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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)? I would like to know which altitude I have to maintain for my experiments. I also set it to enable the cockpit's reaction wheels to improve control at high altitude, and close air intakes to reduce drag. High altitude (~20km) possible with normal plane engines? 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. Cookie Notice All rights reserved. Your decreased flight time means you probably won't make it to your location. Use the reaction wheel to hold your attitude slightly nose down as you float down and you can guide yourself like a paraglider. EDIT: Essentially, make like an SR-71, if an SR-71 didn't have cooling problems limiting it to Mach 3.4. I've added more engines, more intakes to no avail. I don't have any exact numbers for you, but you can right-click an engine in flight and it will show both current and optimal airflow, which should hopefully let you work out the best altitude. 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. This page was last edited on 22 December 2019, at 20:54. Once you're at that regime, you should be able to cover huge distances on tiny amounts of fuel. Have a plane that ditches its wings and rockets up to 18km once you reach the right point. 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. Most efficient cruise altitude for jet planes? : r/KerbalSpaceProgram The J-404 "Panther" Afterburning Turbofan is a jet engine added in version 1.0.5. When I say ", You know you've nailed it correctly if, when you're in level flight, your. The Rapier, for example, works great as a high-altitude engine, precisely because it can go so fast. 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. From my experience using a panther it starts to lose speed after 15-16 kms, a more suitable cruising height is 9-13km. *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. The benefits should be obvious. KSP - High Altitude Aircraft 16,702 views Jan 22, 2016 172 Dislike Share Save Phoenix Fleet Systems 222 subscribers Have a type of atmospheric craft you'd like to see me experiment with? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Highest and fastest possible is best. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Hello there. At about 400-500m/s (~15km), the two engines are even. I'm in career mode (have the turbofan engine) and trying to get some science readings for a mission at a high altitude. Is there a single-word adjective for "having exceptionally strong moral principles"? All trademarks are property of their respective owners in the US and other countries. 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. Press question mark to learn the rest of the keyboard shortcuts. The longest flight got them down to a little more than half full. For all your gaming related, space exploration needs. How do I align things in the following tabular environment? 2022 Take-Two Interactive Software, Inc. 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. By climbing, you reduce drag, exponentially with altitude. Is it possible to get to an altitude of 16-20km with normal plane engines? 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.. Let me. Proceed with caution. That annoys me but I can't seem to get a design to make it work. 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). 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. Kerbal Space Program ( KSP) is a space flight simulation video game developed by Mexican developer Squad for Linux, OS X, Windows, PlayStation 4, PlayStation 5, Xbox Series X/S and Xbox One. Are you using Stock or NEAR/FAR? I didn't try for 20000m as it probably wouldn't do well. Fighting oscillations. These are the building blocks of solid spaceplane design!Subscribe! That's sub-optimal, because having the fuselage pitched like that means it'll have more drag than it otherwise would have. It is stable but can not maintain altitude. . Press question mark to learn the rest of the keyboard shortcuts. In the stock atmosphere, the benefits of moving faster outweigh almost everything else. Planes in Space. Then I increase throttle until about 2/3 or even full, climbing with a high inclination (it can also go straight up). Why do small African island nations perform better than African continental nations, considering democracy and human development? 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. 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. If you have an account, sign in now to post with your account. Sideslip handling. 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 . principle. Any advices for building a vehicle for this task? Basically you just need to fiddle with it and try some test flights. - Inside the atmosphere works the same way, except you need to be on an suborbital trajectory. Simply changing the intakes made it fly completely out of control and impossible to land. 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. http://kerbalspaceprogram.com, Press J to jump to the feed. 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). This means it is better to have excessive amounts of oxygen than not to. Don't worry about Isp. It'll probably be more efficient with more intakes, but I wouldn't increase the number of engines. Running the 60U engine at about 40U seems to give me a good balance between reduced drag and air intake. 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. (Disclaimer: I've never used FAR myself; all of the above is based on my experience with stock aerodynamics. However, I've failed to build a vehicle to achieve this (without a hundred retries). TLDR: You need parts you don't have to make a plane that flies that high. Should i add a larger wing area for higher lift? rev2023.3.3.43278. 1 Pod outside the level 3 VAB. Spaceplane - Wikipedia The most efficient way is, of course, to make a high altitude (or space) plane. Delta-V is the velocity change necessary to perform orbital maneuvers. if you just go into the SPH, slap together some parts like Legos, and go-- is to attach them with zero AoA. Typically, I watch my Apoapsis as I boost to the high altitude, and there's enough momentum to coast to the peak before completely running out of fuel. KSP Delta-V Calculator - KSP HOW TO CALCULATE DELTA-V That will probably allow you to fly comfortably above 20-25km (or higher, depending on the overall mass of your aircraft). This way control surface max deflection can be programmed by an aircraft designer to make . Information Changelog Stats 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. Best altitude to fly a plane? - Kerbal Space Program - GameFAQs It is somewhat slow but very steady in flight. Minimising the environmental effects of my dyson brain, Theoretically Correct vs Practical Notation. Best way to get down into thicker air and land is to perform what dogfighters called a 'Split-S'. edited 6 yr. ago. Thankyou all, I now reckon I have a much better understanding of the engines, hopefully that'll translate to better aircraft. That's because wings need to have some AoA to the airstream in order to generate much lift. 3x06: I design a new, high altitude, jet to collect high atmospheric science. 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. ksp high altitude planebad bunny tour 2022 tickets ksp high altitude plane. Slap that behind a plane you'll be able to go beyond 20km without any trouble. Listen to this guy, don't go much farther above 15000 with high altitude engines. Pretty often, the tail "wiggled" and/or the plane became totally unstable when I fired the rocket boosters. This makes jets built using this engine considerably more maneuverable. 2/3 (KSP 1.11.2) - YouTube I break out the Mk2 parts and Panther engines to build a better jet that can go higher and faster. Subscribe -. 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. Of course, this thing has very limited range, speed and acceleration because of the extra weight. I generally don't fuss with AoI unless I'm making a long range cruiser. How do i build a high altitude plane? : r/KerbalSpaceProgram - reddit