What is reverse thrust? Explained by CAPTAIN JOE


  • Am Vor 2 years

    Captain JoeCaptain Joe

    Dauer: 5:48

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    Today´s question is another favorite of mine. What is reverse thrust and when do you use it?
    Okay, I´ll break it down for you to the absolute basics.
    Reverse thrust is used to slow down the aircraft on the runway after touchdown.
    There are three main components which slow down the airplane on the runway:
    Primary Braking with disc or carbon brakes similar to your car
    Secondary with reverse thrust
    Thrid with aerodynamical braking with the ground spoilers
    So we have two words in reverse thrust.
    “Reverse” cause the turbines output is being guided into the reverse direction and as you might not know we apply "thrust" in order to increase the braking action.
    So let´s look at this video to see what happens at touch-down.
    Here you can see engine number one of a Airbus A320. At touch-down these flaps open up, so called “reverser doors”. They act as guiding vanes in the mid section of the bypass-channel of the turbine and force the accelerated air of the fan to blow into the opposite direction.
    Now these reverser doors don´t open automatically at touch-down, no you lift up these little levers which will activate the hydraulic system to apply pressure to the actuator which then opens the reverser doors. Keeping the levers in this position only give you “Idle reverse”, but as soon as you move the levers to the aft position, the engine will spool up creating more thrust increasing the reverse output. The engines will increase thrust up to 70% which then resembles in “Full reverse thrust”. I know it´s odd to think that you would apply thrust again just after touch-down.
    You can definitely hear the difference between “Idle” and “full reverse thrust”, trust me :)
    Using the reversers significantly decrease the landing distance, varying between aircraft, weight and environmental factors. If you look at this great video of here, showing a Boeing 747 touching down and applying full reverse thrust you can clearly see how the water on the runway gets blown forwards.
    I actually experienced that myself landing on a snow covered runway, we applied full reverse thrust and you could literally see the snow blowing infront of the aircraft.
    So when do you use reverse thrust?
    Using “idle reverse” at touch-down is mandatory by many aircraft manufactures and airlines. First and far most to immediately decrease the aircrafts speed and to stabilize the aircrafts roll out plus to reduce brake usage.
    Landing on wet or snow contaminated runways using reverse thrust is absolutely vital to decelerate the aircraft and preventing it from skidding and keeping it in a straight line.
    Full reverse thrust is not permitted at some airports due to noise abendement procedures or at least restricted in between hours from here to then. Nevertheless pilots can use full reverse thrust when deemed necessary, but might have to state their decision in a report.
    Airplanes with wing mounted engines may only use full reverse thrust until slowing down to a specified speed, cause using the reverser below that speed could blow up loose gravel on the runway which could get sucked into the engine and damage the turbine. For example in an Airbus A320 you would have to reduce "full reverse thrust to idle reverse" at 70 knots, and retract the reverser at speeds below 40 knots.
    There are many different reverser types out there, but all work after the basic principle by forcing the air or even the exhaust into the opposite direction.
    So I hope I´ve answered another aviation related question for you. If you have a question that´s been on your mind, don´t hesitate to write me, therefore subscribe my channel, check out my website and spread the word!
    Farewell your Captain Joe
    Info:

    Fairly often you see executive jets using reverse thrust during taxi, to reduce break usage whilst rolling down sloping taxiways. Cause of their high mounted engines pilots don´t need to worry damaging the turbine due to gravel on the asphalt.
    And the well know MD80 with her rear mounted engines use to have a power back procedure, where they used reverse thrust to back out of a gate position. I´m not 100% if that procedure is still around? Maybe you know? To me that looks very dangerous.

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elgamer anonimo
elgamer anonimo

Publish for the next video: What are EFIS?

Vor 2 Tage
Dr Teeth
Dr Teeth

The guy with that YouTube channel that calls himself mentor pilot says reverse thrust has no braking effect whatsoever and it’s function is only to cool the wheel brakes . It’s odd he would say that .

Vor 3 Tage
박호준
박호준

It is possible that reverse thrust during flight?

Vor 3 Tage
Brandon
Brandon

Why is there a black bar at bottom

Vor 4 Tage
Chris Fisher
Chris Fisher

Genius thank you Captain Joe

Vor 5 Tage
Darren Frank
Darren Frank

Great explanation Cpt. Joe!

Vor 6 Tage
Xen Tzo
Xen Tzo

hello captain, I would like to ask you, how does work the reverse thrust on propeller plane?

Vor 6 Tage
Hellosiri
Hellosiri

please explain how jet engine works?

Vor 7 Tage
Elvis Ugonna
Elvis Ugonna

Captain Joe please I need your help

Vor 7 Tage
Morris Nijland
Morris Nijland

Why did you uses Full reverse thrust when there was show then

Vor 7 Tage
VideoNOLA
VideoNOLA

Background music competing a lot with your voice on this one. :-/

Vor 8 Tage
Michael Mccarthy
Michael Mccarthy

Please. No background music. It's very distracting while listening to your narrative.

Vor 8 Tage
Thibaut GUERQUIN
Thibaut GUERQUIN

Look when Joe is explaining with his plane toy, and just imagine a plane doing those moves in the real world... not sure I would keep my lunch inside or even survives the g-force xD

Vor 9 Tage
Man Flex
Man Flex

Mentour Pilot said in his last Video: Reverse Thrust is only working on wet surface and it´s not braking on dry surface is that right?

Vor 9 Tage
Man Flex
Man Flex

He also sad it´s only for cooling the brakes

Vor 9 Tage
gravy boat
gravy boat

Why don't passenger jets have emergency braking parachutes like you see on military jets. For use in emergencies only of course ?

Vor 10 Tage
Rohit Verma
Rohit Verma

I was expecting some ani video :(

Vor 11 Tage
Brandon
Brandon

Frust

Vor 12 Tage
Roy Dick
Roy Dick

Can we have these brilliant videos with either very much lower music volume levels? May i also suggest that Captain Joe hangs a curtain on the wall of his office to cancel the echo? This may sound like "nit-picking" I know (and I promise to get a life before anyone suggest it). However, I wear hearing aids as do many other octogenarians and picking him out from the music and the echo was a problem. Keep up the most instructive and interesting videos. As an aviation enthusiast, I find them very interesting.

Vor 13 Tage
jayarama krishna
jayarama krishna

Nice video captain

Vor 14 Tage
1320fastback
1320fastback

No one Power Backs State side as far as I know. It's not cost effective or safe.

Vor 16 Tage
Aximus Roh
Aximus Roh

Thank you thank you thank you captain Joe 👍

Vor 17 Tage
bracco23
bracco23

Great channel, just started binge watching it! One question: since it is forbidden on an aircraft basis to use reverse thrust below certain velocities, do pilots actually have to pay attention to this or there are automatic systems which do that for you? If so, could you override them in case needed?

Vor 18 Tage
Jan Bloem
Jan Bloem

Definitely leaned something today - I always thought that the fans inside the engine started to turn in the opposite direction upon using reverse thrust like the propellers of a ship.

Vor 18 Tage
Hans von Gröbel
Hans von Gröbel

nice :) just one correction if you suck gravel or some debris from RWY it damages fan blades and could damage also compressor blades behind fan but for sure not turbine blades :) and if I understood you well then for reverse is mostly used secondary airflow generated by fan right? in that case no air go through turbie even in normal flight operation of engine. No offense, just some terminology correction :)

Vor 18 Tage
Pablo Moreno
Pablo Moreno

damn i bet you could do a J turn with that MD80, god its fast going backwards

Vor 19 Tage
John Maine
John Maine

captain joe what is that tune that you use at for instance 4.48 in this video ?? Please !

Vor 25 Tage
Mass dosage
Mass dosage

What if planes don't have reverse thrust

Vor 26 Tage
A2DJP
A2DJP

Mass dosage then you just use spoilers or good ol brakes

Vor 18 Tage
Dominique Boyce
Dominique Boyce

Could you just shut that annoying music while you speak? I like everything else

Vor 28 Tage
Ahmed LAHLOU
Ahmed LAHLOU

Captain Joe. You are so friendly and your videos are very well explained. It's a pleasure to watch you!

Vor 29 Tage
Mathew Dennison
Mathew Dennison

I know this must be impossible, but apart from the obvious what would happen if reverse thrust was applied while in flight? Would a total loss of control happen, would it literally drop like a stone, would you feel the deacceleration, etc etc etc.......

Vor Monat
A2DJP
A2DJP

Mathew Dennison yup. It wont drop like a stone, but it would definatly lose control, and it has happened before. Check out lauda air 04

Vor 29 Tage
Adlyn Mas1293
Adlyn Mas1293

50 40 30 retard retard retard apply reverse thrust

Vor Monat
AimPoint
AimPoint

Watch the c130 go imc when in reverse. http://youtu.be/pMesQUttmPQ Can this happen in a jet?

Vor Monat
Vs Lingam
Vs Lingam

Capt Joe is good. He explains in plain English, in bite-sized portions, which is easily understandable. Could you pls explain reverse thrust in a turbo-prop plane? Thank you.

Vor Monat
A2DJP
A2DJP

Vs Lingam the blade angles just change pitch so that they push air in the other direction

Vor 29 Tage
ID Movies
ID Movies

Blog on reverse thrust..visit http://phantomplane.blogspot.com/2018/12/what-is-reverse-thrustexplained.html

Vor Monat
Kitchen Marshall
Kitchen Marshall

Can you apply reverse thrust per engine in mid-flight in order to make shorter turns? (a bit like riding a tank on the ground) It could save lives in an emergency situation/ near collision, right?

Vor Monat
A2DJP
A2DJP

Kitchen Marshall no they cant. The aircraft will lose control

Vor 29 Tage
Matthew Barich
Matthew Barich

I've been on many planes with wing-mounted engines that used reverse thrust for pushback. That was in the mid 1990s. I think most of them were the 737-300. I don't know if they still do that.

Vor Monat
A2DJP
A2DJP

+Dylan Farrar Hmm. I don't have that much info regarding prices, so I'll take your word for it.

Vor 10 Tage
Dylan Farrar
Dylan Farrar

+A2DJP Nope, airlines in the 80s and 90s would reverse thrust out as often as they could as a tug was more expensive than burning the fuel.

Vor 11 Tage
A2DJP
A2DJP

+Dylan Farrar Unlikely, as any fuel not used for flying purposes is a waste of fuel And I am sure that using a tug would be cheaper than going full reverse with the engines.

Vor 11 Tage
Dylan Farrar
Dylan Farrar

+A2DJP it's not because of fuel, in fact it would be cheaper to reverse thrust out however it's very unsafe as it can cause lose objects around the plane to fly around

Vor 11 Tage
A2DJP
A2DJP

Matthew Barich they don’t do it anymore, as it uses too much fuel

Vor 29 Tage
ID Movies
ID Movies

Blog on reverse thrust please visit :phantomplane.blogspot.com

Vor Monat
devandra 2019
devandra 2019

Captain joe are you pilot or a co-pilot ??

Vor Monat
Ozzie Alarcon
Ozzie Alarcon

Your videos are great. Very interesting.

Vor Monat
Anwar Zainol
Anwar Zainol

Can pilot use reverse thrust to reverse the plane during taxi?

Vor Monat
Daniram Phagoo
Daniram Phagoo

Do pilots work 24-7

Vor Monat
A2DJP
A2DJP

Daniram Phagoo no, there are strict rules on how much can a pilot fly in a given timeframe

Vor 29 Tage
Ming Wei
Ming Wei

What if the pilot use reverse thrust in a water landing

Vor Monat
Mohammad Ashfaq Hussain
Mohammad Ashfaq Hussain

why do aeroplane doesn't go backwards and needs pushback

Vor Monat
Anton Chigurh
Anton Chigurh

Can i be removed from an airplane for excessive flatulence causing a bad odor?

Vor Monat
Manvi Vivek
Manvi Vivek

Can we use reverse thrust during takeoff?

Vor Monat
A2DJP
A2DJP

Manvi Vivek why would you do that though? Only case this would be done is an aborted takeoff

Vor 29 Tage
vrx Cld
vrx Cld

What happens if the pilot activates reverse thrust during a go around?

Vor Monat
Ryzer Hazard
Ryzer Hazard

Captain Joe I have a question which is why only two engines of a Boeing 747 and an A380 open up during reverse and not all? Hope you can explain that it’s been bugging me for a long time and I plan to explain it for a school project Please help me thank you!!!

Vor Monat
고등 지능 ODINS trash
고등 지능 ODINS trash

The American air force doesn’t use such thrust for cargo, only the soviets do, hahaha!

Vor Monat
Leus Reit
Leus Reit

2:23 - "China boeing 747"? Well marking says that it is JAL - Japan Air Lines...

Vor Monat
A2DJP
A2DJP

Leus Reit “showing a Boeing 747”

Vor Monat
Leus Reit
Leus Reit

Or did I mishear?

Vor Monat
Nayonika Sharma
Nayonika Sharma

What do aircrafts do when they are advised to continue roll and expedite vacation from the runway?

Vor Monat
Nayonika Sharma
Nayonika Sharma

+A2DJP thankyou for this!

Vor Monat
A2DJP
A2DJP

Nayonika Sharma yea the former. As in not applying too much brakes, or if the aircraft is too slow, maybe a bit of thrust

Vor Monat
Nayonika Sharma
Nayonika Sharma

+A2DJP I understand that, but does that mean that the aircraft would not decelerate completely or do they accelerate again?

Vor Monat
A2DJP
A2DJP

Nayonika Sharma that means to continue moving ahead(ie don’t stop on the runway) and vacate the runway (expedite means hurry up or do it faster)

Vor Monat
pramod m rao
pramod m rao

Have you ever experienced a near crash or a catastrophic situation... Please make a video about it..

Vor Monat
Steven Garner
Steven Garner

I just love how he says "reverze thruzt"

Vor Monat
RedDestroyer Gaming
RedDestroyer Gaming

This is not the only pilot channel, mentour pilot is also a pilot on youtube

Vor Monat
AsSeenOnTV
AsSeenOnTV

This guy must get so much ass

Vor Monat
halel tolentino
halel tolentino

why do a380 have only two reverse thrust but the 747 and a340 have 4 reverse thrust a

Vor Monat
unknown gaming
unknown gaming

2:37 the 747 is a giant leaf blower

Vor Monat
Ur a Noob
Ur a Noob

Where can I purchase that big leaf blower?

Vor Monat
Gustavo Salazar
Gustavo Salazar

How many years of school needed to be a pilot?

Vor Monat
Schwarze999
Schwarze999

reverse thrust has been out of protocol since the 1980's sir you can ALT F4

Vor Monat
devika nilangani
devika nilangani

hi do you have anything about using ils or vor ? please let me know

Vor Monat
hi
hi

I got an embraer ad before this

Vor 2 Monate
Really rad Oli Grindrod
Really rad Oli Grindrod

Are you a captain or first officer

Vor 2 Monate
Moazzam Ali
Moazzam Ali

Sir what is trime throttle? On Ground

Vor 2 Monate
Stanislav Zolotarev
Stanislav Zolotarev

GO CAPITAN!!!!!!!!

Vor 2 Monate
Dominique Buzon
Dominique Buzon

It's weird to me that the intake being the same amount of air than the output could actually produce a reverse thrust..

Vor 2 Monate
ABDALRHEEM AHMED
ABDALRHEEM AHMED

I’d ask you about the ECAM system if it’s have a fuel quantity in the display so that can indicate the fuel quantity as a backup?

Vor 2 Monate
Keane Ong
Keane Ong

captain joe,can u make a video of u landing a a320 in the simulator?

Vor 2 Monate
Shalabh Agarwal
Shalabh Agarwal

Hey joe can we deploy reverse thruster in air during aprroach

Vor 2 Monate
A2DJP
A2DJP

Shalabh Agarwal no. There have been crashes because of reverse thrusters being deployed in the air

Vor Monat
Mark
Mark

Not on any commercial aircraft

Vor Monat
Khaleel Mohammed
Khaleel Mohammed

What causes the loud rumbling sound while the aircraft lands? Is it the trust reversers also?

Vor 2 Monate
Bruno Tito
Bruno Tito

Superbe vidéo comme toujour et je suis heureux de voir que ses sous titré en français pour moi ses sa l'importand si toute vos vidéos serai traduite en français un plus grand max de mondes s'abonnerai à vos vidéo👉 qui son superbe je vous le rappel 👍👍👍👍👍.

Vor 2 Monate
Sundar Warang
Sundar Warang

i love this video

Vor 2 Monate
Cilok 8108
Cilok 8108

🙈Reversed,,,Thus~🙊😹😘✌...

Vor 2 Monate
Javier Cervantes
Javier Cervantes

On the Front sometimes like the A380 his 4 Engine

Vor 2 Monate
Javier Cervantes
Javier Cervantes

How do plane have 4 or 2 engines

Vor 2 Monate
ajay davies
ajay davies

Can reverse thrust bring the plane backward. If so, then why do we use pushback trucks???

Vor 2 Monate
Sagar Thik
Sagar Thik

Hey captain joe i have a question in my mind hope u will answer it.... Question- suppose u r flying a commercial jet then u come to know that your one engine is failed then at emergency landing is their any need to have fuel dump?and second question how will u manage applying reverse thrust when u have only one enging in hand? Thanks in advanced!!

Vor 2 Monate
Sagar Thik
Sagar Thik

+A2DJP ty buddy👍

Vor Monat
A2DJP
A2DJP

Sagar Thik dumping fuel is to ensure aircraft weight is less than max landing weight. So if the Weight of the aircraft is less, fuel dumping isn’t required. And secondly, you can use idle reverse or no reverse thrust when landing with single engine using the rudders for yaw

Vor Monat
Aircraft Galaxy 1999
Aircraft Galaxy 1999

Idle Reverse is mostly Used Full Reverse is used Sometimes

Vor 2 Monate
Potte Puchi
Potte Puchi

Nice vid capt.. I used to think that the turbofan blades rotate in opposite direction when reverse thrust is being used... 🤣

Vor 2 Monate
Music Maker444
Music Maker444

5:30 Ya it was banned in the 1980s

Vor 2 Monate
Vv hese
Vv hese

Hello Captain Joe. May I know if their any kind of breaking like using spoilers to slow down before the landing gear touches the ground.

Vor 2 Monate
BR Tech
BR Tech

What happens if you apply reverse thrust while cruising

Vor 2 Monate
Pablo Moreno
Pablo Moreno

you can't, there is a safety feature that stops that from happening, just in case one reverse thrust is engaged during flight resulting on a violent loss of speed and lift on only one wing, so you would lose control inmediately, however on some planes (specially turboprops like ATR) you can engage reverse thrust in flight, great for loosing speed more quickly or making step descents without gaining speed

Vor 19 Tage
rcy jeff
rcy jeff

MD80 looks so coooooool

Vor 2 Monate
Karl Whelpdale
Karl Whelpdale

why does he keep saying "frust"?  Am I wrong in assuming a pilot is educated and so knows how "thrust" is pronounced?  He seems able to pronounce other words beginning with "th".

Vor 2 Monate
Mr. Menace
Mr. Menace

thats how that plane backed out with no push back!! i work at Tampa International and a few months back i noticed Delta plane back out of the gate with no push back. i was the only one that noticed it and i didnt understand what i just saw so i kinda just assumed it didnt push back by itself. i was walking and by the time i looked back at the plane it was away from the gate some how. THATS SO DAMN COOL! LOL! i need to get a video of one doing it i havent seen it happen again.

Vor 3 Monate
Aayush Gautam
Aayush Gautam

I love you Captain Joe

Vor 3 Monate
harish nathan
harish nathan

captain joe...how do pilots guide the flight during taxi???ive seen that don't use anything while taxing but how they give direction while taxing???

Vor 3 Monate
when i die burry me with all my ice on ElVee
when i die burry me with all my ice on ElVee

You have great thing going on. You get payd from youtube and from being pilot

Vor 3 Monate
Junaid Afridi
Junaid Afridi

I love the way you explain captain.

Vor 3 Monate
Charles
Charles

maybe a few more interesting points: Required landing distance / runway length (incl. reserves) must be calculated WITHOUT reverse application, i.e. with wheelbrakes and aerodynamic devices only (exept for abnormal approaches / emergencies) below 70kt back to idle reverse in addition to prevent backfiring and the very marginal effect of reverse thrust at low speeds. Happy landing folks !!

Vor 3 Monate
Truthfears Guilty
Truthfears Guilty

Dear Captain, Is that short for Joseph, Josef or Josif?

Vor 3 Monate
튜브염
튜브염

plz korean sub asap

Vor 3 Monate
kvajeblostari
kvajeblostari

how about propellers did they run on reverse to brake too ...

Vor 3 Monate
hbarudi
hbarudi

This reverse thrust (combined with opening flaps and other on wing drag inducing objects) seems like it is good to be used only for slowing down from the full over 500 miles per hour speed down to car speeds (like 60 miles per hour) where you can turn it off and be able to simply use the brakes like a normal car as you come to a full stop and close the flaps and wing drag inducing objects. Why do you need the full aircraft engines for the slower car speeds even to back out of a gate when engineers and manufacturers can simply make the wheels act like a car and simply drive the plane on the airport roads as if an ordinary car at speeds 60 miles per hour or less. (800km/h=500mi/h and 96km/h=60mi/h)

Vor 3 Monate
Larry K
Larry K

Can you accidently use reverse thrust when in the air flying? I'm thinking not....just wanted to make sure there are safeguards against that kind of thing!

Vor 3 Monate
Mark
Mark

No

Vor Monat
Michael Davis
Michael Davis

If that's the number one engine on an airplane, then it is opposite as it would be on a ship; port even, starboard odd.

Vor 3 Monate
Mark
Mark

Engines on aircraft are counted Left to right. That is aircraft left looking forward from the aircraft, not looking aft at the aircraft.

Vor Monat
Redblade
Redblade

I thought reverse thrust was to pull out of a dive.

Vor 3 Monate
Foxy The Savage Fox
Foxy The Savage Fox

Reverse trust * Relizes you need to take off Oh COME ON!!!!!!!

Vor 4 Monate
DsYkX Plays games
DsYkX Plays games

1:05 Hey look! A necelle strake!

Vor 4 Monate
Gary Vale
Gary Vale

@ Capt Joe...............can the reversers accidentally be deployed in flight?

Vor 4 Monate
poiuytrewq0987lkj
poiuytrewq0987lkj

Captain Joe, I have noticed in many videos A380 only uses 2 engines for reverse thrust but A340 uses all 4. why is that?

Vor 4 Monate
Julia Roberts | Jesse L. Martin | Justice League 001 (2016) (2 covers) (digital) (Minutemen-Thoth).cbz (- Nem -)