and with the afterburner lit, flown properly, can momentarily climb to 30,000 m altitude. Clear editor. But maybe your patience? - Inside the atmosphere works the same way, except you need to be on an suborbital trajectory. What are the altitudes for the various altitude record contracts? In my case, it brought me to 20km up at a 45-degree angle, but it is probably not optimal. 2.) I'm trying to build a high altitude plane and have found out that the rules are different. - Insane lift to weight didn't help. Press J to jump to the feed. The Boeing X-37, also known as the Orbital Test Vehicle (OTV), is a reusable robotic spacecraft. Is it even possible? Connect and share knowledge within a single location that is structured and easy to search. All rights reserved. How to make a loop for linear actuator in Kerbal Space Program, Breaking Ground. You need to do it with what you've got. To get there, you're going to want to climb at the fastest rate you can manage to 18-20 km, at which point you should mostly level off and start accelerating horizontally. Your answer got me in the right direction, though I ended up with a different design (see my own answer). http://kerbalspaceprogram.com, Press J to jump to the feed. Is it correct to use "the" before "materials used in making buildings are"? I've been finding it difficult to build a jet that can fly over 15km alt. @SaintWacko's advice is probably the most practical. Once it's in the air, it's stable and easy to fly and manages to fly at altitudes between 11k 12k without problems. Keep in mind that wheesley engine's performance decreases significantly as the altitude increases. I don't have that other stuff yet. Very cool. Display as a link instead, Is it possible to get to an altitude of 16-20km with normal plane engines? The Rapier, for example, works great as a high-altitude engine, precisely because it can go so fast. Air Intake) and how fast your aircraft ultimately flies (air resistance/altitude)! a screenshot of kerbal space program 2. by: lord bird. Be aware that heat buildup can gradually become a problem when the afterburners are used in sustained flight. It may take some practice to hit your target area this way, because you'll be picking up additional horizontal speed, and thus it's possible to under or overshoot. How do you get out of a corner when plotting yourself into a corner. Once you're at that regime, you should be able to cover huge distances on tiny amounts of fuel. If it's below the cross-hairs, you need a little more AoA. Display as a link instead, There is a very close tolerance to the two speeds. Sideslip handling. So Pvt. Your link has been automatically embedded. If your using NEAR/FAR, once you get high and fast, kill the engine and glide to save fuel. Please consider starting a new thread rather than reviving this one. 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. Dedicated to the growth and advancement of amateur rocket scientists! In the stock atmosphere, the benefits of moving faster outweigh almost everything else. Pasted as rich text. Let me. The best answers are voted up and rise to the top, Not the answer you're looking for? The other thing to bear in mind is that tuning the AoA (angle of attack) of your wings makes a difference. 2022 Take-Two Interactive Software, Inc. Basically I can hit a target altitude of 20,000m but can not maintain it. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Are you using Stock or NEAR/FAR? It was meant for low altitude flight. I have enough patience to do the slow flying, but is it horribly inefficient? Thats my problem right now. 2022 Take-Two Interactive Software, Inc. Make sure we're on the same page with terminology. Also, Valley and Theomon fly to different corners of Kerbin and three mapping satellites are launched. Subscribe - http://www.youtube.com/c/MikeAben?sub-confirmation=1 Patreon - https://www.patreon.com/MikeAbenPatreon supporters receive early, ad-free, access to videos, kOS and craft files, and more. Discord - https://discord.gg/HTvT7dZ Making Space Home Playlist - https://www.youtube.com/playlist?list=PLB3Ia8aQsDKhqoFyoZ4d33MG7rS9KmDm_0:00 - Designing the Dudley Mk16:42 - Test Flights \u0026 Iterating13:45 - Col. Valley take the Seaplane to the Northern Ice Shelf19:30 - Launch \u0026 Insertion of the Maxwell Vb21:04 - Col. Theomon \u0026 Orlin Visit the Badlands in the Panther24:20 - Launch \u0026 Ejection of the Maxwell VI26:34 - Designing the SENTINEL 129:47 - Launch \u0026 Insertion of the Maxwell VIIFull List of Mods: Aviation Lights Chatterer Community Tech Tree Crew R\u0026R Croud Sourced Science Contract Configurator Contract Packs: Bases and Stations Reborn CommNet Relays Exploration Plus Field Research Kerbal Academy Tourism Plus Contracts Window+ Decoupler Shroud Easy Vessel Switch Kerbal Alarm Clock Kerbal Attachment System Kerbal Construction Time Kerbal Engineer Redux Kerbal Inventory System Kerbalism kOS KRASH Maneuver Node Evolved Navball Alignment Indicator Near Future Aeronautics Near Future Construction Near Future Electrical Near Future Propulsion Near Future Solar Near Future Spacecraft Persistent Rotation Rational Resources RCS Build Aid Continued Restock Restock+ SCANsat Scrapyard SMART Parts Stage Recovery Stockalike Station Parts Expansion Redux TAC Fuel Balancer Texture Replacer Trajectories Transfer Window Planner Universal Storage 2 Unkerballed Start Waypoint Manager below 5,000 m), since the engine's extreme maneuverability may allow the aircraft to perform turns sharply enough to break up in flight. With only panthers unlocked I might add. The maximum cruise altitude is just over 40,000 feet. The most efficient way is, of course, to make a high altitude (or space) plane. That's because wings need to have some AoA to the airstream in order to generate much lift. AoA and G-force moderation. 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. Ep. Press question mark to learn the rest of the keyboard shortcuts. I find that a conservative amount is 2 RAM intakes and 2-4 radial intakes per turbojet. Clear editor. and our It may work with stock too, I just don't know. Ksp engine altitudes 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. 3x06: I design a new, high altitude, jet to collect high atmospheric science. KSP also tends to have very harsh induced drag if angle of attack gets too high. You can post now and register later. Yes. Unfortunately, most space plane designs are impossible (or at the very least impractical) at your current tech level. KSP Career: Episode 13 - High Altitude Surveys Mike Aben 28.5K subscribers Subscribe 7.7K views 7 years ago Day 114: A busy day at the KSC with three missions, the highlights being the launch. Or is it the same for all celestial bodies? I also had problems with a high altitude plane until I decided to follow the K.I.S.S. If it's above the cross-hairs, you need a little less. Using Kolmogorov complexity to measure difficulty of problems? To get higher with the low tech jet engines, you need rocket assist. The easiest "default" way to build a plane in KSP-- i.e. Technically, any rocket engine is also a jet engine as it forms a high-speed jet of reaction mass. 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. 600+ m/s) and low altitudes (e.g. 1.) I also set it to enable the cockpit's reaction wheels to improve control at high altitude, and close air intakes to reduce drag. 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. Kerbal Space Program Jool Landing Youtube. Unfortunately, there's no simple rule to tell you what the angle needs to be when you're building the plane-- it depends on lots of variables, such as your weight, drag, intended cruising altitude, intended cruising speed. This is particularly useful for pairs of engines, since this makes it possible to keep the thrust equal when activating the afterburners. - "In Space High" means your craft is inside the given Sphere of Influence and above the "Space Border" altitude listed in the Celestial Body Multiplier Matrix. But. - "In Space High" means your craft is inside the given Sphere of Influence and above the "Space Border" altitude listed in the Celestial Body Multiplier Matrix. The high performance engine for me performs pretty good till about 15000 meter. It flames out at 25,000. 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. Display as a link instead, But a rockets can do it. This can be done with moar boosters or more calculated wing and body design, depending on the aero model you use. The J-404 "Panther" Afterburning Turbofan is a jet engine added in version 1.0.5. I'm in career mode (have the turbofan engine) and trying to get some science readings for a mission at a high altitude. Thanks for asking this, I've been struggling with the same problem in career mode. Also, jets eat fuel at pounds-per-minute -- if you cover twice as much ground in the same time, your plane will be more efficient. 2022 Take-Two Interactive Software, Inc. if you just go into the SPH, slap together some parts like Legos, and go-- is to attach them with zero AoA. 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. Once you're at that regime, you should be able to cover huge distances on tiny amounts of fuel. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Unfortunately I won't be able to test it today, but @SaintWacko's proposal sounds promising. Your airspeed is mostly limited by terminal velocity; you can go much faster if you climb a little higher. Even better, burn a little more, and you can pop out of the atmosphere for a bit and avoid all that nasty drag stuff. If you upgrade to the panther (or get one on a contract) that engine can get you much higher. 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. Is anywhere a list of the altitude levels (I don't know a better term) available? The main body is a fuel tank with a Swivel engine at the end. At that point your engines will be running about .7-.8 efficiency and you will be out of the thicker atmo which will allow you to go faster. 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. Why do small African island nations perform better than African continental nations, considering democracy and human development? This makes jets built using this engine considerably more maneuverable. edited 6 yr. ago. Which lets you go faster, which lets you climb higher. June 3, 2022 . Of course, this thing has very limited range, speed and acceleration because of the extra weight. 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. If you have an account, sign in now to post with your account. How to know if you've nailed it perfectly: when you're cruising in level flight, you want the marker to be precisely centered in your navball cross-hairs. If you've attached them to your fuselage with zero AoA, what that means is that when you fly, you're going to have to have the entire plane pitched slightly above in order to generate lift. I tried building a plane but can't climb higher than about 11,000m (I don't have many plane parts yet, though). You are just about at maximum speed and at the same time very close to stall speed. The longest flight got them down to a little more than half full. The most obvious solution is try and optimize your craft for high altitude lift by giving it long wingspan like a U-2 spyplane. The Inland Kerbal Space Center itself, being in effect the old Kerbal Space Center from 0.2. Valve Corporation. Welcome to the forums. What's the difference between a power rail and a signal line? You do get certain inertial and lever-arm effects, but those aren't really relevant to 'do I have enough lift to stay up'. Your previous content has been restored. The drag differential is because your long-wing layout is using a bunch of struts, and the reason your delta-wing has a higher ceiling is because it has more wing area to provide lift. jet engine efficiency in this game is based on built in thrust curves. The SR-71 could probably fly higher, but it isn't flying any more. 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). Personally, I don't enjoy survey contracts on Kerbin. Maneuver node plans don't take drag into account, so you'll have to overshoot quite a bit to compensate. Will post my results. 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. - "In Space Low" means your craft is inside the "Space Border" altitude and in an orbital path. Once I'm near or in the target area, I set the throttle to 0 and start the Swivel. Or about the same speed but 1000 m higher. Another approach, which I was managing with some success before I figured out jets, is to build a rocket and catapult yourself towards the measurement point. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? However, it seems as if your delta wing has has more area, might that be it? Information Changelog Stats 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. Pasted as rich text. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange Content titles and body; Content titles only Rationale: 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 AoA at all on the wings. Note that KSP planes get one substantial speed benefit that's much more pronounced than IRL aircraft, due to the freakishly small planet sizes: they're actually flying at a large fraction of orbital velocity. EDIT: Essentially, make like an SR-71, if an SR-71 didn't have cooling problems limiting it to Mach 3.4. Which makes this engine ideal for those missions which require doing many science activities above particular altitudes. For all your gaming related, space exploration needs. When you are surrounded by plenty of air there will of course be no need to suck in air artificially but the higher you get the less dense the air around you becomes and in order to make sure that your engines have enough oxygen to burn the fuel it needs to suck air in forcefully. This way control surface max deflection can be programmed by an aircraft designer to make . Reddit and its partners use cookies and similar technologies to provide you with a better experience. 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. So I've created those two planes, both with weasley turbofan engine: This is your problem-- as folks have pointed out, it's not a high-altitude engine.

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