Unstable but stable
Hi
I was reading something about modern fighter and it said that they intentionally make them somewhat unstable to do maneuvers easily.
And they use fly-by-wire system to compensate for lack of passive stability.(F-16 for example)
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And that make me wondering....
What if I make exactly that.
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This is what happen.
Features:
-fly-by-funky-tree system
-Carrier operational
Controls:
-AG2: Tail hook
-AG8: Toggle fly-by-funky-tree system(It's on by default, try at your own risk)
-trim to trim
ENJOY!!!
Ps. no instant cobra maneuver this time :P I just created this just because my sheer curiosity.
Ps.2 If you ask why would I make this with passive stability and fly just as well without doing code? Well... I'm just kind a guy that make myself a problems just to solve it for fun lol.
Specifications
Spotlights
- WIZARD2017 4.4 years ago
- BuiltBionixInd10 4.4 years ago
- Theful1941 4.4 years ago
- Boelin 4.4 years ago
General Characteristics
- Successors 1 airplane(s)
- Created On Windows
- Wingspan 30.4ft (9.3m)
- Length 33.1ft (10.1m)
- Height 11.4ft (3.5m)
- Empty Weight 11,383lbs (5,163kg)
- Loaded Weight 14,534lbs (6,592kg)
Performance
- Power/Weight Ratio 2.319
- Wing Loading 66.1lbs/ft2 (322.6kg/m2)
- Wing Area 220.0ft2 (20.4m2)
- Drag Points 2354
Parts
- Number of Parts 57
- Control Surfaces 5
- Performance Cost 417
mr smart guy. is there any way i can improve AOA performance with this statically unstable plane WITHOUT adding canards or adding passive stability? i'm thinking it's at the very limit, but see for yourself if you're bored
The only plane I can guarantee a butter landing on
i will use your canard code
@Khanhlam
Not exactly the same aircraft.
Hey! Is this the jet used in your tutorials?
@WIZARD2017 ok ,I'll help.
Please check out my Wyvern it is build upon this concept but the code is more complicate and somewhat messier lol.
Thank you. I’ll try. If not working, I will make a unlisted post, hope you don’t mind.@GuyFolk
@WIZARD2017 The proper fix is just edit the Bold number, lower the number the more sensitive they are to correct aoa. The rest is just utility, you can just remove it if not needed.
(clamp01(Activate8))((((clamp(((Trim / 3)+(Pitch2)/clamp(((IAS/60)+.1),-100,100)),-1,1)) / 2) - clamp((AngleOfAttack / 20),-1,1)-(PitchRate/150))*clamp((IAS-20),0,1))
@WIZARD2017 Well.. That probably your aircraft is way difference than mine, maybe it is too sensitive to high aoa.
Quick fix is a bigger canard.
@WIZARD2017 lol, ok I'll see what you come up with.
I copied your canard FT code to mine, but it seems not working, can you help my with that?@GuyFolk
Well, I’m not really good at unstable fly by wire.@GuyFolk
@WIZARD2017 Absolutely, but I think your FT is better than mine to begin with.
Can i use your FT code in my new aircraft?
Ok no joke, this is awesome
@BuiltBionixInd10 @JolyLoly @WIZARD2017 Thanks!!
@11qazxc Aoa is limited by the funky tree code in the canards (I can't remember exact number :p) ,any higher aoa will risk stalling out or flipping the plane out of control.
I just limit it's aoa at low speed so it don't stall out in a hard turn.
Cutting wings does help in higher aoa in a way but the main factor are elevator's power which is more than enough but funky tree won't allow it.
maybe it is easer to cut wings to fly at high aoa?
This is very nice. I’ll spot this to let more people to see this.
super impressive!
Lol
@Epickitty
May be it's super bright afterburner, the way it fly with such high angle of attack, the control surfaces trying to keep it from flipping, man.....those eye-candy lol