It is usually best for initial designs to be based on logic and real-world physics and then be prepared to experiment with non-logical alternatives for optimisation. Your engine burns the same amount of jetfuel per second regardless of how high or fast you are! At the equator, sea level temperatures vary between a nighttime low of 9 C and a daytime high of 15 C. All rights reserved. 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!). A jet engine from KSP 0.18 A jet engine is an air-breathing engine which uses onboard liquid fuel and combusts it with the oxygen drawn from the atmosphere. Cheers again fellas. Jet engine - Kerbal Space Program Wiki 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. The best answers are voted up and rise to the top, Not the answer you're looking for? Why do many companies reject expired SSL certificates as bugs in bug bounties? Welcome to the forums. 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. That's because wings need to have some AoA to the airstream in order to generate much lift. Why do small African island nations perform better than African continental nations, considering democracy and human development? 2.) It's also worth noting that this engine has the widest thrust vectoring range of all of the jet engines, with a full 10-degree range in all directions. - Spamming airintakes didn't help. Your previous content has been restored. Air Intake) and how fast your aircraft ultimately flies (air resistance/altitude)! Have you checked out the wiki yet? edited 6 yr. ago. 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. Sideslip handling. Clear editor. ksp high altitude planebad bunny tour 2022 tickets ksp high altitude plane. Air temperatures vary with latitude and time of day. This means it is better to have excessive amounts of oxygen than not to. 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. Delta-V is the velocity change necessary to perform orbital maneuvers. So if you want to make a plane go as fast as possible, you want to minimise both angle of attack and angle of incidence necessary to sustain level flight at your target speed and altitude. You also need to be going very fast to generate adequate lift at high altitudes and unlike the real U-2, you don't need to fear about overspeeding and destroying the plane. 2022 Take-Two Interactive Software, Inc. They always seem to lose power at about 15km, but I'm wondering if there's something I can do to fix that. 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. Pvt. Basically you just need to fiddle with it and try some test flights. - but they were talking about having two intakes/engine. 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. I'd almost expect it to work better in stock since infini-gliders can be done. Please consider starting a new thread rather than reviving this one. Using Kolmogorov complexity to measure difficulty of problems? 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). So I'm pretty darn new to KSP, and my career has barely gotten started, and the jobs for crew observations seem to dominate Even if the air is thin, you can still put out plenty of power if you are shoving enough in with raw speed. Or it can supercruise at three times the speed of an equivalent Wheesley jet (with nearly equal fuel efficiency) at 15,000 m altitude. Technically, any rocket engine is also a jet engine as it forms a high-speed jet of reaction mass. Planes and Altitude differences. :: Kerbal Space Program General Don't worry about Isp. Clear editor. That's sub-optimal, because having the fuselage pitched like that means it'll have more drag than it otherwise would have. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Hello there. Even up there the plane acts squirrely. 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. I also had problems with a high altitude plane until I decided to follow the K.I.S.S. Its an approximation missing someelements. You can post now and register later. KSP Career: Episode 13 - High Altitude Surveys - YouTube Fighting oscillations. Is anywhere a list of the altitude levels (I don't know a better term) available? I wasn't expecting so many excellent answers! The Boeing X-37, also known as the Orbital Test Vehicle (OTV), is a reusable robotic spacecraft. J-404 "Panther" Afterburning Turbofan - Kerbal Space Program This means that the only thing that decides wheter your engines run efficient is determined by how much thrust they produce (opt. 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. Create an account to follow your favorite communities and start taking part in conversations. Mounting a time-limited rescue mission for kerbal inbound to Kerbin. 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. So the faster you go the higher you can fly where there is less drag. Are you using Stock or NEAR/FAR? Press J to jump to the feed. 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. I didn't try for 20000m as it probably wouldn't do well. First off as of .15.1 intakes don't do anything. Well, this game isn't a perfect flight simulator yet, so it will be difficult to figure out. 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. How to make a loop for linear actuator in Kerbal Space Program, Breaking Ground. Which makes this engine ideal for those missions which require doing many science activities above particular altitudes. 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." Building a High Altitude Jet | Stream pt. You can halve the drag by climbing a bit less than 3500m. If it's above the cross-hairs, you need a little less. This can be done with moar boosters or more calculated wing and body design, depending on the aero model you use. Paste as plain text instead, Something that I think has become less clear since someone updated the wiki. 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. ksp high altitude plane. its rather flat but its a solid surface. As you found out, it basically konks out at 15km. Basically I can hit a target altitude of 20,000m but can not maintain it. It'll probably be more efficient with more intakes, but I wouldn't increase the number of engines. The U-2 is probably the highest altitude aircraft still flying. How do i build a high altitude plane? : r/KerbalSpaceProgram - reddit "Whiplash" Turbojet. Thats my problem right now. If you have an account, sign in now to post with your account. Secondly don't think of engines working better at different altitudes, think of them working better with different air intake quantities. That annoys me but I can't seem to get a design to make it work. 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 How can I make money in the new career mode? Thanks for the help! The U-2's published maximum altitude is somewhere above 74,000 feet. But you'll need to unlock: Which cost 300 science. Note that you need to activate the afterburner ("Wet Mode") manually. Information Changelog Stats In the stock atmosphere, the benefits of moving faster outweigh almost everything else. 20 votes, 21 comments. 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. Aircraft can be very temperamental to fly, especially on the keyboard. Laythe - Kerbal Space Program Wiki Note that keeping the plane weight low is critical, only carry a very small amount of fuel. Does a plane consume more fuel if it flies at higher altitudes? Personally, I don't enjoy survey contracts on Kerbin. Best altitude to fly a plane? - Kerbal Space Program - GameFAQs 3x06: I design a new, high altitude, jet to collect high. Thanks, I'll go try to stuff a few extra turbojets and intakes on my plane Do you know how many intakes/turbojet are needed to run in the regime you described? 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. Proceed with caution. Editing Kerbal Space Program save files for KSO, Rasterpropmonitor for Kerbal Space Program. Don't be too surprised if KSP's aero model breaks down in edge cases. [Solved] 30 20 / 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. A well-designed jet with this engine and with the afterburner lit, flown properly, can momentarily climb to 30,000 m altitude.
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