147 - Flight Control Systems

  Рет қаралды 26,700

Fighter Pilot Podcast

Fighter Pilot Podcast

2 жыл бұрын

Don't let this episode's title scare you off! There's sexy, and then there's important, and on rare occasion you get a combination of the two, but true military aviation enthusiasts understand that middle category is where most subjects in this niche exist, including the systems that make these amazing aircraft not just flyable, but controllable.
On this episode, retired U.S. Air Force Lieutenant Colonel David "Divot" Kern joins us to describe the theory, considerations, and cutting edge capabilities of flight control systems, including digital and analog fly-by-wire systems. A former test pilot, Divot literally wrote the book on this amazing tech.
Listener questions addressed on this episode include whether the A-37 Dragonfly will ever be featured on the show, what the stickers are on the inside of an A-10 Thunderbolt II canopy, whether Air Force UPT pilots can select the U-2 Dragon Lady straight out of UPT, what happens to a pilot after an at-fault mishap, and propeller nomenclature.
Episode artwork by Janek Krause. Bumper music by Jaime Lopez / announcements by Clint Bell.

Пікірлер: 76
@thethomas3623
@thethomas3623 Жыл бұрын
Aeronautical engineer here, absolutely LOVE the podcast and LOVED this episode!!!
@SirBrass
@SirBrass 2 жыл бұрын
Avionics systems engineer here (Electrical Engineering degree from Embry-Riddle, class 2006). I absolutely came here because flight control avionics is absolutely where I've spent most of my career. Commercial instead of DoD, but still, I love Flight Controls 😁
@pushing2throttles
@pushing2throttles Жыл бұрын
Jello, this was one of the absolute best fighter pilot podcasts you've published! Man, this was a fun one! From a pilots POV, this was fun to learn about because this isn't a subject that's typically in a pilots wheelhouse... at least at this level of mastery! Good times!
@FighterPilotPodcast
@FighterPilotPodcast Жыл бұрын
Thanks, Gibran! 🤩
@keppscrossing
@keppscrossing 2 жыл бұрын
I found your title to be very interesting. My dad was an electrical engineer and was the project engineer for the direction and planning of the F-18 flight control test stand for Northrop in the 1970s. This included hardware selection, software development, data acquisition system, data processing, instrumentation, and test control Consol design. He was also the liaison between McDonald Douglas control engineers and Northrup Test Laboratories. That’s directly from his résumé. So to me this was all very interesting. This podcast brought back a lot of memories of things dad used to talk about. He passed away 35 years ago, so I haven’t heard a lot of this in a very long time.
@FighterPilotPodcast
@FighterPilotPodcast 2 жыл бұрын
Well I am glad the show can help connect you with your late father, never expected that. Thanks for sharing.
@mikebridges20
@mikebridges20 2 жыл бұрын
I spent 32 years working software in digital flight control systems development; what a great episode, bringing back a lot of great memories. Worked the AFTI/GCAS software design back in '89-'91; loved the 12 minute trailer for the next podcast!!! Thanks, Jello!!
@CalvinMaclure
@CalvinMaclure 2 жыл бұрын
I immediately clicked on this episode when I saw the title. Mind you, I am a mechanical engineering so... ENGINERD!
@monstrok
@monstrok 2 жыл бұрын
Listening here with great interest. A "few" years ago, I was fascinated to learn that the F-16 was using fly-by-wire to enable the airplane to fly with relaxed stability. Now I like to joke that my Piper Cub also uses fly-by-wire =)
@StefsEngineering
@StefsEngineering 2 жыл бұрын
It is actually a very interesting subject. So cool that it gets some attention!
@Leo___________
@Leo___________ Жыл бұрын
Excellent episode. Divot is a master of breaking down and explaining a complicated subject like this. The mark of someone who truly knows his stuff.
@FighterPilotPodcast
@FighterPilotPodcast Жыл бұрын
Indeed.
@Mako2-1
@Mako2-1 2 жыл бұрын
Idk about y’all but fcs’ are really cool to me. What i love is how they can have different modes in different flight regimes and how fly by wire can also independently move surfaces to enhance overall maneuverability
@aeroRCmodels
@aeroRCmodels 2 жыл бұрын
This is the best stuff! Feeding my aviation nerd!
@matthewhaase700
@matthewhaase700 2 жыл бұрын
I was so excited to listen!! Moving into more advanced aircraft as a civilian pilot means have more Fly By Wire systems and this episode is great for a baseline!
@Anuj-2
@Anuj-2 2 жыл бұрын
This type of episodes are my top favorites
@sgreen0000
@sgreen0000 2 жыл бұрын
I spent 5 yrs. With a career F-15 pilot && we hung out with every other type of pilot! Whoo Hoo! Glad that I found this channel! 😂👏👏✈️❤️👍
@buford2k10
@buford2k10 Жыл бұрын
I watched a lecture on the F22 flight control systems, and I was blown away...thanks to all of our warriors who put their lives on the line on a daily basis...I now understand, almost, your enthusiasm for flying these...these....miracles of aviation...
@drewvickers1520
@drewvickers1520 2 жыл бұрын
Great stuff Jello! Keep it coming!
@gregory.chalenko
@gregory.chalenko 2 жыл бұрын
Absolutely love it! Please bring more of such stuff: control surfaces, wing configurations, planforms, tail assembly and fuselage types, engines - I want to hear about everything!
@arsencchs
@arsencchs 2 жыл бұрын
Great choice of topics that you won't get anywhere else
@martinbarrett6249
@martinbarrett6249 2 жыл бұрын
Only new to the channel since the whole TGM thing. Have been waiting for a new episode, as they’ve all been wonderful, and wondering when one would pop up 👍
@whataboutbob1000
@whataboutbob1000 2 жыл бұрын
Thank you for the preview and episode.
@IkeThe9th
@IkeThe9th 2 жыл бұрын
1. Funny intro, Jell-O! 2. Interesting subject, I learned something new. 3. I am happy to hear the Tomcast drive went Over-the-Fence instead of breaking even or falling short. Stay Blessed, Fly Safe!
@johnb7490
@johnb7490 2 жыл бұрын
Very Very interesting... great job guys.
@jasonsong86
@jasonsong86 Жыл бұрын
As an Electronics Engineer this tickles the little geek in me.
@dougstitt1652
@dougstitt1652 2 жыл бұрын
Ya can't make them all happy sir . You have a good show !
@FighterPilotPodcast
@FighterPilotPodcast 2 жыл бұрын
I assume you mean the politics stuff--thanks.
@dougstitt1652
@dougstitt1652 2 жыл бұрын
@@FighterPilotPodcast yep yep ! be safe sir
@PJNiteballer
@PJNiteballer Жыл бұрын
Most entertaining episode so far.
@kevinmccarthy8746
@kevinmccarthy8746 Жыл бұрын
VERY COOL. I got my solo in a 152 Cessna about 43 years ago.
@bulldog282
@bulldog282 2 жыл бұрын
I can't get enough of the technical side of fighter aircraft.
@cbthecollector
@cbthecollector 2 жыл бұрын
Hahah, funny intro, yes I definitely picked this video on purpose! But actually, quick question about your previous Top Gun podcasts. I noticed like I’m sure you guys did, that they used the old style helmets in the movie. I assumed it’s to see the actors better but I don’t think I heard you guys address it? Thanks for all the great content! Loving it
@FighterPilotPodcast
@FighterPilotPodcast 2 жыл бұрын
Yes, I covered that in one of our trailer breakdowns: the joint helmet mounted cueing system only comes in tinted visors, which would not be conducive to seeing actors’ faces.
@benjaminperez7328
@benjaminperez7328 2 жыл бұрын
Let’s face it….. The JHMCS ISN’T exactly photogenic. Functional ?: Yes Futuristic?: Yes Vaguely insectoid?: You betcha Hollywood good looks?: Not so much
@cbthecollector
@cbthecollector 2 жыл бұрын
@@FighterPilotPodcast gotcha! Thanks
@cbthecollector
@cbthecollector 2 жыл бұрын
@@benjaminperez7328 oh for sure haha
@deantait8326
@deantait8326 2 жыл бұрын
I became aware of’Fly by Wire’ back with Corp aviation. In 1990 our Corp pilots preferred the old G-2 flight systems and were trying to get used to the new Bombiare (Sp?) wide body Canada air plane
@LRRPFco52
@LRRPFco52 2 жыл бұрын
We've been hardening critical electronics from EMP ever since we discovered the phenomenon in the atmospheric nuke tests. The latest generation of DFLCS is fly-by-light and power-by-wire with ElecyroHydrostatic Actuators (EHA). EHAs are a godsend for maintainability and simplicity of design.
@FighterPilotPodcast
@FighterPilotPodcast 2 жыл бұрын
Interesting. 🧐
@LRRPFco52
@LRRPFco52 2 жыл бұрын
@@FighterPilotPodcast He talks about EHAs at 1:00:25 on F-35. On F-16, if mx personnel discover one of the hydraulic actuators on an elevon is faulty, it's a long process to replace and re-calibrate. They have to drain the hydraulic fluid from the redundant lines, disconnect the hydraulic couplings to the actuator, unfasten the linkages, unfasten the mounting points and connections, then remove the actuator. Re-install in reverse order, purge and re-fill the hydraulic lines, pressurize the lines, top-off the lines, then calibrate and index the control surface with the actuator position relative to the CLAWs in the DFLCS. On F-35, if the EHA needs replacement, all its fluids are self-contained. You remove the fasteners, pull the unit, re-intall the replacement EHA, which the DFLCS auto-recalibrates, done. This is one reason why even the most complex STOVL JSF-B variant has roughly half the MMH/FH of the F-16, and the Viper has been the gold standard in Radar-equipped single engine fighter maintainability over the past 45 years. F-35A MMHPFH has been 4.1-5.9hrs, depending on year. F-35B is 6-9hrs F-35C 5.9-9hrs F-16: 11-14hrs, not including ECM, FLIR, HTS pods
@jinzhang8241
@jinzhang8241 2 жыл бұрын
1:21:21 I live in New York City and my home (unlike the TA-4) has more than 4 Rats
@michaelharper4989
@michaelharper4989 2 жыл бұрын
Re: Ham Std Prop As a young engineer i saw a movie about making the props. What was amazing was seeing the steel tube being extruded when at yellow heat.
@AIRWARFAREGROUP
@AIRWARFAREGROUP 2 жыл бұрын
Where might we find a link for the online coursework? ~Juice
@dmutant2635
@dmutant2635 Жыл бұрын
I never appreciated what integrated flight controls were until I read the story about the Israeli F-15 that lost its wing and still flew home.
@allenhumphries7610
@allenhumphries7610 2 жыл бұрын
My understanding is that MCAS was developed, not to get the most performance out of the airframe, but to make the MAX handle similarly to the previous generation to avoid the airlines having to spend time and money training and certifying pilots on a new aircraft type. One issue they were addressing was the difference in pitch up on acceleration caused by more powerful engines.
@TheJustinJ
@TheJustinJ 8 ай бұрын
This is correct but it goes farther. Pilots can easily be trained to handle a change like this. Which was due to more powerful engines, that were larger diameter and had their thrust axis even lower than the CG than original. Boeing was concerned the FAA would require an entirely new type-certificate. Which is a multi-billion dollar proposal, for an already established and near retirement airframe. The type-certificate specifies the stability and control perameters of any given aircraft type. Because Boeing determined their modification probably wouldn't meet that criteria and would botch the whole program, they opted to hide the issue with new control-laws and systems. But because it was "secret" what they were doing to work around burdensome requirements, they did not have the resources of the whole company involved. So, it that departments infinite wisdom, they granted a non-redundant and failure prone AoA vane sensor the authority to apply nose down input against what the pilot was attempting to do.
@allenhumphries7610
@allenhumphries7610 8 ай бұрын
@@TheJustinJ Yes, the training for pilots is relatively straight forward, but if not for MCAS, Boeing was faced with the new aircraft having a new type designation from the FAA. This would have meant additional testing and approvals before the aircraft could enter service. It would have been expensive for the airlines to send the pilots for type training on the new aircraft. Boeing wanted to avoid this and the ensuing delays as it would decrease the attractiveness of the new aircraft to the airlines and made the Airbus competition more competitive.
@SkyhawkFlyer
@SkyhawkFlyer 2 жыл бұрын
Regarding Snodgrass, normalization of deviance is a killer. SOPs exist for good reason. Given how that lock is installed and not immediately obvious without a checklist, I'd place one or two RBF streamers on it and tie one end to the stick or with a bag over the top of the stick.
@robbowman8770
@robbowman8770 2 жыл бұрын
Loving the geek fest 🤘
@viksaini
@viksaini 2 жыл бұрын
Jello, you worry too much about nerding out. It's all good.
@mohammadk3nt-horizon975
@mohammadk3nt-horizon975 Жыл бұрын
You have to put that details on secret vault
@rdubb77
@rdubb77 2 жыл бұрын
I’m guessing the systems are coded in C++ that is very strict with how it allocates memory, and also Ada
@markusnachname1619
@markusnachname1619 Жыл бұрын
Greetings from Germany ✌I'm not a real Pilot, but I fly model Aircraft as a hobby. So it is completly fly by wifi. Still, today in my model aircraft, we get more and more flight assisting systems, like gyros, bank angle limiters, panic recovery functions and even auto pilot. Me personaly I like a good stabilisation system, it is amazing how it can change a crap flying plane into a docile flyable one. However I do prefer an airframe that flys good by design. Electronics are essential for mosdern aircraft. But I wonder by my experiance: How often do pilots and electronics collide? Even in my car I hate those systems, because they never anticipate what I want to do and sometimes even limit or endanger my driving severly.
@therocinante3443
@therocinante3443 Жыл бұрын
Honestly saw this title and got really excited. I'm so lame haha
@mohammadk3nt-horizon975
@mohammadk3nt-horizon975 Жыл бұрын
I have B2 Bomber & stealth fighter do you really thrust that my
@guiduz3469
@guiduz3469 2 жыл бұрын
Music for my aerospace engineer ears
@HarrisonGoldfarb
@HarrisonGoldfarb 2 жыл бұрын
Quick question for you guys: In TOP GUN: Maverick, we see lots of flares being used to avoid missiles during the battle scenes, but in the original TOP GUN, during the final battle, no one uses any flares and can only try to out maneuver it. In "Maverick" its shown that the F-14A has flares which would mean that they would have had it for the original. My question is why wasn't it shown in the original? Thanks!
@FighterPilotPodcast
@FighterPilotPodcast 2 жыл бұрын
The flyers were likely added in post production and the technology was probably not good enough for that in the mid 80s.
@triedproven9908
@triedproven9908 2 жыл бұрын
Analog will rule supreme and I don't even want to say why.
@FighterPilotPodcast
@FighterPilotPodcast 2 жыл бұрын
We are supposed to simply take your assertion on faith then?
@TheJustinJ
@TheJustinJ 8 ай бұрын
Analog is extremely limited as it relies on the human operator to control, supply motor effort, and maximize performance throughout the envelope. No matter weapon or fuel stores including asymmetry. Quadruple redundant fly-by-wire is the gold standard and has been for over 50 years. Even the newest commercial airliners and even corporate jets utilize these systems to great effect. But these old Harley guys cant figure out why anyone would want a fuel injector and ECM over a carburetor and magneto. And they are happy as clams topping out at 107mph getting barely 28mpg when not overheating in traffic.
@triedproven9908
@triedproven9908 8 ай бұрын
@@TheJustinJ harley riders aren't going to come up against 6th gen weaponry.... I didn't want to say your fly by wire could be turned into a big rock really quickly but now that I've said it I hope you get it now. You want to be impervious to the electron beam... And the only reason you need fly by wire in the first place is because they make the birds unflyable in the first place chasing pointless envolopes when no human can sustain 10g's. Analog controls with state of the art offensive and defensive ordinance.
@Mike41919
@Mike41919 2 жыл бұрын
I'm here because I'm a fan of all things military aviation........and to see if I can work in a buzz the tower comment
@rostamr4096
@rostamr4096 2 жыл бұрын
I am an aerospace engineer and was curious about your topic and what your guess has to say.
@Mobius118
@Mobius118 2 жыл бұрын
Studying Aerospace Engineering here, excited to learn more about the subject!
@rogerrinkavage
@rogerrinkavage 3 ай бұрын
Haha, I clicked specifically BECAUSE it was about flight control
@deantait8326
@deantait8326 2 жыл бұрын
I’m confused about the response to the KZfaq interactions to this episode. Fewer views than I’d expect but the ratio of thumbs up and comments to the number of views, seems way off. Too few
@dbucka
@dbucka 2 жыл бұрын
So sad that you heard from people complaining about a guest’s political affiliation and your sponsorship by a particular network. Part of the degradation of values you mentioned is the lack of too many people to be considerate of others’ views, or realizing that business is just that, and does not necessarily proclaim an endorsement. Keep up the good work anyway, and you are winning!
@TheJustinJ
@TheJustinJ 8 ай бұрын
Dems and Repubs both fund the military, both have congress members who select generals and admirals, both sides vote on military sending bills, and both elect commander in chiefs, and both serve in the military, and each have property and values that are protected by the military. Both sides enjoy freedom. The left weights 1A speech that the right seems to dislike. The right supports 2A guns, the left dislikes. At the end of the day, open your eyes. Its not one or the other. In fact, both sides are wrong in some areas. Such as supporting the draft and refusing to outlaw it. What is the point of fighting for freedom if you are not even free to not fight? Smh. Its the antithesis of American values and the right to life, liberty, and the pursuit of happiness. I don't understand partisanship when it comes to Military. It doesn't make sense. Both sides need a come to jesus about what this country stood for and should stand for. Liberty and Justice for all.
@mohammadk3nt-horizon975
@mohammadk3nt-horizon975 Жыл бұрын
So are you sure you can control the 7 fleet
@rssmps
@rssmps 2 жыл бұрын
ETOPS Extended Twin engine Operation Performance Standards
@gregthornton4750
@gregthornton4750 2 жыл бұрын
AKA engines turn or people swim
@mohammadk3nt-horizon975
@mohammadk3nt-horizon975 Жыл бұрын
100 percent NASA from wheres
@mohammadk3nt-horizon975
@mohammadk3nt-horizon975 Жыл бұрын
It's that their really islamic
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