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[1.12.5] Bluedog Design Bureau - Stockalike Saturn, Apollo, and more! (v1.14.0 "металл" 30/Sep/2024)


CobaltWolf

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5 hours ago, Pappystein said:

While it doesn't fly great in KSP Stock aero, it does fly.   I haven't put time into harmonizing the controls yet to fine tune it.     But also, the X-15 is TOO HEAVY to take off from the runway un-assisted for how Little the wings are.  (Those wings are meant to keep it aloft at Mach 5, not provide enough lift at 300m/s to fly up and away in the soup that is air density at the runway.    An Empty X-15 has a glide ratio of something like 4:1 meaning with no fuel for every meter you fall, you are 4 meters forward...  That is lower than just about any other high performance aircraft.   The BEST Glide ratios for some high performance aircraft: 

  • F-104 is quoted as having a Glide ratio of 10:1 at high speed and "much lower" at low speeds
  • F-16 is 7.8:1 ideal speed
  • My next Automobile (The F-14 Tomcat) has a Glide ratio of 12.2:1 at ideal speed (which is much closer to landing speed than either the F-16 or F-104)

Remember, X-15 was meant to be dropped from the bomb Bay of the B-36 Bomber and then updated to drop from the Wing of a B-52 Bomber.  It is a Parasite aircraft, meaning it needs another craft to fly it off the ground.    If you want to launch it on a rocket, you need BIG wings on the Rocket or the rocket will "Spin out"

So that is why it spins around and crashes into the runway (one time I got it on the SPH instead) instead of flying despite having a starting TWR of approximately 1.06 at sea level, as reported by KER. Not even a disposable kickstand could get it to take off (granted, the kickstand wasn't a rocket sled and I used the stretched variant so maybe a rocket sled could get it to take off?)

Edited by Richmountain112
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