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Found 9 results

  1. I present to you fine spaceplane enthusiasts... the Kerbal Wind Tunnel mod! We all build spaceplanes to fly faster and higher, but how do you know how fast or how high your current design can go? In the real world of aircraft design, engineers calculate the flight envelope for their aircraft before the first test flight rolls out. This mod runs your spaceplane through a virtual wind tunnel while still in the SPH and predicts its engine and flight performance at every speed and altitude. It also gives you a readout of various performance curves, plotting a
  2. Applies to KSP versions: 1.0.4 and newer. TL/DR: Among other things, this post explains why your reentering Space Shuttle replica and other winged craft can be unstable even though you built it with Center of Lift (CoL) behind Center of Mass (CoM). It also explains how you can improve general stability of any winged craft with Angle of Incidence (AoI), while at the same time making the craft very SAS friendly, and able to fly straight without SAS. The difference between CoL and Aerodynamic Center Longitudinal Stability, the ability of the aircraft to self stabilize, is attained
  3. Assume a rocket is standing on the ground with mass = 1000 kg, and near the top of rocket we apply a force of 100 N for say 1 sec,now assume that this is sufficient to tip rocket over/start tipping over. If the rocket is mid air and accelerating at 30 m/s^2, then likewise how much force would be required to tilt it pi/180 rad or change its trajectory by some degree, please neglect the change of mass due to consumption of fuel because the value calculated with this assumption is going to be a a value higher than required, so that is not an issue. Will the force required mid air be the same as t
  4. My suggestion in a fly-by wire avionics system, and I'm not referring to SAS. It could be implemented into stock or made into a mod. This way an aircraft with, say, a broken elevator or missing canard, could fly. Heck, if the system were properly implemented, you could fly an aircraft that is facing backward without the control surfaces going the wrong way, or even fly an inherently unstable aircraft! Some background info (especially for those who don't know what an actual fly-by wire system is): From Wikipedia TL;DR: Instead of the aircraft responding to the st
  5. Hello guys i need answers for very important thing for me and many people. I need to remove or decrease to 0 the lifting of B9 Procuderal wings. Because i want to use them us structural parts. I tried to decrease deflection lift coeff to 0 but its not worked. How to remove or decrease to 0 the lifting of B9 Pwings ?
  6. All I wanted was to figure out how much excess thrust I had for my spaceplane along its ascent profile. And then I wanted to know the lift curve slope and level flight AoA so I could program my kOS spaceplane autopilot better. Next thing you know, I'm writing a mod to work in the Spaceplane hangar to calculate flight envelopes, alpha curves, and so much more. And it works, sort of totally! Check out the release thread here: https://forum.kerbalspaceprogram.com/index.php?/topic/177302-ksp-142-kerbal-wind-tunnel/ This shows that the Aeris 4A has a ceiling of about 22km and
  7. Hey guys, I've been searching the internet, but haven't been able to find the answer to this. Maybe I'm using the wrong keywords or something, but then I remembered the well informed people on this forum, so I thought I'd ask here. Why do the R-7 family of rockets have their liquid boosters inset? What I mean is, most other rockets I see with boosters just strap cylindrical boosters to a cylindrical core, but R-7/Soyuz have a tapering core that has the boosters far closer together. I assume this makes it more aerodynamic, but how much difference does it actually make, and are ther
  8. So I made a plane and I pointed some wing parts downward and upwards and the CoL pointed a bit backwards, what are the effects?
  9. This is a tale of two aircraft. The kerballed version has a flimsy mark 1 cockpit and crew cabin. Both have FAT455 airliner wings, which as you know are made of white chocolate. The kerballed version weighs 30 tons and has a lift rating of 25. This unmanned probe launcher has 10 tons less weight and the lift rating is just 2 less. I have taken screenshots during 2 different launches in the kerballed version, capturing altitude and mach numbers and the verified non exploded status of the airplane. Some data points Alt 24km Mach 4.33 Alt 25km
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