Operational Performance Comparison: Viper, Beagle and Stubby
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Of course.
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So I won't be able to have the complete F-15SA done. My time was torn too many other directions. I do hope to at least have the CAP mission done this week, after which I will PDF it, post it, and continue to finish the F-15SA.
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sprstdlyscottsmn wrote:So I won't be able to have the complete F-15SA done. My time was torn too many other directions. I do hope to at least have the CAP mission done this week, after which I will PDF it, post it, and continue to finish the F-15SA.
at least you got the Su-35 done, hard to deny that aerodynamicwise it is a beast
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garrya wrote:sprstdlyscottsmn wrote:So I won't be able to have the complete F-15SA done. My time was torn too many other directions. I do hope to at least have the CAP mission done this week, after which I will PDF it, post it, and continue to finish the F-15SA.
at least you got the Su-35 done, hard to deny that aerodynamicwise it is a beast
I agree, but am sooooo curious to see how the F-15SA (particularly with the new motors) stacks up. The F-15SA will have the edge in BVR, and certainly in weapons - but WVR I'd like to know just how high the bar is to out-rate the SU-35. And a bit off topic, but does anyone know what motors Boeing is proposing for the F-15X?
I realize the USAF won't buy it, but I wouldn't be surprised if a foreign customer not eligible for the F-35 orders the X. In which case, it might sweeten the pot for the USAF? That'd be a real wildcard for what's possible, or are most F-15X capabilities already baked into the F-15SA??
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Just at a glance, when comparing the F-15SA and the Su-35S in loaded conditions, the F-15SA is heavier, has a smaller wing with a lower CLmax, has less thrust, and a lower fuel fraction.
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sprstdlyscottsmn wrote:Just at a glance, when comparing the F-15SA and the Su-35S in loaded conditions, the F-15SA is heavier, has a smaller wing with a lower CLmax, has less thrust, and a lower fuel fraction.
But... but... Boing, yo!
Take an F-16, stir in A-7, dollop of F-117, gob of F-22, dash of F/A-18, sprinkle with AV-8B, stir well + bake. Whaddya get? F-35.
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Oh, it also has a higher RCS. It still gets first look/first shot by a significant margin. WVR JHMCS/AIM-9X beats Soviet era helmet cue and R-73 by 30 degrees in off boresight ability.
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I tried focusing on "left", not right (max speed) and up (max alt) of the F-35s envelope.
So, I compared.
In this comparison, can say that something of F-35A is "better or superior"? (I don’t have confidence in myself...)
The flight envelope I used. (I focused mainly on Alt 30K to 40K ft and speed Mach 0.3 to 0.4.)
F-15C (clean) F100-PW-100
F-15E (clean) F100-PW-229
F/A-18C
F/A-18E
F-35A
So, I compared.
In this comparison, can say that something of F-35A is "better or superior"? (I don’t have confidence in myself...)
The flight envelope I used. (I focused mainly on Alt 30K to 40K ft and speed Mach 0.3 to 0.4.)
F-15C (clean) F100-PW-100
F-15E (clean) F100-PW-229
F/A-18C
F/A-18E
F-35A
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That's what it looks like. The F-35C looks even better.
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Thank you very much!
!...Stall capability! There have been many articles pilot praised F-35's Stall or Slow speed handling so far.
This time, It's very interesting that the superior capability was able to be seen as a Figure...
!...It certainly looks like that...! C type looks like even better in the vicinity of Mach 0.3. It's interesting...!
garrya wrote:If i recall correctly, your chart indicate F-35 has slower stall speed, generally mean it can pull same G at lower speed which lead to higher ITR.
!...Stall capability! There have been many articles pilot praised F-35's Stall or Slow speed handling so far.
This time, It's very interesting that the superior capability was able to be seen as a Figure...
sprstdlyscottsmn wrote:That's what it looks like. The F-35C looks even better.
!...It certainly looks like that...! C type looks like even better in the vicinity of Mach 0.3. It's interesting...!
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One thing I need to point out is that the test chart does not mean the maximum capability of the jet. For instance, technically F-35A should be superior than F-35B in every aspect (because it is lighter), however in the chart F-35B has been tested to fly as slow as Mach 0.29 at 36000ft while F-35A acheived Mach 0.3. It only means that F-35A could fly at speed even lowers than Mach 0.29 at 36000ft, and it has not demonstrated its maximum capability in tests.
Last edited by gta4 on 07 Jan 2019, 01:52, edited 2 times in total.
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gta4 wrote:One thing I need to point out is that the test chart does not mean the maximum capability of the jet. For instance, technically F-35A should be superior than F-35B in every aspect (because it is lighter), however in the chart F-35B has been tested to fly as slow as Mach 0.29 at 36000ft while F-35A acheived Mach 0.3. It only means that F-35A could fly at speed even lowers than Mach 0.29 at 36000ft, and it has not demonstrated its maximum capability in tests.
The F-35A is only lighter when empty. The F-35B is lighter when fully fueled and fully loaded internally.
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It feels SOOOOO good to do this. I was having a hell of a time with the F-15 fuel burn modeling in different weights and loadouts. Then I was having a hell of a time finding a convenient way to do the CAP mission probability. It doesn't work to sum the odds that a given aircraft survives or dies, you have to take the odds that each shot even occurs. If the first shot has a 45% pK, then there is only a 55% chance the next shot even happens, and so forth. So, I'm a bit late, but here is a .PDF of what I have: The F-15SA through the CAP mission. I still need to do the Intercept, Deep Strike, and CAS missions. There is a lot of performance info here on how the F-15SA compares to my model of the Su-35S, as well as info about how I am modeling system performance. If anyone has concrete proof that I have a mistake in the systems, please share. If anyone who is a subject matter expert (looking at hornetfinn) thinks I should try a different approach to my systems and has one to offer, please share.
One last note, I am having some formatting issues with Word. Some tables are being split in two for seemingly no reason and the table of contents just looks ugly. I will try to fix this before the next release.
Enjoy
One last note, I am having some formatting issues with Word. Some tables are being split in two for seemingly no reason and the table of contents just looks ugly. I will try to fix this before the next release.
Enjoy
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