Note that canards are somewhat more efficient than horizontal tail fins since canards provide an upward force with upward rotation, and downward force with downward rotation. Easier just to bring the rear wheels closer as well as a in line reacton wheel. You should be able to navigate fairly readily, and with the superb efficiency of jet engines, you should have plenty of fuel to go anywhere you need to go. But regardless of that, try very hard to let the plane fly itself off the ground without you applying any controls. This helps to keep the performance of your spaceplane stable with any amount of fuel. Tutorial: Your First Plane - Kerbal Space Program Wiki But, likely guess is your craft is not producing enough lift. A good example of this is at the KSC runway when landing on a 90 degree bearing. ), Stable aircraft: "Untitled" (lost the file upon loading after aircraft), Stable jet car: "Untitled" (Lost the file), Speed over land > 350 m/s before veering off the runway, Sometimes Stable Spaceplane: "Hypersonic Experimental". Planes and Ships - Shareables - Kerbal Space Program - CurseForge All I have are the parts from the Aerodynamics tech and the gear bay (wheels). - Make sure the landing gear is as close to the center of gravity as possible, just slightly behind it (for nosewheel aircraft). This allows you to avoid the extra weight and mass of additional fuselage parts, so you only have to deal with the extra weight of the fuel itself. The tutorial below explains everything very well. Re-entry heating can destroy parts of your spaceplane, or destroy it entirely. At around . This is all right if their high efficiency saves enough fuel, but that may not be the case in small spaceplanes with limited fuel capacity. 2022 Take-Two Interactive Software, Inc. http://kerbalspaceprogram.com/forum/showthread.php/13851-The-woes-of-building-a-space-plane?highlight=woes+spaceplane. Espaol - Latinoamrica (Spanish - Latin America), http://forum.kerbalspaceprogram.com/threads/65638-Basic-Airplane-Space-Plane-Aero-Tutorial. Your wings provide the lift, and they cant provide lift if your wheels are too far back because then your base is to stable and the craft wont pivot upwards. Thanks for all the help. I worked through the tutorials and I think my problem was most often a lack of lift, or perhaps more accurately sufficient control surfaces. When you are near the end of the runway, quickly activate then detach them to get the nose pointing up. Also, lift is usually placed in the middle-to-back of the wing, depending on the shape. In subsequent missions, you may want to launch with less fuel to cut down on cost and make landing a quicker and easier process. As lift increases you remove some strain on the gear, however you've just increased the amount of sag. See the tutorial below. Thanks for the help guys. If your spaceplane is difficult to land when full of fuel but easy to land when empty, then it may be helpful to burn off or transfer out most of the excess fuel before landing to make the aircraft lighter. Upload or insert images from URL. But I am still not sure if there are more reasons or perhaps it is just a physics bug which I am wasting my time on. Does your plane never pull up taking off? I have been building - reddit That's over 2x the normal recommended max. I just thought my planes were too heavy or not enough control surfaces. [KSP] - Heavy Seaplane Take-off, Water-landing and Re-take-off! You can either go with four "LY-O1 Fixed" or a tricycle of two LY-01 near the back and one "LY-05 Steerable" at the front; either is fine for now. I have built lots of spaceplanes. As such, you may want to line all forward Mk1 radial nodes on your aircraft with shock cones, if possible. Now for wings, the "Wing Connector Type B" is the largest you have so far; connect a set of those where the centre of mass is. I have created planes that have landing gears place right under the wing tips but they still won't work. First try speed over land reached over 210 m/s before flipping in the last second. 1. make sure your main gear is not wobbling (ie. 1. tilt of the plane. In contrast, if you attempt a landing at the KSC runway on a 270 degree bearing, you run the risk of colliding with the upward slope shortly beyond the runway if you can't slow down initially and then can't speed up fast enough. However, I want to place my wheels where i want to and not only on X parallel surfaces. If you have seen the examples above, I have planes that have angled landing gear and they work perfectly, yet some planes with straight landing gears don't. They all had to use the runway drop to take off. Here is your convenient solution to this problem! I started investigating why this was happening. Finally you need to make sure it's all balanced, this means the centre of lift marker needs to be very slightly behind the centre of mass marker. Pasted as rich text. Pasted as rich text. [KSP 2] I'm trying really hard to make a Mun capable ship but this rocket . You want to start by attaching a Mk 0 Liquid Fuel Tank under the wings, making sure you're mirrored so it goes under both wings. For all your gaming related, space exploration needs. After externsive testing and bloodpressure rise, results: it doesnt matter where you place the wheels, as long as they are not angled on the X (nose-tail) axis. Is there a way to place landing gear so that i can guarantee my plane can remain stable on the runway even at high speed in excess of 200m/s? If you have an account, sign in now to post with your account. Also note that for maximum efficiency, you should make sure that your horizontal control surfaces are rotated to exactly the same pitch that you've rotated your wings. Let it get good and clear of the ground before applying any control to it. Does anybidy have any tips on how to build spaceplanes? Consider placing your rear landing gears close to the spaceplane's center of mass, but be careful to avoid an engine collision with the runway. My Space Plane Keeps Flipping Backwards On The - Dive into anything When I use it for spaceplane guidance it keeps me on the correct heading, but the flight is very busy sine wave of a path. My plane tends to wobble on the runway with the stock game so i decided to download FAR, but the problem still persists. Doesnt make sense so just do this: Nope that didn't solve anything, even when the plane is past the runway and gliding on the little bit of space before the ocean it will slowly lower to the ocean, what am I doing wrong? #2 DaSkippa Mar 14, 2014 @ 2:56am as Shkeec said check gear check gear check gear. Note: This is ONLY to be used to report spam, advertising, and problematic (harassment, fighting, or rude) posts. Slowly pitch up to avoid overheating. If you plan on either dropping off cargo or picking up cargo and traveling with it, you'll generally want to locate your cargo bay at the middle of your center of gravity. Now imagine what happens like that. You're going to have a bad time. Keep your nose pointed prograde as you descend through the atmosphere. An active front brake can cause your aircraft to rapidly and uncontrollably pivot left or right during landing, and high friction from the front wheel can potentially cause your plane to swerve violently both in landing and takeoff. If you keep all of the fuel in the front, you may find that your center of mass drifts backwards as your fuel drains. How to keep an airplane stable on the runway in Kerbal Space - Arqade Try disabling friction control with on the front landing gears. For your first flight, it may be easiest to ignore yaw altogether and just maneuver by rolling slightly and pitching. If you have a very short length of runway remaining and your parachutes can't slow you down fast enough, you'll be forced to cut the chutes and attempt a second landing without them. Landing can be trickier for spaceplanes since they are designed for higher speeds than other aircraft and may not be able to fly level at speeds low enough for an easy landing (<50 m/s). While all other cargo bays are fine for making spaceplanes, the Mk3 Cargo Ramp produces obscene amounts of drag, which can easily prevent reaching orbital velocities by itself. If the front landing gear touches down first and has its brakes on, it's going to make the rest of your aircraft pivot around it as it's pressed into the ground. All you need to do is add landing gear (one right before the cockpit, and two on the tips or middle of the wings), and you're done! Whether you're storing your fuel in fuselage sections, wing sections, or attached inside of cargo bays, it's generally a good idea to keep equal amounts of fuel at equal distances from your center of mass. A Ravenspear Mk3 taking off from the Runway in version 1.0.5. At that point, the plane could potentially start spinning around as a result of losing the benefit of the gimbal control of the engine. In fact, nothing will happen at all, and that's probably bad, so put an air intake on your plane anyway. Description: "Originally called the Cockpit-plus-two, the 5 seat "Cockatoo" is a second-generation command pod that provides both safety and comfort It is rumored to have enough room to pack several days of emergency snack rations and board games" Useful stats: As the description states this large command pod holds 5 kerbals Flying a Space Station through a GAS GIANT! And also place them further apart. When flying straight the plane is pretty stable but pitching up causes a sharp roll and I cant figure out why. Mechjeb Spaceplane Guidance : r/KerbalSpaceProgram - reddit If you can give a craft file and a mod list I could take a look. Note: Your post will require moderator approval before it will be visible. However, don't bother going overboard with intakes because your engines will still shut off at high altitudes due to the low air pressure regardless of how many intakes you have. KSP short takeoff plane test | Simple Horten Ho 229 replica You need to make sure that the Orange axis on the rotate sphere is parallel to your, nose-tail axis. Works well on small craft. I shouldn't have placed landing gears on the fuselage, I found that placing landing gears on flat surfaces like wings make landing gears a lot more stable. It is also common to add an Inline Clamp-O-Tron, which, unlike all the other docking ports, can be placed in the middle of the spacecraft (a handy solution, since there is not much space at either end of the craft) to allow your plane to dock with space stations or other spacecrafts. As you reach 100m/s, hold S to pull the stick back, and you should be in the air! If your Mk3 design jam-packed full of heavy gear can't seem to survive reentry, one option might be to reduce the payload a bit. Subscribe! Wow, if you need 200 m\s to take off, you should think about adding more lift. Note that dropping off cargo from the back with a Mk3 Cargo Ramp is bad for more than one reason. 2 will usually do nicely, but 3 or 4 are usually better (but of course heavier, and this tutorial assumes you use 2). You could do it the kerbal way by attaching two SRBs to the nose of the plane pointing upwards. Try getting the wings to deflect the air down, either by lifting the front end up using canards or by mounting them at an angle using shift + wasdqe. They all had landing gear placed at the front and at the back. if mounted on not struted part). Remember how you want your center of lift/drag to be behind the center of gravity? Take the large delta wings and place them on the aircraft. However, it's not a matter of "atmosphere or not", just a matter of air pressure which decreases rapidly with altitude. This is either a collider or design issue, if the craft doesn't have enough lift initially to get off the ground it will bounce a bit before taking off. I had this one plane, very fast, It would go to 170 m/s on the runway then drop of the end and soar very nicely. First of all, since the launch happens horizontally, you will have to include landing gears, and you will most likely want to include jet engines for the first stage for excellent fuel and cost efficiency. Your wheels should now have 0 degree angle between them, meaning they are both. If you forget to put an air intake on your airplane, don't worry! And above all: have fun! The same principle applies here. Check out the following guide for some good info: Your wheel base is the problem. Make sure that all of your landing gears are pointing in exactly the same direction. All of them had one thing in common though. The issue is my plane rolls very sharply to the left any time I pitch up. KSP handling death investigation High Winds Cause Widespread Power Outages Ohio . LV-N engines also have the advantage of using the same liquid for propellant that jet engines use for fuel. I just built a plane but when i launch it just slides and spins slowly to the right, any ideas on why this is happening? The FedEx plane pulled back up in time to avoid a collision. Congratulations! Such flight involves lift-induced drag, but reduces the total thrust required to traverse a distance at a given speed. However, they are extremely heavy for their power, weighing as much as a conventional rocket nearly 11 times more powerful. This is also the same reason why planes start rolling toward the middle of the runway; because both ends of the runway are further from . Because of how small Kerbin is and how high its gravity is, a perfectly flat surface just north of the equator will cause planes taking off to bias to the right of the runway, as if they were rolling downhill. - SF. Basic structure Firstly you're going to want to make a short fuselage. I have found a solution to my problem. You can also angle the wings themselves slightly upwards (using WASDQE) in order to make them generate more lift when horizontal. Tips aplenty in this thread: http://kerbalspaceprogram.com/forum/showthread.php/13851-The-woes-of-building-a-space-plane?highlight=woes+spaceplane It taught me everything I know, except for the stuff I learned elsewhere. All rights reserved. This ensures that your aircraft will go up once it achieves a high enough speed, and also helps with placing ailerons. One final point to consider is the mass you're planning to store in the fuselage. You can post now and register later. if its too far behind plane cannot lift. This thread is archived . After that, you face the challenge of touching down on the ground and coming to a stop safely without rolling and breaking off a wing or taking a nosedive and blowing your aircraft up on touchdown, or rolling off of the runway and into the ocean. Be warned that if you do not provide sufficient air intakes for the engines you've placed, you may find that some of your engines shut down before others. So I started a new career file after not really playing for a long time and I'm now at the point where I just dropped 45 Science to unlocked Aviation to get some of the plane parts that I need. Be aware that landing on water is an option if your spaceplane can fly level at less than ~40-50 m/s. If there is, I would have found it long ago. This is just a general briefing section with lots of "to do" or "not to do" things: when you think you've got it, check the Aeris 4A tutorial mission to learn how to get into space easily. Do you have a screenshot of the craft? It helps to have a center of gravity which is close to your engines so that the landing gears can be close to both. Aim to get your speed below 50m/s, and have plenty of water ahead of you; keep the plane level, and pitch up to shed velocity. Otherwise, you can either shift your wings till it's right (though this may crowd them near the back), or you can very slightly rotate the big wings so they're slightly higher near the front of the plane. This is an important distinction; a plane with great lift rating but without any control surfaces will fly easily but will be almost uncontrollable. As long as you're in space, your spaceplane won't differ from any spacecraft: you will probably want to add batteries and generators to prevent the command pod from running out of power. Tutorial:Basic SSTO Design - Kerbal Space Program Wiki Thanks for everyone trying to help! Although I usually only need 50 m/s for most planes to wobble out of control. It is advised to place your control surfaces as far from your center of mass as possible. . Tutorial: Basic Plane Design - Kerbal Space Program Wiki 4. https://wiki.kerbalspaceprogram.com/index.php?title=Tutorial:_Your_First_Plane&oldid=103052. I just thought my planes were too heavy or not enough control surfaces. Descending greater than -10 m/s usually makes a mess. However it's huge size can make it tricky to take off from the runway without destroying the engine. A plane is any craft which flies horizontally in an atmosphere utilizing lift primarily generated by wings, winglets, or control surfaces. Or adding a RATO boosters. Besides the good advice others have given, I would also be very careful with that little tailwheel. I have built lots of spaceplanes. It Flips Up And Towards The Opposite Direction. Clear editor. 2022 Take-Two Interactive Software, Inc. Kerbal Space Program 2's simulation is a lot more in-depth than its predecessor, where it was feasible for any wannabe Goddard to punch through the atmosphere with overwhelming thrust. Note that no wings will tolerate more than 2400K, so the difference in temperature tolerance between Mk2 and Mk3 fuselages isn't terribly significant. An alternative is making sure you have complete control of the craft. This can easily cause you to crash on landing. Those and the fixed main gear are NOTORIOUSLY bouncy. Notice how the landing gears are placed out on the wings. Keep your spaceplane pointed about 90 degrees above prograde so that the wings and body of your aircraft slow you down as much as possible. Necessary for heavy/long spaceplane. This is for the same reason that you keep your fuel balanced. Also avoid the basic fin for the same reason. If you can maintain level flight at about 30-40 m/s, you should be able to perform an ocean landing if needed. Managed to fix it with some different wings; idk what was going on with the other ones but I was just thr FAT aeroplane wings. Quick context, I am a software engineer. "Type E" is the smallest you should have, and you want a set of those connected at the back of the fuselage. This is good for spaceplanes operating in low-oxygen atmospheres where jet engines can't be used. wings, unless they're very well braced). Now right click each elevon and the tail fin and set what movement each controls; the ones on the large wings control roll only, the ones on the back wings control pitch only, and the tail fin controls yaw only. You can post now and register later. I wanted to develop a plane to check how are the aerodynamics physics working, and went back to the KSC VAB to design a little plane. I checked my planes and I found the problem. https://wiki.kerbalspaceprogram.com/index.php?title=Tutorial:_Basic_Plane_Design&oldid=97453, In the front of the plane - In this position, the control surfaces are also known as , In the back of the plane, on the tail - The most usual position; usually, close to the rudder. KSP Quick Guides: Takeoff Troubleshooting Stock v.22 - YouTube Even a small deviation can cause serious instability, making your aircraft bounce and jolt left and right even during takeoff. I was attaining high speeds on the runway without getting off the ground, which made the plane yaw back and forth. This is most likely the standard jitterbugging problem. Note: This is ONLY to be used to report spam, advertising, and problematic (harassment, fighting, or rude) posts. You can deploy your chutes just prior to touchdown for rapid deceleration. KSP 2 || First Plane Take-off || Kerbal Space Program 2 Note: Your post will require moderator approval before it will be visible. Drive gently off the runway and use the huge grassy field to take off, without care in the world about the plane veering to a side. Note that as you fly higher the air intakes will become less effective and you may come to a point when the engines will shut down due to the lack of air. Do agree that the rear wheels either need to be brought closer or or the Nenter of mass needs to be move closer to the rear wheels. So the answer is: in the SPH, click on your front gear, set the spring to .5 and set the damper to .5 -- then save it and give it another shot at launching. Powered by Invision Community. I have never successfully landed a single aircraft before as they all tend to roll over when landing at high speed. Set up for a long glide path, and watch rate of climb indicator at top of screen, aim for -5 m/s. Plane wobble during takeoff - KSP1 Gameplay Questions and Tutorials - Kerbal Space Program Forums Is there a way to place landing gear so that i can guarantee my plane can remain stable on the runway even at high speed in excess of 200m/s? But be careful and don't crash it! This makes design easier, eliminating all concern for balancing jet fuel against rocket fuel. Plane bouncing on takeoff - Gameplay Questions and Tutorials - Kerbal Space Program Forums Hello, I am having a small problem with a plane I have built. Unfortunately, with only these basic parts, landing on the runway won't be easy; a viable alternative is to throttle down to nothing, then belly-flop in the ocean. Keep in mind that lift rating and control surfaces are not connected: lift rating is basically the capacity of your wings to sustain the weight of your spaceplane, while control surfaces are parts of wing that can be moved to change the flow of the air around the plane and through this change a plane's direction, angle of attack or inclination. Second try, speed over land reached over 210 m/s and it didn't flip. You can slow down either by deploying landing gears (and airbrakes if you have them) or by repeatedly pitching up and then back down to increase your drag. I do add a strut to each wheel out of habit since my earlier versions use to roll, better safe than sorry. My Space Plane Keeps Flipping Backwards On The Runway. Nothing bad will happen. You can even try refueling it before recovering your spaceplane further increasing your recovering value. my planes keep flipping backwards on take off : r/KerbalAcademy - reddit Privacy Policy. When landing, you can achieve the highest lift for a given speed by raising the total angle of attack of your wings to 30 degrees (although this induces a great deal of drag). As with everything in KSP, experiment, experiment, experiment. Place your rear wheels/gear in front of the flaps on your wings. . To survive re-entry, it's recommended to start your approach back into the atmosphere at a shallow angle, ideally with a periapsis of around 30-35 km. 67K subscribers in the KerbalAcademy community. For some reason, when the plane is trying to take off and pulling up, the plane begins to bounce on it's front wheels (the back wheel kicks up), which hinders the plane taking off. Your aircraft might just be too heavy - there might not be enough wing lift for it to take off the ground. Then this tutorial is for you. (Idea is moot, if you haven't unlocked them yet.) . Now stick a jet engine on the back, and don't forget to put an air intake or other air-sucking device (you can find them in aerodynamics) on the airplane. Display as a link instead, Powered by Invision Community. Center of Mass and Center of Lift are the usual causes of instability. Paste as plain text instead, Next you need landing gear. These occur at their worst when your center of gravity is far ahead of your rear landing gears and you have a heavy plane at high speeds and a high angle of attack on landing, resulting in your front landing gear rapidly striking the runway after your rear landing gears touchdown. This makes them a very effective choice for SSTOs since they do a good job of getting maximum velocity out of air-breathing mode, and then allow you to use oxidizer without needing the added weight and drag of a separate rocket engine. Alternatively, you can try landing at higher speeds with your nose pointed further down, but this increases challenges with stability and deceleration while on the runway. This plane will be able to take off, travel somewhere, perform a crew report, and then land. Controllability of a plane is on you. While it's true that jet engines don't work in space, they offer one large advantage over rocket engines while inside the atmosphere: fuel efficiency. KSP 2 speculation: I believe terraforming will be a feature of the game This can turn into a fatal scenario if the center of mass gets behind the center of lift and you enter a flat spin. the I place on the wing and attach landing gear on those, it sometimes takes a few tries to find the right spot but well worth it. if mounted on not struted part) 2. put your main gear slightly behind center of mass. KSP v.22 Takeoff Troubleshooting Guide/Tutorial Lots of info to help get your plane off the runway! Hot ground causes air to rise, cooling as it moves away from the heat, which leads to increased density and a resulting fall back down. After placing wheels I always use the rotate gizmo on snap with absolute orientation. Press question mark to learn the rest of the keyboard shortcuts. 1. make sure your main gear is not wobbling (ie. Enable mirror symmetry to save yourself some alignment effort. Here's a quick installment in to the. - KSP - YouTube 0:00 / 31:25 Flying a Space Station through a GAS GIANT! Cure: Draw a mental axis from the nose to the tail of the plane and use the rotate tool (summetry on), on one of the wheels.

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