Your link has been automatically embedded. As the title says, my plane dips and turns to the side, clips its wing on the runway and loses it, does the same on the other side, then crashes and explodes, without even getting airborne. You can also angle the wings themselves slightly upwards (using WASDQE) in order to make them generate more lift when horizontal. Paste as plain text instead, This page was last edited on 19 February 2020, at 07:08. As such, you may want to line all forward Mk1 radial nodes on your aircraft with shock cones, if possible. But regardless of that, try very hard to let the plane fly itself off the ground without you applying any controls. Having landing gears near the front and back of your aircraft can also help to ensure that you won't break your engines or smash your cockpit into the runway. 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. Wow, if you need 200 m\s to take off, you should think about adding more lift. LV-N exceeds 75% of its full power at just 7700m altitude on Kerbin. 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. How to Fly a Plane - KSP Beginner's Tutorial - YouTube 0:00 / 25:53 How to Fly a Plane - KSP Beginner's Tutorial Mike Aben 30.6K subscribers 78K views 2 years ago KSP - Absolute Beginner's. This is most likely the standard jitterbugging problem. This helps to keep the performance of your spaceplane stable with any amount of fuel. 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. It is usually placed back because it can be placed further back than it is possible in the front (if it is placed in the front, it can obstruct the view of the pilot, which is undesired) as well as making the plane unstable (by the same effect that you would get if the center of lift (horizontal lifting surfaces) were in front of the center of mass, but with vertical surfaces). 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. They all had to use the runway drop to take off. Now imagine what happens like that. This can easily cause you to crash on landing. 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. 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. Note: Your post will require moderator approval before it will be visible. Symmetry placement should give you perfect symmetry, as far as the game is concerned. 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. 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. I do add a strut to each wheel out of habit since my earlier versions use to roll, better safe than sorry. 1. make sure your main gear is not wobbling (ie. mods used are OPT for most of the body and the front canards and tail plane, B9 procedural wings for the wings, and mk4 . They are able to operate at higher altitudes and can even continue operating in a vacuum by switching to a rocket mode. At around . Place your rear wheels/gear in front of the flaps on your wings. Even if you can takeoff, landing will usually destroy tat aircraft so survival rate on an aircraft for a typical kerbal is nearly zero. That, combined with a Unity joint bug, makes your plane bounce. mods used are OPT for most of the body and the front canards and tail plane, B9 procedural wings for the wings, and mk4 spaceplane parts for the engines. My plane usually take off at a little over 120m/s. You could do it the kerbal way by attaching two SRBs to the nose of the plane pointing upwards. When gear is placed, it has just one point of attachment. Though, I use the FAR mod which will change things, so I can't guarantee the results will be useful, but it might be interesting. Also pay attention to your fuel balance, especially if you're using several tanks placed in parallel to each other. 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. To takeoff and land at low speed, it's helpful to rotate the wings so the leading edge is slightly above the trailing edge. If you can give a craft file and a mod list I could take a look. These have extremely poor temperature tolerance and will almost inevitably break up during atmospheric reentry. See if there is still a problem when only travelling slowly, say <20m/s. However, I want to place my wheels where i want to and not only on X parallel surfaces. Besides the good advice others have given, I would also be very careful with that little tailwheel. Nothing bad will happen. Remember how you want your center of lift/drag to be behind the center of gravity? My plane tends to wobble on the runway with the stock game so i decided to download FAR, but the problem still persists. To minimize drag, vertical tail fins can be kept minimal, since aircraft can be maneuvered adequately by roll and pitch alone. #2 DaSkippa Mar 14, 2014 @ 2:56am as Shkeec said check gear check gear check gear. Go on, and take the plane capsule which looks like a converted fuel storage device Contents 1 Making a fuselage 2 Understanding Lift 3 Control Surfaces 3.1 Elevator 3.2 Aileron 3.3 Rudder 4 Landing gear Making a fuselage Any plane needs speed - so you need thrust (usually). I took off and at 60 m/s I was in the air! The plane is clearly unstable. 67K subscribers in the KerbalAcademy community. They could go up to 120 m/s on the runway and still not lift up. With a tail-dragger, the plane is already angled up just sitting on its wheels so once the speed is high enough, it should just float up by itself. Note that dropping off cargo from the back with a Mk3 Cargo Ramp is bad for more than one reason. my center of lift is always slightly infront of my mass. I made this aircraft based on real life commercial jet design. 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. When your spaceplane rolls shortly after touchdown, veers to one side and then explodes on the runway, you have a problem with landing stability. They sometimes coincide with ailerons on some, more space-economical, aircraft. Tell ya what, I'm gonna try to recreate that thing in my sandbox and see what I get. Aircraft in this game is almost unfeasible, especially in career mode, you will lose all your money before you finally design an aircraft that can even takeoff. 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. Your plane is almost finished. 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. Those and the fixed main gear are NOTORIOUSLY bouncy. 2022 Take-Two Interactive Software, Inc. Be aware that while this angle will provide the lowest possible landing speed for your spaceplane, it will create problems if your center of gravity is too far ahead of your rear landing gears (causing a high-speed nose collision on touchdown) or if your rear landing gears are too far ahead of your engines, causing them to strike the runway first. First try speed over land reached over 210 m/s before flipping in the last second. 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. The reverse also happens. S5 moon rocket by lightbreaker_64. This aircraft can takeoff at just above 50 m/s and can glide for a few minutes without engine. Similar principles apply when finding suitable landing sites away from the KSC. This tutorial will help you with the basics of spaceplane flight, and will help you avoid the most common errors that could ruin your day as a spaceplane pilot! Landing speed (minimum speed for level flight) can be reduced by adding components to increase maneuverability, by using larger wings, by increasing wing angle of attack on the fuselage (3-5 degrees is the recommended range for a spaceplane to achieve the best lift-to-drag ratio [source]), and by decreasing the weight of the aircraft. I dont really need 200m/s for take off. Or maybe launching it in a vertical, Space Shuttle-style config. Please consider starting a new thread rather than reviving this one. Keep your nose pointed prograde as you descend through the atmosphere. everytime i make a powered plane, it always flips over and points backwards after i take off. Try disabling friction control with on the front landing gears. Ideally, the wings should be tilted upward at an angle about 3-5 from the fuselage for optimal lift-to-drag ratio.[1]. I was wrong. The problem could be due to several issues. Now I'll walk you through a basic aircraft; fancy stuff like science equipment can be added later. You probably won't have much luck landing the fuselage intact if your Mk3 plane gets its wings scorched off on reentry. For spaceplanes, avoid the FAT parts (wing, tail fin, and control surface). First thing you're going to want to do in the SPH is turn on your centre of mass indicator (this is the point that the plane will rotate around when rolling, pitching, or yawing) and your centre of lift indicator (the Aerodynamic Overlay). It's said that takeoffs are optional but landings are mandatory. If you are using B9 Rocketery or other parts that utilize Firesplitter, this is normal. I moved the back landing gear to right underneath the COM. 1. tilt of the plane. The most dangerous part of a spaceplane flight is returning from orbit. As lift increases you remove some strain on the gear, however you've just increased the amount of sag. 2022 Take-Two Interactive Software, Inc. http://forum.kerbalspaceprogram.com/threads/99660-0-25-Adjustable-Landing-Gear-v1-0-4%28doors-fixed%29-Nov-14. There are multiple ways to place them: Ailerons control the roll of the aircraft, and are (almost) always placed on the wings, as far out as possible and as centered (compared to the center of mass) as could be. I scoured the entire web for a solution, but found no working solution or at least dont work every time. Wing shapes do not appear to have a significant impact on drag or drag-to-lift ratio at this time, but swept wings are still an easy way to help ensure that your center of lift stays behind your center of mass. Throttle up to full, activate SAS, stage to start the engine (you'll only have one stage here), and start rolling (or sliding) down the runway! Sometimes taking things off and re-attaching them does it, or you may have to go so far as to scrap the design and rebuild. DO NOT ANGLE THEM! My first test of the plane parts in KSP2.Like and Subscribe for more Kerbal stuffs!#kerbalspaceprogram #ksp2 #kerbalspaceprogram2 #shorts #spaceplane #nasa 200 m/s runway stability just doesn't seem to have a worthwhile purpose to me, and is inducing counter productive engineering challenges. Note: The large delta wing will ensure you won't backflip. Enable mirror symmetry to save yourself some alignment effort. Ailerons to roll your aircraft should be placed as far off to the edges of your wings as possible. Note that the lift rating does not mean that the wings will automatically lift a spaceplane into the air when it's moving forward. It can be helpful to use a slightly taller front landing gear and slightly shorter rear landing gears so that your fuselage points slightly upward on the ground, thereby increasing the angle of attack of your wings while on the ground. Thermal turbulence, caused by convection, happens below clouds and typically only impacts planes during takeoff and landing. Does anybidy have any tips on how to build spaceplanes? I started investigating why this was happening. While having the same stock parts as in the VAB, spaceplane design is obviously quite different from pure rocket design. 5.whether the body you anchor the landing gears to are firm. Need to move them up. Brakes in the back keep you stable. Set up for a long glide path, and watch rate of climb indicator at top of screen, aim for -5 m/s. A good example of this is at the KSC runway when landing on a 90 degree bearing. Easier just to bring the rear wheels closer as well as a in line reacton wheel. If there is, I would have found it long ago. For more information, please see our Quick context, I am a software engineer. You may also want to deploy your landing gears to increase your drag, as well as airbrakes if you have them. Valve Corporation. A Mk1 Cockpit, two Mk 1 Liquid Fuel Tanks, and then cap the back with a round nose cone (use the A/D keys to rotate it as necessary). Pasted as rich text. Try not to place your gears to wings, especially wingtips - if they wobble even slightly, your plane lose the balance. 32.5K Downloads Updated Dec 11, 2014 Created Dec 11, 2014. Subscribe! 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. Thanks for the help guys. T-1 "Dart" engines are unique amongst conventionally-fuelled rocket engines: They have close to the highest efficiency in both vacuum and low atmosphere. All of them had one thing in common though. FAR says it would take an Angle of Attack of 24.3 degrees at 119 m/s to generate enough lift to get it to take off. Then this tutorial is for you. Hello, I am having a small problem with a plane I have built. I see absolutely no need to be traveling that fast down the runway. 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? Powered by Invision Community. Even a small deviation can cause serious instability, making your aircraft bounce and jolt left and right even during takeoff. - Make sure the landing gear is as close to the center of gravity as possible, just slightly behind it (for nosewheel aircraft). The Whiplash's ridiculous fuel efficiency allows a spaceplane to climb high into the atmosphere and gain a lot of speed while barely using any fuel at all. Your link has been automatically embedded. Just like with rockets, get some courageous Kerbal in the cockpit and let's get started! That way you can use aerodynamics to lower the tail, rather than trying to raise the nose. Do you have a screenshot of the craft? That's over 2x the normal recommended max. [KSP 2] I'm trying really hard to make a Mun capable ship but this rocket . Check out the following guide for some good info: http://forum.kerbalspaceprogram.com/threads/52080-Basic-Aircraft-Design-Explained-Simply-With-Pictures Maybe ;making the tailwheel less stiff would help, too. 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. 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. 6.4K Downloads Updated Jun 7, 2017 Created Jun 7, 2017. . 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. 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. 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. and our Re-entry heating can destroy parts of your spaceplane, or destroy it entirely. (For test purposes, all aircraft are not pitched up and SAS is turned off. 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. Congratulations! This page was last edited on 17 December 2021, at 13:14. 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.

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