One problem is i'm running stock on career mode and only have 30 part to spare, so large planes are out of the question. When you are surrounded by plenty of air there will of course be no need to suck in air artificially but the higher you get the less dense the air around you becomes and in order to make sure that your engines have enough oxygen to burn the fuel it needs to suck air in forcefully. 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 -. Here's my example of dealing with the situation. All trademarks are property of their respective owners in the US and other countries. What am I doing wrong here in the PlotLegends specification. Right now, my big, fat plane has trouble breaking 10 km altitude and 200 m/s forward speed (largely due to its payload). All rights reserved. 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.. EDIT: Essentially, make like an SR-71, if an SR-71 didn't have cooling problems limiting it to Mach 3.4. So I'm pretty darn new to KSP, and my career has barely gotten started, and the jobs for crew observations seem to dominate Building a High Altitude Jet | Stream pt. 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. FBW uses three controllers - pitch, roll and yaw. Using indicator constraint with two variables, Is there a solution to add special characters from software and how to do it. 1 Pod outside the level 3 VAB. Your decreased flight time means you probably won't make it to your location. Which makes this engine ideal for those missions which require doing many science activities above particular altitudes. Paste as plain text instead, It is somewhat slow but very steady in flight. That's all true, but just read the OP: hypersonic appears to be completely out of the question. 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. It will be expensive and time consuming. KSP doesn't care (much) about aspect ratio; the total lift is the same regardless of configuration. Evidence. 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. - but they were talking about having two intakes/engine. 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? How do I install mods for Kerbal Space Program 1.1? First is thrust; the higher you get, the lower the thrust your engines deliver. 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. Have you checked out the wiki yet? probably the easiest place to land in the system as terminal velocity is survivable for a craft less kerman. Once you're at that regime, you should be able to cover huge distances on tiny amounts of fuel. Ksp engine altitudes I've been trying my hand at some High altitude speedy planes for a while now, but can't seem to get a hang of the altitudes that each engine likes, I know kerbal isn't earth, so looking up the crushing altitude of say the sr71, doesn't seem to apply, but I was hoping that others experiences would help me. However, I've failed to build a vehicle to achieve this (without a hundred retries). Clear editor. Pasted as rich text. 1.) The main body is a fuel tank with a Swivel engine at the end. The sweet spot for the upper atmo engines, I find, is between 10k and 12k. Also, jets eat fuel at pounds-per-minute -- if you cover twice as much ground in the same time, your plane will be more efficient. Designing a High Altitude Jet | KSP: Making Space Home Mike Aben 24.8K subscribers Join Subscribe 85 Share 3.4K views 1 year ago Ep. Please consider starting a new thread rather than reviving this one. Along with rockets, planes are one of KSP's most commonly referenced kinds of vessel, and are a vessel type . If you have an account, sign in now to post with your account. Yes, you can get into that range with the high end stuff (whiplash engines and ram or shock cone air intakes). Even if the air is thin, you can still put out plenty of power if you are shoving enough in with raw speed. The drag differential is because your long-wing layout is using a bunch of struts, and the reason your delta-wing has a higher ceiling is because it has more wing area to provide lift. Press question mark to learn the rest of the keyboard shortcuts. That would argue for going as high as possible, as slow as possible, but apart from drag you also have to fight gravity. Now I have a plane that will fly around the world at an altitude of the low-20s. 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 want to cover your aircraft with loads of intakes, I'm sure you could easily fly above 35km and reach 2000+ m/s velocity. From my observations I can say that "Efficiency" is not a good indicator of how well your engine performs. Whiplash is the engine you would want to use on a plane meant to go 20km. Reddit and its partners use cookies and similar technologies to provide you with a better experience. If it's below the cross-hairs, you need a little more AoA. Under some circumstances, you may want to reduce the engine gimbal range or disable it altogether, particularly when flying at high speeds (e.g. But maybe your patience? Information Changelog Stats Once I'm near or in the target area, I set the throttle to 0 and start the Swivel. 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." Your answer got me in the right direction, though I ended up with a different design (see my own answer). Grichman's answer got me in the right direction. The U-2's published maximum altitude is somewhere above 74,000 feet. and our air) that high up. 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. 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!]. principle. At that point your engines will be running about .7-.8 efficiency and you will be out of the thicker atmo which will allow you to go faster. Rockets aren t the only way to get to space. As long a you can fly faster, the lower density at altitude can be compensated for. That would oscillate slowly between 16000m and 17000m but was otherwise fully controllable. As long as the engine gets enough air it will work at proper efficiency. It'll probably be more efficient with more intakes, but I wouldn't increase the number of engines. Due to the lower air pressure at higher altitudes its thrust output decreases accordingly. The J-404 "Panther" Afterburning Turbofan is a jet engine added in version 1.0.5. This is my current best hi alt plane. http://kerbalspaceprogram.com, Press J to jump to the feed. 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. Redoing the align environment with a specific formatting, Trying to understand how to get this basic Fourier Series. New comments cannot be posted and votes cannot be cast. Welcome to the forums, ZDW. 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. i recently used a single whiplash plane and was able to maintain a stable 21-22k meter altitude. My plane has turbojets and lots of fuel, but I am wondering what the optimal way to fly is. Each stage of the rocket has a delta-v that depends on the stage fuel mass and the engine specific impulse. As said above, the Wheesley is specifically designed as a low altitude engine. It flames out at 25,000. Imagine that first plane but with the bubble cockpit and the old style round intakes. The easiest "default" way to build a plane in KSP-- i.e. Powered by Invision Community. 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. Press J to jump to the feed. *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 stratospheric region, where temperature rises as altitude increases, spans the region between the altitudes of 10 km and 22 km. 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. That's just a guess, though-- perhaps someone more familiar with FAR could weigh in.). Have a plane that ditches its wings and rockets up to 18km once you reach the right point. Sideslip handling. The Boeing X-37, also known as the Orbital Test Vehicle (OTV), is a reusable robotic spacecraft. 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. I don't have that other stuff yet. Personally, I don't enjoy survey contracts on Kerbin. What are the altitudes for the various altitude record contracts? This means it is better to have excessive amounts of oxygen than not to. No, I think it's correct, unless I've got a brain fart going, here. The Rapier, for example, works great as a high-altitude engine, precisely because it can go so fast. The longest flight got them down to a little more than half full. Are you using Stock or NEAR/FAR? 2022 Take-Two Interactive Software, Inc. Your link has been automatically embedded. Use the reaction wheel to hold your attitude slightly nose down as you float down and you can guide yourself like a paraglider. I didn't succeed with his design, though; I always ended up having somehow unstable airplanes. Grichmann's answer has been the most reliable way I've found to complete these missions. high-2 A Screenshot of Kerbal Space Program By climbing, you reduce drag, exponentially with altitude. (the engines will use very little at high altitude anyway). From my experience using a panther it starts to lose speed after 15-16 kms, a more suitable cruising height is 9-13km. This is the first version. Paste as plain text instead, This way control surface max deflection can be programmed by an aircraft designer to make . At altitude the nose goes up and down until it goes out of control. How do you get out of a corner when plotting yourself into a corner. if you just go into the SPH, slap together some parts like Legos, and go-- is to attach them with zero AoA. 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. How can I make money in the new career mode? Yes. 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. That annoys me but I can't seem to get a design to make it work. 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. 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. Note that keeping the plane weight low is critical, only carry a very small amount of fuel. Main goals: Auto-trimming. 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. Originally posted by lord bird: yep thats right jool has a surface. Paste as plain text instead, Best way to get down into thicker air and land is to perform what dogfighters called a 'Split-S'. Really. 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. Approximately 12km up the main engines stop providing enough thrust to maintain the climb, so it's time to switch to rocket mode. How can this new ban on drag possibly be considered constitutional? high-1 A Screenshot of Kerbal Space Program By: miklkit This is the current version. Its an approximation missing someelements. 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. The more successful the flights, the more successful the space program is. Please consider starting a new thread rather than reviving this one. I tried building a plane but can't climb higher than about 11,000m (I don't have many plane parts yet, though). 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. So the faster you go the higher you can fly where there is less drag. Also, while you mentioned the TJs most efficient altitude is ~ 5km (I'm not sure, but lets assume it's true), you need to realize that the drag you're getting at that altitude is going to wreck any efficiency gains. even stranger is that the surface is textured. Dedicated to the growth and advancement of amateur rocket scientists! Should i add a larger wing area for higher lift? The Panther engine can hold 19,000 steady and oscillates around 20,000. I generally don't fuss with AoI unless I'm making a long range cruiser. Powered by Invision Community. Which lets you go faster, which lets you climb higher. I would like to know which altitude I have to maintain for my experiments. They will someday, but they don't now. I got this game so I could over-engineer rockets, so I mostly ignore the airplanes. I only seem to be able to make planes that can fly a bit below that altitude and then temporary rise to it. Air temperatures vary with latitude and time of day. I decided to look into that two intakes thing, and it turns out to make 11-12 m/s difference at 19,000m with my plane. 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).
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