It may work with stock too, I just don't know. its rather flat but its a solid surface. Will post my results. You may be correct and that 3 engine plane is a lemon. She has a horrible turn rate and oscillates a couple of thousand meters at cruise, but it's flyable. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. at the very least, you'd need the panther, that'll get you over 16k easily, well to 25k. It will be expensive and time consuming. Well, this game isn't a perfect flight simulator yet, so it will be difficult to figure out. Due to the lower air pressure at higher altitudes its thrust output decreases accordingly. 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 - Inside the atmosphere works the same way, except you need to be on an suborbital trajectory. 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 . Very cool. Though I'm still working on learning to be better at space planes. Jets drop thrust at higher altitude and speed, but also drop . You can post now and register later. 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. 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. Valve Corporation. Turbojets are so ridiculously efficient that it doesn't really matter. Delta wings are able to work better since the lack of lift per square area is compensated by having larger area to provide lift. I was hoping that the new intakes would give it the added altitude. The U-2's published maximum altitude is somewhere above 74,000 feet. 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. This way control surface max deflection can be programmed by an aircraft designer to make . Content titles and body; Content titles only If not, please explain why, which I know you have no problem doing! 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. 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I am currently designing a mission that will involve several very long distance plane flights. 3.) rev2023.3.3.43278. In the stock atmosphere, the benefits of moving faster outweigh almost everything else. You can post now and register later. Clear editor. The longest flight got them down to a little more than half full. Even up there the plane acts squirrely. Once you're at that regime, you should be able to cover huge distances on tiny amounts of fuel. You can halve the drag by climbing a bit less than 3500m. It flames out at 25,000. Ep. 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. - but they were talking about having two intakes/engine. 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. Are you using Stock or NEAR/FAR? How to make a loop for linear actuator in Kerbal Space Program, Breaking Ground. even stranger is that the surface is textured. 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. 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. The most efficient way is, of course, to make a high altitude (or space) plane. 1 Pod outside the level 3 VAB. Technically, any rocket engine is also a jet engine as it forms a high-speed jet of reaction mass. Arqade is a question and answer site for passionate videogamers on all platforms. Air Intake: Air Intake shows the amount of force your engine uses to suck air into the turbine. The most efficient way is, of course, to make a high altitude (or space) plane. 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. Why do small African island nations perform better than African continental nations, considering democracy and human development? Don't worry about Isp. Fighting oscillations. The more successful the flights, the more successful the space program is. If it's above the cross-hairs, you need a little less. Use the reaction wheel to hold your attitude slightly nose down as you float down and you can guide yourself like a paraglider. 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. Any of my search term words; All of my search term words; Find results in. Thanks for asking this, I've been struggling with the same problem in career mode. : : . KSP also tends to have very harsh induced drag if angle of attack gets too high. This is my current best hi alt plane. Air Flow + max. 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. Grichmann's answer has been the most reliable way I've found to complete these missions. 1.) 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. You cannot paste images directly. i dont know what kind of range youre looking for but i would make a significantly smaller plane. What are the units of measure used in Kerbal Space Program? Now I have a plane that will fly around the world at an altitude of the low-20s. 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. Editing Kerbal Space Program save files for KSO, Rasterpropmonitor for Kerbal Space Program. Rockets aren t the only way to get to space. 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. . Which is capable of high altitude, high speed flight. - Insane lift to weight didn't help. Paste as plain text instead, Running the 60U engine at about 40U seems to give me a good balance between reduced drag and air intake. 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. 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. Learn more about Stack Overflow the company, and our products. Reddit and its partners use cookies and similar technologies to provide you with a better experience. So the faster you go the higher you can fly where there is less drag. Delta-V is the velocity change necessary to perform orbital maneuvers. Either of the two speeds are to be avoided. Only the fuel tanks attached to rockets have any oxidiser in them. I don't recall if they model aspect ratio, but either way, the struts are murder and the delta wing has so much more wing that it'll still have more lift. How can this new ban on drag possibly be considered constitutional? 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. Knowing how to design these types of planes make jumping in to SSTO design very easy as there are only a few minor changes that need to be made.Music Credits:1st Song: \"Elephants\" - YouTube Audio Library2nd Song: \"Hot Heat\" - YouTube Audio Library3rd Song: \"Echoes\" - Kasbo - https://soundcloud.com/k-sboWhat game is this? 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. Originally posted by lord bird: yep thats right jool has a surface. Thats my problem right now. air) that high up. But. That will unlock: Air temperatures vary with latitude and time of day. 3x06: I design a new, high altitude, jet to collect high. 1 1: The basics 2 2: Setting it up 3 3: First flight 4 4: Finishing touches 1: The basics First of all, you're going to need an airplane. It was meant for low altitude flight. I don't have the numbers handy, but you can expect something like 400m/s at 15km. Basically there are two things that limit your maximum speed: thrust and speed of sound and with that your maximum altitude. 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? Trying to do something without the right part is long and difficult path. Let me. 2.) Why do many companies reject expired SSL certificates as bugs in bug bounties? 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. If you have an account, sign in now to post with your account. Should i add a larger wing area for higher lift? Upload or insert images from URL. - Insane TWR didn't help. The U-2 is probably the highest altitude aircraft still flying. First off as of .15.1 intakes don't do anything. You can do that by right-clicking the engine and clicking "Toggle Mode." 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. Pvt. Minimising the environmental effects of my dyson brain, Theoretically Correct vs Practical Notation. probably the easiest place to land in the system as terminal velocity is survivable for a craft less kerman. 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). high-2 A Screenshot of Kerbal Space Program A destructible memorial to the old Mk. Note: Your post will require moderator approval before it will be visible. 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. Cookie Notice To get higher with the low tech jet engines, you need rocket assist. The main body is a fuel tank with a Swivel engine at the end. Press J to jump to the feed. 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. I followed a similar strategy. That will unlock: "Whiplash" Turbojet Which is capable of high altitude, high speed flight. Don't rely on the efficiency indicator! But a rockets can do it. Note: Your post will require moderator approval before it will be visible. Upload or insert images from URL. Main goals: Auto-trimming. I'm trying to build a high altitude plane and have found out that the rules are different. I also set it to enable the cockpit's reaction wheels to improve control at high altitude, and close air intakes to reduce drag. 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. Personally, I don't enjoy survey contracts on Kerbin. You cannot paste images directly. Make sure you've angled your wings up slightly so that you provide enough lift for a 0 angle of attack at top speed. These designs are great for getting around Kerbin quickly, but without going orbital. I've added more engines, more intakes to no avail. All rights reserved. You do get certain inertial and lever-arm effects, but those aren't really relevant to 'do I have enough lift to stay up'. At this point the plane plummets, but as it goes deeper into the atmosphere, it regains pitch authority, and at 10km it's enough to regain control and turn it around for a safe landing. The X-37 is operated by the United States Space Force for orbital spaceflight missions intended to demonstrate reusable space technologies. The Kerbal Space Program subreddit. Your previous content has been restored. I didn't succeed with his design, though; I always ended up having somehow unstable airplanes. These are the building blocks of solid spaceplane design!Subscribe! My plane has turbojets and lots of fuel, but I am wondering what the optimal way to fly is. I should perhaps start trying out NEAR to get ready of 0.90, though. Remember that you need to have intakes somewhere in line with the engine to function at that altitude. I didn't try for 20000m as it probably wouldn't do well. 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. @SaintWacko's advice is probably the most practical. Information Changelog Stats This tutorial will cover designing and flying a plane that can soar at high altitudes! Double your speed, you need twice as much fuel. The sweet spot for the upper atmo engines, I find, is between 10k and 12k. 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. 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. There is no such thing as "so high radar can not detect it", since radar can detect things in outer space. Clear editor. 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. - "In Space Low" means your craft is inside the "Space Border" altitude and in an orbital path. As has been said, ISP is nothing to worry about. Or is it the same for all celestial bodies? Note: Your post will require moderator approval before it will be visible. 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. This makes jets built using this engine considerably more maneuverable. Most SSTO space planes would be able to accomplish this easily. Which makes this engine ideal for those missions which require doing many science activities above particular altitudes. Kerbal Space Program 2 . Basically I can hit a target altitude of 20,000m but can not maintain it. Display as a link instead, Display as a link instead, Let me share what I know about jet engines, speed, and efficiency. In this chapter, you ll learn about the Space Plane Hangar, a building that forms part of the Kerbal . That's sub-optimal, because having the fuselage pitched like that means it'll have more drag than it otherwise would have. This thread is quite old. With the tanks disconnected that way, the rockets don't leach from the jets. Your link has been automatically embedded. Whiplash is the engine you would want to use on a plane meant to go 20km. 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?). Pasted as rich text. - Spamming airintakes didn't help. AoA and G-force moderation. Pasted as rich text. 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. What am I doing wrong here in the PlotLegends specification. If you enter the Mun's SOI, it immediately counts as "In Space High over Mun" until you get below 60km Mun altitude. Evidence. That's because wings need to have some AoA to the airstream in order to generate much lift. 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. 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. 2022 Take-Two Interactive Software, Inc. As said above, the Wheesley is specifically designed as a low altitude engine. What are the altitudes for the various altitude record contracts? For comparison, the second most maneuverable engine is the CR-7 R.A.P.I.E.R. 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!]. if you just go into the SPH, slap together some parts like Legos, and go-- is to attach them with zero AoA. TLDR: You need parts you don't have to make a plane that flies that high. 20 votes, 21 comments. Have you checked out the wiki yet? I'm going to try adding a small solid fuel rocket engine toned down to get the initial height then dump it, as well as check into that high end gear mentioned. Using Kolmogorov complexity to measure difficulty of problems? This works, but it's not optimal. Don't be too surprised if KSP's aero model breaks down in edge cases. There is a very close tolerance to the two speeds. New comments cannot be posted and votes cannot be cast. Connect and share knowledge within a single location that is structured and easy to search. 2022 Take-Two Interactive Software, Inc. Yes, although they have only been flown with nearly full tanks. It's Kerbal Space Program v.22! (Disclaimer: I've never used FAR myself; all of the above is based on my experience with stock aerodynamics. You get tons of thrust if you put it into "wet" mode, but you lose fuel efficiency. Create an account to follow your favorite communities and start taking part in conversations. 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. Note: This is ONLY to be used to report spam, advertising, and problematic (harassment, fighting, or rude) posts. 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.
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