edited 6 yr. ago. 3x06: I design a new, high altitude, jet to collect high atmospheric science. How do I install mods for Kerbal Space Program 1.1? CONTROLABLE plane for ~20km altitude? :: Kerbal Space Program General 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. Use the reaction wheel to hold your attitude slightly nose down as you float down and you can guide yourself like a paraglider. rev2023.3.3.43278. Pasted as rich text. Once it's in the air, it's stable and easy to fly and manages to fly at altitudes between 11k 12k without problems. i recently used a single whiplash plane and was able to maintain a stable 21-22k meter altitude. But. KSP doesn't care (much) about aspect ratio; the total lift is the same regardless of configuration. At sea level, it produces 120 kn thrust, but at 15 km altitude, it only produces 13.7 kn of thrust, barely enough to provide any thrust to climb higher, Long and narrow wing has less surface area to provide lift, and at higher altitude, the atmospher is so thin that the lift generated by long and narrow wings is insufficient for sustainable flight. Planes in Space. This means it is better to have excessive amounts of oxygen than not to. That would oscillate slowly between 16000m and 17000m but was otherwise fully controllable. Let me. Please consider starting a new thread rather than reviving this one. But a rockets can do it. 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)? Isn't that backwards snark? 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. 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. Kerbal Space Program Jool Landing Youtube. Or it can supercruise at three times the speed of an equivalent Wheesley jet (with nearly equal fuel efficiency) at 15,000 m altitude. Note: Your post will require moderator approval before it will be visible. EDIT: Didn't notice you were using FAR. You could try combining the two. I would like to know which altitude I have to maintain for my experiments. 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. The high performance engine for me performs pretty good till about 15000 meter. Due to the lower air pressure at higher altitudes its thrust output decreases accordingly. The thrust of jets (turbo or otherwise) depends on airspeed: basics deliver more thrust at low speeds, while turbojets only really come into their own when you fly very fast (which also means flying very high, 20km and over). http://www.youtube.com/user/Cruzanak?sub_confirmation=1Quicklinks to topics in this videoJet Engine Concepts: 0:30Air Intakes: 1:13Flameouts: 2:22Control Surfaces: 5:08Flying Tips: 5:57This video will go over everything that you need to know about to design a capable plane that can fly in the thinnest of atmospheres. Display as a link instead, How do you get out of a corner when plotting yourself into a corner. Though I'm still working on learning to be better at space planes. Valve Corporation. Cookie Notice 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?). I was hoping that the new intakes would give it the added altitude. Designing a High Altitude Jet | KSP: Making Space Home Rockets aren t the only way to get to space. First off as of .15.1 intakes don't do anything. Your previous content has been restored. Air Intake) and how fast your aircraft ultimately flies (air resistance/altitude)! You are simply running out of atmosphere (i.e. 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. KSP Career: Episode 13 - High Altitude Surveys - YouTube I've since shaved that down more but that was by going even higher and even faster). KSP Quick Guides: High Altitude Design and Flying - Stock v.23 Stoober AK 3.32K subscribers Subscribe 21K views 8 years ago This tutorial will cover designing and flying a plane that can soar. Control Sensativty for Planes - KSP2 Suggestions and Development To avoid running out of fuel altogether, I have a second plane with small tanks (no oxidizer) attached directly to the jet engines, and the rockets attached behind the fuselage, which is entirely oxidized tanks. Anyway thanks in advance. Planes and Altitude differences. :: Kerbal Space Program General even stranger is that the surface is textured. For all your gaming related, space exploration needs. 2022 Take-Two Interactive Software, Inc. Just sounds like the engines can't get enough air, in KSP high speed also generates air intake so I'm guessing what is happening is that you have the initial speed to get to altitude but the lack of air at altitude is starving the engine resulting in lower speed which further reduces air intake and it cascades until either the engine shuts down or you return to denser atmosphere at a lower altitude. @SaintWacko's advice is probably the most practical. Range with this method is pretty short due to drag. Remembering the FW TA152 and the U2 I put long wings on it and while its turn rate makes an airliner look like a fighter plane it is stable enough at 19000m. - "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. 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. Thats my problem right now. I was even able to do this with three pairs of Junos instead of the large jet engine pair (I don't have the technology level for that). Are you using Stock or NEAR/FAR? More air is better. 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, although they have only been flown with nearly full tanks. 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. These are the building blocks of solid spaceplane design!Subscribe! high-1 A Screenshot of Kerbal Space Program By: miklkit This is the current version. Build a plane or rocket for Kerbal high altitudes - Arqade Air temperatures vary with latitude and time of day. Here's Mr. Manley using it in his tutorial: @Pvt.Grichmann: I think it's at specific locations on Kerbin, not just anywhere above 18km. Very cool. Something that I think has become less clear since someone updated the wiki. I generally don't fuss with AoI unless I'm making a long range cruiser. The SR-71 could probably fly higher, but it isn't flying any more. Main goals: Auto-trimming. What plane in existence can fly at the highest altitude, and - Quora For example, the RAPIER engine doesn't seem as the first choice as the "best" high altitude air-breathing engine but in long-distance and high-altitude challenges it is. Using Kolmogorov complexity to measure difficulty of problems? I don't have that cockpit in my career game yet, but maybe it will work with the other one. 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 To get higher with the low tech jet engines, you need rocket assist. Press question mark to learn the rest of the keyboard shortcuts. That's all true, but just read the OP: hypersonic appears to be completely out of the question. Most efficient cruise altitude for jet planes? : r/KerbalSpaceProgram high-2 A Screenshot of Kerbal Space Program 1 Pod outside the level 3 VAB. This way control surface max deflection can be programmed by an aircraft designer to make . Have you checked out the wiki yet? Aircraft can be very temperamental to fly, especially on the keyboard. 4. Planes in Space - The Kerbal Player's Guide [Book] The Boeing X-37, also known as the Orbital Test Vehicle (OTV), is a reusable robotic spacecraft. If it's above the cross-hairs, you need a little less. Delta-V is the velocity change necessary to perform orbital maneuvers. Note: Your post will require moderator approval before it will be visible. Dedicated to the growth and advancement of amateur rocket scientists! In KSP2, you are a rocket scientist who must build and test rockets, spaceships, and planes. You can post now and register later. 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. When I say ", You know you've nailed it correctly if, when you're in level flight, your. FBW uses three controllers - pitch, roll and yaw. 2022 Take-Two Interactive Software, Inc. Make sure we're on the same page with terminology. Ok, the panther engine is still not good enough. 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. This page was last edited on 22 December 2019, at 20:54. This means that the only thing that decides wheter your engines run efficient is determined by how much thrust they produce (opt. Minimising the environmental effects of my dyson brain, Theoretically Correct vs Practical Notation. 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. So I'm pretty darn new to KSP, and my career has barely gotten started, and the jobs for crew observations seem to dominate Of course, this thing has very limited range, speed and acceleration because of the extra weight. The longest flight got them down to a little more than half full. Approximately 12km up the main engines stop providing enough thrust to maintain the climb, so it's time to switch to rocket mode. Editing Kerbal Space Program save files for KSO, Rasterpropmonitor for Kerbal Space Program. I tried building a plane but can't climb higher than about 11,000m (I don't have many plane parts yet, though). 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. You do get certain inertial and lever-arm effects, but those aren't really relevant to 'do I have enough lift to stay up'. Mounting a time-limited rescue mission for kerbal inbound to Kerbin. You can post now and register later. 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. 2.) Have a plane that ditches its wings and rockets up to 18km once you reach the right point. Delta-v budget - Wikipedia - but they were talking about having two intakes/engine. 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. alternatively, combine a liquid fuel rocket into your plane. 600+ m/s) and low altitudes (e.g. I looked into the .cfg files and there are no special properties allocated to them. GitHub - Boris-Barboris/AtmosphereAutopilot: Plugin for Kerbal Space Your engine burns the same amount of jetfuel per second regardless of how high or fast you are! Please consider starting a new thread rather than reviving this one. If it's below the cross-hairs, you need a little more AoA. Welcome to the forums, ZDW. a screenshot of kerbal space program 2. by: lord bird. 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. The sweet spot for the upper atmo engines, I find, is between 10k and 12k. Paste as plain text instead, Check out the website and try the game out for yourself :Dhttps://kerbalspaceprogram.com/ 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. List of altitude levels? - Forums - Kerbal Space Program Forums Maneuver node plans don't take drag into account, so you'll have to overshoot quite a bit to compensate. Note that you need to activate the afterburner ("Wet Mode") manually. Paste as plain text instead, In this case lots of fuel is the wrong approach, I can get more than half way around Kerbin on 2 cans of Jet Fuel and a turbojet if I glide most of it. As I understand, the OP wanted "the most efficient way to fly", and simply needed a bit of help in realizing that that is a hypersonic, high-altitude, high-performance aircraft which is a RAPIER and a little oxidizer away from being an SSTO spaceplane. Once I'm near or in the target area, I set the throttle to 0 and start the Swivel. However, I've failed to build a vehicle to achieve this (without a hundred retries). How to make a loop for linear actuator in Kerbal Space Program, Breaking Ground. Whiplash is the engine you would want to use on a plane meant to go 20km. I also had problems with a high altitude plane until I decided to follow the K.I.S.S. This thread is quite old. 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. J-404 "Panther" Afterburning Turbofan - Kerbal Space Program KSP Delta-V Calculator - KSP HOW TO CALCULATE DELTA-V Really. Put a couple of radial mount parachutes just above the com and add a reaction wheel. 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). Using indicator constraint with two variables, Is there a solution to add special characters from software and how to do it. Keep in mind that wheesley engine's performance decreases significantly as the altitude increases. You can halve the drag by climbing a bit less than 3500m. Please consider starting a new thread rather than reviving this one. It flames out at 25,000. High altitude planes - Kerbal Space Program Forums Unfortunately I won't be able to test it today, but @SaintWacko's proposal sounds promising. Proceed with caution. Upload or insert images from URL. At about 400-500m/s (~15km), the two engines are even. Then it is "In Space Low over Mun.". 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 Each stage of the rocket has a delta-v that depends on the stage fuel mass and the engine specific impulse. 1Altitude requirement 2Orbit 3Speed, range, and altitude 4Flight duration 5Flight profiles 5.1Ballistic missiles 5.2Tourist flights 5.3Scientific experiments 5.4Sub-orbital transportation 6Notable uncrewed sub-orbital spaceflights 7Crewed sub-orbital spaceflights 8Future of crewed sub-orbital spaceflight 9See also 10References That will probably allow you to fly comfortably above 20-25km (or higher, depending on the overall mass of your aircraft). 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. The Inland Kerbal Space Center itself, being in effect the old Kerbal Space Center from 0.2. Most SSTO space planes would be able to accomplish this easily. Unfortunately, most space plane designs are impossible (or at the very least impractical) at your current tech level. Trying to do something without the right part is long and difficult path. Building a High Altitude Jet | Stream pt. 2022 Take-Two Interactive Software, Inc. The maximum cruise altitude is just over 40,000 feet. Display as a link instead, 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 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. A well-designed jet with this engine and with the afterburner lit, flown properly, can momentarily climb to 30,000 m altitude. You can go above 20km with the J-404 Panther. For more information, please see our i dont know what kind of range youre looking for but i would make a significantly smaller plane. Even better, burn a little more, and you can pop out of the atmosphere for a bit and avoid all that nasty drag stuff. In this chapter, you ll learn about the Space Plane Hangar, a building that forms part of the Kerbal . : : . The most efficient way is, of course, to make a high altitude (or space) plane. It is boosted into space by a launch vehicle, then re-enters Earth's atmosphere and lands as a spaceplane. When added to a plane it allows tuning of the controls vs speed/altitude/G load/other factors. If you have an account, sign in now to post with your account. All rights reserved. "Whiplash" Turbojet. - "In Space Low" means your craft is inside the "Space Border" altitude and in an orbital path. Don't rely on the efficiency indicator! Powered by Invision Community. 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. You are just about at maximum speed and at the same time very close to stall speed. The other one I stay around 6000 meters. 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. The idea is to slow the plane to a stall above your landing spot the pop the parachute. I didn't try for 20000m as it probably wouldn't do well. I'd almost expect it to work better in stock since infini-gliders can be done. Your previous content has been restored. 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. If it's above the cross-hairs, you need a little less. The Panther engine can hold 19,000 steady and oscillates around 20,000. Sideslip handling. Grichman's answer got me in the right direction. If you have an account, sign in now to post with your account. The X-37 is operated by the United States Space Force for orbital spaceflight missions intended to demonstrate reusable space technologies. [Solved] 30 20 / Long distance airplane flight tips? - Kerbal Space Program Forums That's sub-optimal, because having the fuselage pitched like that means it'll have more drag than it otherwise would have. 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. Because of the exponential nature of the rocket equationthe orbital rocket needs to be considerably bigger. . By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. My 'plane science' is more advanced than my 'rocket science' (career mode) because I got tired of seeing all the high-altitude missions I had on the books and wanted to finish them. Which lets you go faster, which lets you climb higher. 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!]. 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. Your answer got me in the right direction, though I ended up with a different design (see my own answer). 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. at the very least, you'd need the panther, that'll get you over 16k easily, well to 25k. I got this game so I could over-engineer rockets, so I mostly ignore the airplanes. Or about the same speed but 1000 m higher. Ksp engine altitudes : r/KerbalSpaceProgram - reddit First is thrust; the higher you get, the lower the thrust your engines deliver. with a thrust vectoring range of only 3 degrees. 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. As long a you can fly faster, the lower density at altitude can be compensated for. Make sure you've angled your wings up slightly so that you provide enough lift for a 0 angle of attack at top speed. 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. Best way to get down into thicker air and land is to perform what dogfighters called a 'Split-S'. Kerbal Space Program 2 . Under some circumstances, you may want to reduce the engine gimbal range or disable it altogether, particularly when flying at high speeds (e.g. With the tanks disconnected that way, the rockets don't leach from the jets. But maybe your patience? The Rapier, for example, works great as a high-altitude engine, precisely because it can go so fast. Or is it the same for all celestial bodies? - Spamming airintakes didn't help. (Disclaimer: I've never used FAR myself; all of the above is based on my experience with stock aerodynamics. The returns are diminishing so eventually you will hit a ceiling. Any advices for building a vehicle for this task? Slap that behind a plane you'll be able to go beyond 20km without any trouble. The best answers are voted up and rise to the top, Not the answer you're looking for? Your link has been automatically embedded. The Kerbal Space Program subreddit. Is anywhere a list of the altitude levels (I don't know a better term) available? 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. All trademarks are property of their respective owners in the US and other countries. What are the minimum altitudes for each warp level? 20 votes, 21 comments. It is designed to aid in player-controlled flight on generic (space)plane, providing a soft layer between user joystick\keyboard input and control surface outputs.
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