Testing a GE J79 with afterburner
ฝัง
- เผยแพร่เมื่อ 16 มิ.ย. 2011
- A newly rebuilt engine from a supersonic fighter is put to the test at the S&S / Maddex test cell.
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Please keep in mind that the nearest neighbors are over 800 m to the side, and over 2 km behind the engine.
And I am holding a camera... I do not control other people's actions. Before you start to complain about the lack of hearing protection in a certain shot... keep in mind the engine is at IDLE power.
Not saying I approve, but don't assume that the individual did not move away and put his hands over his ears when the power was increased.
Any more bitching, whining, complaining on this issue will be dealt with mercilessly.
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This engine has low smoke fuel nozzles and combustors.
The large cloud is a mist of unburnt fuel, caused by the afterburner ignition not functioning.
Fuel consumption is about 35-40 gallons per minute at full dry power, and the afterburner adds about 50 to that number.
Max military (dry) thrust is about 11,000 lbs.
With Max AB, this engine made 18,300 lbs of thrust.
AB will only function at 100% rpm, which is 7650 under standard conditions. Flight idle is around 6400. and ground idle is 5000 rpm.
About Horsepower:
There is an industrial version of the J79 called the LM1500. The fuel burning core is the same, with identical part numbers.
The J79 jet engine is a gas generator with a jet propulsion exhaust nozzle at the back. The nozzle converts the exhaust energy into thrust by accelerating the gases. It takes a force to accelerate something. That force pushes on the thing doing the acceleration and equally on the thing being accelerated.
The LM1500 is the same gas generator that supplies the exhaust to a separate power turbine via a large duct. That power turbine converts the exhaust energy into mechanical torque and rotational speed. The definition of horsepower is torque multiplied by rpm divided by 5252.
So with this particular engine, we can measure thrust in one form of test, and power with the other.
When I say a J79 has 15,000 Hp, I mean the equivalent LM1500 makes that much.
Give or take, no guarantees, it's just for demonstration.
To help support the channel, check out Patreon for AgentJayZ.
Thanks! - ยานยนต์และพาหนะ
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Sometimes we are blessed by the gifts the algorithm gives us
Indeed.
And some of us look this up
True
A beautifull comment dear boy.
I'd buy you a beer in the bar.
The most powerful leaf blower I have ever seen!
lolz
In the early 80's, as a Marine Corps aircraft mechanic I worked for 6 months in an enclosed test cell called a "Hush House." In that building we accommodated entire aircraft to include A-4's (my birds), A-6's, and of course F-4's. Far and away one of the most memorable experiences of my life was standing 15 feet away from the F-4 as one of the engines (only one at a time) was put into full, 7-stage afterburner. The Gunnery Sergeant in the cockpit knew that I was new at the Hush House and slammed it into afterburner to scare the hell out of new Corporal (me) standing there in amazement. I will never forget my chest as it vibrated from the rumbling of that full AB. And if the awe for my body trembling trembling from sound waves wasn't enough, the 20 foot flame coming out of the engine was the icing on the cake. My words don't adequately convey the moment, and I know I'll never get to experience that again...INCREDIBLE.
10:42 school pc when you open a second chrome tab
You are detained for that kid
true
nobody:
csgo russians microphones
So true, who knows what is happening in their houses
@@andricode i know . they have a big family :)
**Hardbass intensifies*
I worked on these engines on the test cell at Kadena AB Okinawa Japan. It was neat to see one of these pigs run again but your video doesn't really show the noise that this engine makes. I have been underneath one of these on an open air test cell trying to read the variable vanes during a trim. The howl that came it made as the engine neared a target rpm was enough to make you physically sick and it did do that do me several times. The only engine that made more noise than a J-79 was J-58(SR 71 Motor). The first time I watched an SR 71 warm up it shook the ground enough at mil to vibrate me off the ground. Awsome!
NASA: “The earths rotation is slowing down, what should we do?”
This guy: 7:14
NASA: «Not that side!»
My old man was an F104 crew chief in Vietnam (Da Nang). He's suffered two strokes, but he can, to this very day, recite every detail about this engine.
He must have torn apart and fixed many of these beasts.
They are not more complicated than a piston engine, but they are very, very different. What does he think of my J79 run vids?
"IN THRUST WE TRUST" :-)
3 things you can listen to for hours:
1. Fire burning
2. Water flowing
3. GE J79 on full thrust with afterburner
You know, after you fired off that afterburner, I was more than a little surprised that we didn't see your shop skootching along the ground with everyone chasing after it.
Camera violently shaking while holding onto it's dear life just makes it all 500% more exciting to watch.
Yes, and as many people have refused to believe... that shaking is all caused by sound. The camera is of course not in the jet stream, but is off to the side.
The volume of the noise is so high that it is dangerous. Not just to your hearing, but to all of you.
Foamie ear plugs under ear defenders, and it's still too much.
As you can see, it nearly shakes the camera apart.
@@AgentJayZ oh I believe you. I have performed maintenance over a huge transport helicopter engine. The thing was so loud we couldn't work in a hangar made out of riveted sheet metal. The whole building was resonating amplifying already deafening jet turbine roar.
@@romant1127 like working inside of a church bell basically
7:13 - the vtec kicks in.
nobody:
youtube: Testing a GE J79 with afterburner
me: why not
Postet 9 years ago, now in everyone’s recommendations
Designed in the early 1950s, and still flying in supersonic aircraft in 2020...
Few years back, an F4 made it's way to Oshkosh. Sitting on the line next to a kid - probably 10yo - watching a national guardsman do his F16 demo, and the kid, responding to an afterburner pass, says, "Wow! That was loud." I told him, "Yeah, but wait till the F4 does his thing." When the time eventually came, and those twin J79s lit up, the kid turned to me, eyes wide, jaw literally dropped... I nodded in understanding.
I really like that story. I have seen many of these engine tests, and the AB always scares me. I think I know what's coming, but it seems I always forget.
Very loud indeed.
10:41 when you start your old laptop
When im running throttlestop benchmark
Recommended 8 1/2 years later, and still great to watch.
I am a U.S. Air Force veteran. I served from 1977-1981. I was a jet engine mechanic working on Phantom F-4Es. This GE J79 is the engine for that aircraft. I well remember standing next to it when it went to full power and then to afterburner. And the date of this video, June 17th, is my birthday. Go figure!
Discord calls when there are more than 10 people
Discord voice servers be like: 10:41
Carlos_A_M faks
🤣😂
I worked on the J79 in the F4 Phantom while assigned to VF-103 and went to A school as well as C School eventually becoming CER QUALIFIED. THIS ENGINE CAN TAKE A BEATING. One thing we were always taught was if the new engine did not have a slight leak from the Aux Air Door (81) send it back lol.
Great to see the brains behind the machine still active with commenters on the video even almost nine years later. The F-4 Phantom II and all the other aircraft this beast was mounted in were all worthy machines, and this loud chunk of supersonic thrust is a beauty. I can tell you and the gang take real good care of it.
I've worked end of runway with two of these in full afterburner. It literally rumbles everything in your body. What a great experience.
That brings back some memories. I grew up near a AF base with an F-4 fighter wing. The daily roar of the J79 was a completely normal part of my childhood. The loudest noise I've ever heard in my life was watching 4 F-4's take off in formation with afterburners engaged. The noise was incredible and the ground shook like an earthquake.
Watching this at 1:10 am January 1st, great way to start the new year!
12:23 am pst same here jan 1st
Same
Very cool I was a Dedicated crew chief and cut trained jets and hydraulics on the F4E/G Phantoms at George AFB Ca, 1986 till 1992 when we closed George and they moved to Nellis AFB for five more years I spent many long nights working, slaving and cursing those mighty J79-GE-17 !! IT WAS ALWAYS a love hate relationship but when you beat them gremlins it was such a great feeling like you could conquer the world and we did, I was the best damned F4 Phantom phixer that ever lived and thats not bragging it's a fact everyone I worked with and my pilots new me and damned proud of that honor. After I went 5o the kc135rt stratotankers where I had the pleasure of conquering another aircraft!! But that's another story.!!! Peace out and keep burning.
No one:
My PC fans at night: 10:41
Playing minecraft on max render distance be like: 10:41
It’s like millions of dinosaurs roaring together, o wait isn’t that jet fuel made from...
)))))
It's their souls getting burn in hell
In a few million years, we'll end up just like them too.
The back camera is probably screamin DAAAAMMN!!
just taken a course on jet/rocket propulsion at the college i go to, and it's so cool to watch videos like this after taking such a course knowing what's generally going on behind the scenes. makes me even more in awe really. amazing video :D (also just gained yourself a sub)!
Welcome to Jet City!
Currently revising exam coming up next week for turbomachinery module, learning about inlet and afterburning, and everything in between. I do agree that its quite cool to understand the general gist of what happening in that metal tube.
So Mr Realtor what's going on in that building next door?
Oh just some guys, I think they restore old cars or something.
Oh OK, I'll take the house
ROFL
Nobody:
Honda civic exhausts at 3am: 10:45
My most memorable afterburner experience was at an Air Show a few years ago watching a real rare bird, a Blackburn Buccaneer do a fly past, then at the second fly past the pilot hit the afterburners and put it into a steep climb......went like a bloody bat out of hell!! The sound was earth shattering!!
That would be cool to see. Maybe you saw a development prototype or something. My information is that the successful variants of the Buccaneer used the RR Spey, two of them, but without AB.
Still the Spey is a very loud engine, and two of them would be making the equivalent of about 40 thousand Hp at takeoff power.
Buccaneers are great, they do not have afterburners though
Oh my! So as the vid ends..we Sailors on the flight deck called this the "fireplace" as we loved the Phantom returning to deck and warming us when in cold weather seas. I have a lump in my throat and tears in my eyes. Man, I miss my time in the Navy.
Amazing how the nozzle can keep the narrower opening without being forced open.
1973, USS Independence, RVAH-14 flying RA5C Vigilante. Twin J79's. I was a final cat-checker at launch. The roar was deafening. Now at age 70, my hearing is going.
Made me worried those guys watching with no ear protection...
72 was in Air Force Kunsan Korea. I was Munision Maint on F-4. Pulled safety flags at end of runway just b4 takeoff. Was very close to afterburners. So loud your body vibrated.
MrPepper312 In '72 I began building J79's for Phantoms. Awesome memories.
I began my aviation career working on these. They were utilized in the F-4 Phantom's. We also O/H'd the civilian version CJ-805 -3 & -23. They were used in the Convair 880 & 990 respectively.
I used to run the test cells at Bergstrom in the 1980's, there is nothing like leak testing an engine in full afterburner. Can't describe fully what it feels to be next to it, but the feeling is still awesome. Thanks for the memories.
It really is something else. You can feel the vibrations in your sinuses.
Was at Bergstrom in the late 80's and worked on the F4 and was engine run qualified miss that sound.
In A&P school we had a J47 off a B-47. We had it on a test stand. At power it would start pulling the anchors out off the ground and digging up the earth behind it. We also had a pretty good grass fire behind it. You guys must have one heck of an anchor system to keep it in place at full afterburner.
I have a video about The Engine Test Stand.
I used to fly the F-4E with 2 J79-17 engines. I believe 11,800 lbs thrust in military and 17,800 in full burner. 1000 lb per minute both engines in full burner. The aircraft weighed 31,250, With 4500 of fuel, about a 1:1 thrust to weight ratio. Now just a Model T used for target practice.
My dad flew em... did not just watch em on a test stand
i think your right i was a crew chief on RF-4C , the F4s were beautiful i think and flying tanks , and then on T33 was at Tyndall AFB
Sad...
Hey David, X F-4 II VF-102 guy here.. There still are "flyable storage" ones in Tucson... a couple guys have been able to refurb them into "air show" displays.. there are a couple vids here on TH-cam. Thank you for your service! VF-102 Diamondbacks Oceana, OUTSLANT USS Independence CV-62.
David J. Fox thank you for your service!
10:41 when the kid on Xbox uses voice chat
This dude has got worlds coolest leafblower.
.... rather worlds HOTTEST leafblower
;-)
I was working on the F4F from 1998 to 2004. I have seen engine runs quite often. When the engines are installed in the airplane they are extreme loud. Its a sound you can feel in your bones and estomach. But when it is mountet on a dolly like in the video it is just brutal. It made me get sick. It was realy like someone kicking in your cheast.
I loved it 😂.
I miss working on the good old double ugly.
the reason is the intake of the jet engine on the jet itself dampens the sound in a good way cause it needs a special design for supersonic flight. if it is subsonic it doesnt need that special intake design so the sound is louder. the best example would be the harrier. it has a very very short intake and for this reason it must be very very loud
I‘m in rc planes for 2 weeks now.
And i was wonderling if that engine is good for beginners
Absolutely, sir! The J79 weighs a ton and a half, burns 90 gallons per minute of jet fuel, and makes almost 9 tons of thrust. It's perfect for any beginners project in RC model making.
AgentJayZ ok thanks! Can i buy it on amazon?
You'll want something more powerful after the first time you fly it......
Peter Plassmann yeah but everyone have to start somewhere🤷🏼♂️
Would look forward to see you cross an ocean, as the french jetboarder did with the smaller model jetengines and the english channel..
I might need to buy one of these. When I'm driving and one of those ghetto fabulous dudes with subwoofers thinks he's cool booming everybody at the light, I just switch on the J79, say "I got something for you mang!", kick on the burner, "whatchoo think about my bass mang!!" Yes. I think this is the winning ticket right there.
I am near the airport in Portland Oregon PDX often and once in a while the Air Force jets are taking off. It is indescribable the feeling of them kicking off the afterburners while taking off. Every car alarm within a mile is going off you feel it you chest and in your groin. Absolutely amazing piece of human technology.
That burner lighting is pure beauty
"afterburner vid".. Clicks... *TH-cam premium earrape ad instantly plays*
@Zfast4you is it not possible for you to know there was a time when TH-cam was for people who wanted to share something entertaining or interesting without having a singular monitary agenda behind it? Without having to install ad blockers that also cost Money? GREED GREED GREED. It shall be humanities demise.
How do you just have this in your garage lol
Who doesn't
Its not his garage lol, this is his company workshop
This is a test building, they ain’t putting them together in there
Grass: oh shet here we go again
I can tell you for a fact, it's incredibly loud. I worked on them in the service years ago. It will bring you to your knee's. The F-4 phantom has two of those engines, they would buzz our F-15 base in Germany during exercises, near the speed of sound so you wouldn't know they were coming until they were almost on top of you.
Chuck Noris wants his cigarette lighter back!
Chuck Norris wants his hair dryer back.
Your neighbors must love you.
A very common comment. One of the most common of all. No neighbors... so...
@@AgentJayZ You know we're kidding, right?
How much are they must have ab.
That's one way to clear the leaves from .....the neighbourhood!
7:13 when my pc runs any Minecraft shader for more than 1 minute
This is the type of "recommended" i want from TH-cam ! Nice !
Yeah, your description is on key! As a former F-15E Crew Chief, there is no way to describe what its like to be next to a running jet engine in full AB. Its overwhelming and strikes you full of awe! You can scream at the top of your lungs and still not even hear your own voice. You can feel your internal organs shake. Great video man! It brings back memories of working with the last Wild Weasels during Desert Storm.
Always good to hear from someone with real experience using these engines for there designed purpose.
steve bober thank you for your service!
Nucking Futz! The camera shake during the AB and the sound is pure insanity. That's so much power in such a little space. Good to see you're still here 12 years later. Time travel FTW.
Stationed in Thailand, 388th Fighter Wing. Three squadrons of F-4Es, I can tell you how loud they get, 179 dB loud. It hurts your chest if you stand facing the rear of the aircraft when the burner is lit. It hurts so bad, you turn sideways to avoid it. No amount of hearing protection works. Spent the next two years in England on Bentwaters-Woodbridge Base, 81st fighter wing, F-4Ds. left the AF with a 30% hearing loss.
I was in the 388th at Korat. I was there when the first F4’s arrived. I too lost some hearing (engine mechanic)
@@jamesmarlowe8231 I was there 1971-1972. I worked the last squadron of F-105F/G's in the 6010thm later changed to the 17th WW Squadron. They were no better noise wise.
I was at Korat the year of 1968. I worked the F105’s. Only one occasion did I work an F4. A sheared starter shaft…I dropped the starter but they arrived before the parts did! Someone else did the repair. Yes, those Thunder Hog 105’s were extremely loud too. That J75 in AB was too much!! You are so right. Ear protection couldn’t dampen all that racket! By the way, I did work the F4’s at Nellis AFB, and TDY at Davis-Monthan before Thailand. What a crazy 4 years of my life, but I’m glad I did it.
@@jamesmarlowe8231 I was Avionics, INS/Doppler. We were in for six active, for that year of schooling we got. I reupped early and did seven plus. But used that electronics training right up until I retired. It was worth the trip for seven years.
I work the e' and d,s at Lakenheath eor. Then the 111,s eor. I do miss it.
omg this video got posted in 2011, we're in 2019 almost 2020 and all the comments have been posted like "11hours ago" or "44minutes ago" bro wtf TH-cam has done ? Ytb just put this vid in the recommandations of everyone this morning xD
Well, it's an engine designed in the early 1950's and afterburner footage has no expiry date.
@@AgentJayZ No it doesnt my brother.....it's like a hearing a big block chevy or seeing a child smile in delight or holding a beautiful woman....it never gets old!!
I love this beautiful J 79 engine ❤
That's awesome! "Newly rebuilt" huh? That's neat. I'm always thrilled when I change the oil and spark plugs on my vehicle and it still works after. Thanks for creating the video. When I was 12, my next door neighbor was fresh out of the Air Force and was a jet engine mechanic though I'm not sure which specifically. He had a picture on a shelf of a test burn like yours but at night. It was so cool. He became our neighbor 'cause after service he got a job at Aerojet in Rancho Cordova. That was back in '85 and there was nothing between but grassy fields and Mather Air Force Base. On very calm Saturday mornings, you could hear long burns of jet engines. I always wondered if it was from the base, 8 miles or Aerojet, 15 miles. Mather is only 8 miles so that's more likely, I'd think. Again that was back when Mather was an active military base so any day you could see B-52s or F-4 Phantoms (a childhood favorite + F-14 = drool) among many other aircraft.
Before I go, well into adulthood, around the early 2010s, I found out that the lifelong neighbor on the other side was an engineer on the F-117!!! No one had any idea. He looked like of the drawings from the old Herman comic strip. Asked about work he'd say vaguely that he was an engineer of some kind then ramble some ridiculously technical mumbo-jumbo (nothing aerospace sounding though) and change the subject. It was probably a scripted response given the extreme top secrecy of the project.
Well, thanks for the vid, sorry I'm so wordy, I love all things aviation, just never had the aptitude to do anything with it.
Neighbours be like, can you only use the afterburner when we are at work?
Dear Santa...
Back in the 70s I was stationed at Castle AFB. I worked for a time at the engine test cell. We had a cell for the j57 and one for the tf33. The TAC guys had their own for the j75 that went into the 106 Delta Dart. When that thing went into afterburner you could always tell because there was a momentary absence of noise then BOOM. We had a hut 50 feet away from the back of their cell. The calendar and anything tacked to the wall would stand away and coffee cups and anything not secured would just vibrate off. There was no conversation, all you had were your thoughts. Your body would vibrate the ground would vibrate chairs would move. It was like you were locked in and you had to ride it out. Then pffft gone the engine would throttle down and shut down. You were then free to go. You could hear that thing when we were running our own engine and it was just as dramatic. Last thing. I was running ground while we were testing a j57. A family came out, I guess their son mom and dad and a couple of little kids. I keyed into the booth and told them and to watch what happens. The were running a j75 and the family was watching everything in awe. I turned my back on them and waited for the j75 to go ab. When it did they all thought there was an explosion and hit the ground. I was standing there with a smile and pointing at them. I had some good times on that cell.
Donald Scheibener thank you for your service!
Well, that is the most effective way of blowing leafs I've seen so far.
Absolutely fascinating! I used to work for Allied Signal (before Honeywell bought us) and used to watch every engine test I could get time (and space, and clearance) to see, from commercial to military... but I have NEVER seen an afterburner demo! Too much power for our facility, that was done at a remote facility that I had neither the time nor clearance to enter.
Thanks for posting these videos. You've got a new Subscriber!
Everybody in the house: *sleeps*
My PC at 3 AM: *I'm gonna sing a song*
best leaf blower ever
Yep lol
*_Still quieter than my computer fan._*
Let me guess, 80mm howler? :))
XD TRUE
I used to be lucky enough to be able to stand behind Concord at Heathrow airport.......on the boundary fence......that was LOUD!!!! 4 Olympus with full after burn!!!!..... I would say difference between with and without after burn is like a Street pro on a drag strip then a Top fuel goes past and life stops for a split second.... great filming and thanks for putting on TH-cam.....
I see it got reccomended to everyone
I'm surprised that building doesn't just collapse in on itself. You know the barometric pressure inside the building must be dropping.
Ah, I see you are a man of culture as well.
(the building doesn't collapse because the drop in pressure is holded (mostly) by the engine)
Hence why the two doors are opened🙃
Only If it were a closed system and there was enough suction pressure from the intake
Afterburner is so loud, got to see some f15s flyby with and without, super quiet without, and absolutely blasted away with. So awesome.
As a USAF crew chief, the guy without ear protection drives me crazy. I had a guy lose a filling from a tooth during an F-16 engine run. So he’s either already completely deaf or completely insane.
The shot was taken at idle. These magic things called hands can block out a lot of sound when it gets louder. Not convenient, and hey, I am not his mother. But for a spectator, you don't really need hands, right?
Also, it was a long time ago, and I think he may have had earplugs in. It's so loud, as you know... that I use ear plugs under ear defenders when I am back there...
@@AgentJayZ wow its cool after 9 years buddy is still replying good work!
Pretty cool. And imagine, an F4 Phantom used 2 of those babies and these engines are from late 1950’s early 60’s. Pretty impressive or at least for me.
Hell of a leaf blower
Used to park at the end of the runway at El Toro and watch the F4's take off with full AB, it was awesome!
Thank's for the video.
I watched the the Thunderbirds at an airshow a couple of times in pocatello Idaho the first time the observer line was close and it was so freaking loud you felt it in your chest as they took off at full afterburner...the second time however they move the line a considerable distance back sill loud but not near as bone rattling, however we were treated with a high speed low pass of a B1 bomber at full afterburner which seemed to shake the earth. Great show it was I'll never forget it....nice demonstration of your engine I can relate to some degree 👍btw.
Hell yea wassap my algorithm bretheren
Served on the Forrestal with RVAH-13. Working nights as a cat checker standing between a Vigilante and a Phantom on #1 and #2 catapults in full AB, then you know what noise and vibration is!
Thank you for your service,not to mention being in one of the most dangerous jobs on the planet!
such a beautiful piece of ingenuity and engineering, i could watch it run for hours!
Many years ago I visited my brother on base when he was in the air Force. While we were there they were launching several B-52s and even though they must have been more than a mile away you could feel the house rattle.
B-52 generally my aren't bad on the base. There used to be a place you could pull off the highway off the end of the runway that was on Griffiss AFB. It was close enough that they would still have their landing gear down and they would be unbearable loud.
My Dad was a Navy F-4 Pilot in Nam and afterwords at China Lake Ca. To this day I cannot imagine the balls needed to strap yourself in front of 2 of these J-79’s. (Funny side note: the base had a large pool near the runways, My dad buzzed our little Ford Station wagon with Afterburners on! Scared the crap out of mom, Me and my Brother loved it, but it felt like the car was gonna flip over... lol)
Homefront please thank your dad for his service. You speak of having balls to strap on two of these engines. Now imagine riding them to downtown Hanoi with the whole sky lit up with AAA. That’s a very large pair indeed...
Nice shop heater.
I ordered one on aliexpress
In another life, myself & shipmates would R&R J-79's (dash 8's & 10's)
Pull a complete engine "check", & then make a ton of adjustments to the engine while it ran at various rpm' s in a Test Cell. Never saw this type of set-up. Our aircraft that utilized this engine was an RA5-C Vigilante. Eng was used in several other aircraft designs as well. ( F-4 & B-52) This was ( in my opinion) an excellent Sub-sonic engine that pushed the RA5C into Mach-2 speeds ! Biggest threats to causing engine damage was "FOD" & SAM'S ! .Funny thing, while visiting a Race track, there was a Jet Car that was powered by a J79 ! A visual inspection revealed so many defects ; I told the driver but I don't think he realized the danger he was exposing to himself & others. I watch their start-up and the 1/4 mile run from a distance. If we ever came across an engine like that n the military; and tried to start it, we would have been hung!
Yes, the jet car people take huge risks without realizing it. I think you meant B-58, eh?
Did the Vigilante have an afterburner? I thought it did.
Very cool. The hush house we used on Sunny Zwei had water nozzles in the building's exhaust duct. You had to notify the tower whenever we made steam as it was a lot. In the test cell you could adjust the fuel control at 100% laying under the test bed but you weren't allowed in the room during AB (afterburner) ops.
Someone: I have a BMW in my garage him: i have a millitary grade afterburner engine in my garage 😊
The other end of the hold down bolts have to be periodically torqued down by some guy just outside of Beijing
Although I never got to work/run the J79 engine (before my time) I have worked on/ran the PW-F100-220/229, the GE F110-100/129 and my favorite one so far, the F119-PW-100. the amount of power you feel coming off a turbo fan jet engine and max AB is literally breath taking.
Still terrific video even after all these years. Love the matter-of-fact manner in which you explain how these marvels of machinery do what they do.
That is one super strong tripod.
That’s a pretty cool r
Leaf blower you got there
Thank you for these - it's greatly appreciated.
I remember the noise of an f16 going afterburner whilst banking away from the crowd at an airshow when I was a kid; the sound is hard to explain, I felt it in my chest more than heard it through my ears. Unbelievable stuff!
I use to work on f 105 ,that had the J-79 jet engine In 1969 or 1970 ,we were fitted ear plugs and a head set .they are loud even with all that gear.
And this my friends is how you accelerate Earth's rotation.
You are hilariously incorrect. You made a joke of yourself. Laugh with us !
Hahahaha
@@AgentJayZ yes
@@AgentJayZ i cant tell if ur joking lol
10:40 How my neighbor's mower sounds like at 7 am
I used to live a few miles from McDonnel Douglas/Boeing. When I was in school the national Guard used to fly F-4 Phantoms 4 at a time right over my school. It was so loud!
Crazy engines...were used in F4s & F104 starfighters....8 min from wheels up Cold Lake to Edmonton = 300 kilometers