The stratospheric region, where temperature rises as altitude increases, spans the region between the altitudes of 10 km and 22 km. even stranger is that the surface is textured. 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. 3.) I've added more engines, more intakes to no avail. Is there a single-word adjective for "having exceptionally strong moral principles"? 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. 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. And it's stock, unfortunately. Air temperatures vary with latitude and time of day. Why do many companies reject expired SSL certificates as bugs in bug bounties? Best way to get down into thicker air and land is to perform what dogfighters called a 'Split-S'. You can spin around the whole world on just fumes. Listen to this guy, don't go much farther above 15000 with high altitude engines. EDIT: Essentially, make like an SR-71, if an SR-71 didn't have cooling problems limiting it to Mach 3.4. 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. It's Kerbal Space Program v.22! Create an account to follow your favorite communities and start taking part in conversations. 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. From my experience using a panther it starts to lose speed after 15-16 kms, a more suitable cruising height is 9-13km. Yes, you can get into that range with the high end stuff (whiplash engines and ram or shock cone air intakes). I should perhaps start trying out NEAR to get ready of 0.90, though. Press question mark to learn the rest of the keyboard shortcuts. The maximum cruise altitude is just over 40,000 feet. 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. 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. Be aware that heat buildup can gradually become a problem when the afterburners are used in sustained flight. Technically, any rocket engine is also a jet engine as it forms a high-speed jet of reaction mass. So, to correct " is below crosshairs", what you need to do is to add a little AoA to the wings. I started by attaching two LV-909 rocket engines to a regular low-atmosphere plane: In this save, I don't have custom action groups yet, so I'm using the RCS control to toggle between jet and rocket modes. But a rockets can do it. 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. I didn't succeed with his design, though; I always ended up having somehow unstable airplanes. 600+ m/s) and low altitudes (e.g. 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!). I don't have that other stuff yet. TLDR: You need parts you don't have to make a plane that flies that high. I also had problems with a high altitude plane until I decided to follow the K.I.S.S. The Boeing X-37, also known as the Orbital Test Vehicle (OTV), is a reusable robotic spacecraft. Once I'm near or in the target area, I set the throttle to 0 and start the Swivel. Upload or insert images from URL. - "In Space Low" means your craft is inside the "Space Border" altitude and in an orbital path. Well, this game isn't a perfect flight simulator yet, so it will be difficult to figure out. Display as a link instead, with a thrust vectoring range of only 3 degrees. Main goals: Auto-trimming. 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. Your engine burns the same amount of jetfuel per second regardless of how high or fast you are! 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. 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. Imagine that first plane but with the bubble cockpit and the old style round intakes. 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. Cookie Notice 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. edited 6 yr. ago. . Or about the same speed but 1000 m higher. 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. Using indicator constraint with two variables, Is there a solution to add special characters from software and how to do it. Valve Corporation. Challenges By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. It was meant for low altitude flight. No, I think it's correct, unless I've got a brain fart going, here. This is the first version. (Disclaimer: I've never used FAR myself; all of the above is based on my experience with stock aerodynamics. The Rapier, for example, works great as a high-altitude engine, precisely because it can go so fast. 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. Approximately 12km up the main engines stop providing enough thrust to maintain the climb, so it's time to switch to rocket mode. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. If too little air runs into the turbine your combustion chamber will not be able to burn up fuel effectively due to the lack of oxygen. Have you checked out the wiki yet? 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). 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. Or it can supercruise at three times the speed of an equivalent Wheesley jet (with nearly equal fuel efficiency) at 15,000 m altitude. It will be expensive and time consuming. Should i add a larger wing area for higher lift? There is no such thing as "so high radar can not detect it", since radar can detect things in outer space. Once it's in the air, it's stable and easy to fly and manages to fly at altitudes between 11k 12k without problems. 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 air) that high up. Note that keeping the plane weight low is critical, only carry a very small amount of fuel. Any advices for building a vehicle for this task? You could try combining the two. However, I've failed to build a vehicle to achieve this (without a hundred retries). Additionally please know that .16 will feature new code that will change the way space planes work in every aspect. Personally, I don't enjoy survey contracts on Kerbin. If you enter the Mun's SOI, it immediately counts as "In Space High over Mun" until you get below 60km Mun altitude. All other versions are slower and lower and unstable in turns. Thank you, I was able to reach up to 24km altitude with this design. You cannot paste images directly. The idea is to slow the plane to a stall above your landing spot the pop the parachute. Is it correct to use "the" before "materials used in making buildings are"? Can't remember where I saw/read about it - Scott Manley maybe? Pvt. That will unlock: "Whiplash" Turbojet Which is capable of high altitude, high speed flight. Thanks for the help! There's basically three ways to do that: lifting surfaces, thrust, and orbiting. You can post now and register later. The second, Wet mode, uses the afterburner to produce thrust almost equal to the J-X4 "Whiplash" Turbo Ramjet Engine, but at a considerably reduced fuel efficiency. Which makes this engine ideal for those missions which require doing many science activities above particular altitudes. A well-designed jet with this engine and with the afterburner lit, flown properly, can momentarily climb to 30,000 m altitude. The U-2 is probably the highest altitude aircraft still flying. Arqade is a question and answer site for passionate videogamers on all platforms. KSP also tends to have very harsh induced drag if angle of attack gets too high. I've been finding it difficult to build a jet that can fly over 15km alt. When I say ", You know you've nailed it correctly if, when you're in level flight, your. 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. 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. Redoing the align environment with a specific formatting, Trying to understand how to get this basic Fourier Series. Slap that behind a plane you'll be able to go beyond 20km without any trouble. 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 engines will use very little at high altitude anyway). Is it even possible? You need to do it with what you've got. 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

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