WHY is there a SPIRAL in a JET ENGINE? Explain by CAPTAIN JOE

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  • 15/03/2018 को प्रकाशित
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    Dear friends and followers, welcome back to my channel, clarifying another great question. Why is there a spiral or swirl in a jet engine?
    The primary reason for painting designs on engine spinners is for the safety of ground personnel. Working near a running jet engine is extremely dangerous. For example, a Boeing 737 engine, running at idle power, has a hazard zone of 9 feet to the front and sides of the engine. This means that, even at idle thrust, a human that walks within the hazard area or any loose objects, risk being sucked up into the engine. When the engine is above idle thrust, the hazard zone increases to 14 feet or more. Not to speak of the even larger hazard zones of a B777 for example. Therefore it´s absolutely critical that ground personnel can identify a running engine and stay away from it.
    Even though jet engines are incredibly loud, a running engine may not be obvious to ground personnel. Airport aprons often have several aeroplanes in close proximity with engines screaming next to each other. Therefore ground personnel have to wear hearing protection to suppress the deafening noise. Making matters worse, it can be hard to see that an engine is running, especially during night-time operation, as the black and grey fan blades become translucent when they´re spinning.
    Therefore spinning spirals make it a lot easier to identify a running engine. Besides that, ground personnel can check if the aeroplanes´ red anti-collision light is still flashing. This indicates that pilots have received their start-up clearance and will start the engines very soon. On arrival at the gate, the light is turned off by the pilots after the engines are shut off and „spiral“ down, after which it is safe to approach the engines from either side.
    For the same safety reason, the tips of propeller blades on propeller-driven aeroplanes like the Dash Q400 are painted in bright colours, to be more visible to the human eye. You won´t believe how many incidents have happened in the past involving jet engines and ground personnel.
    Do they scare away birds? That and more information in the video!
    Thanks for watching, all the best your "Captain" Joe
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टिप्पणियाँ • 1 945

  • Sha Vayra
    Sha Vayra 2 दिन पहले

    good job joe

  • Mikosch2
    Mikosch2 2 दिन पहले

    Ze Germans painted spinner spirals to confuse enemies? Sounds about as credible as the Chinese painting spinnel Yin-Yangs to calm enemies down :)

  • Max [Nc]
    Max [Nc] 3 दिन पहले

    Plane sharingan

  • Samuel Sujuno
    Samuel Sujuno 3 दिन पहले

    NO CAPES!

    LIKE IF YOU GET THE REFERENCE!

  • Maria Belinda
    Maria Belinda 3 दिन पहले

    Eeeeeei phil airlines gets a shout out thank u

  • Allan Richardson
    Allan Richardson 5 दिन पहले

    In the US, “Apostrophe” is pronounced “a-POS-tro-fee”.
    Aside from that, great video!
    I’m sure there are many German words that Americans who speak German might mispronounce. Like “Mar-LAY-na” Dietrich pronounced “Mar-LEEN.”

  • mamneo2
    mamneo2 8 दिन पहले

    Where is the sharingan spinner? I crave for one...

  • Sunshine
    Sunshine 9 दिन पहले

    "...and the birds aren't happy about it either."
    Trocken. xD

  • ROBLOX 1337
    ROBLOX 1337 9 दिन पहले

    What about a fidget spinner logo on the jet engines.... 👌🏻😂

  • rajeshneervilakam
    rajeshneervilakam 10 दिन पहले

    Captain why don't we use a grill in front of the engine opening instead of using it opened

  • fxris xmxli
    fxris xmxli 10 दिन पहले

    The spiral put a genjetsu on you.

  • Marzipan Wars
    Marzipan Wars 10 दिन पहले +3

    Wow just discovered this channel and I really like it!

  • Gingka Hagane
    Gingka Hagane 11 दिन पहले

    the horseshow one is really hard to find. . .

  • Alexander Rhein Madrid
    Alexander Rhein Madrid 13 दिन पहले

    2:09 I See The Philippine Airlines

  • Mich Mart
    Mich Mart 13 दिन पहले

    Wow it is very interesting!
    It is not for a decoration!

  • wierd physics
    wierd physics 13 दिन पहले

    A Bird hit is also an expensive way in case of cooking for Thanksgiving

  • God Of War Ares
    God Of War Ares 14 दिन पहले

    I wouldn't be surprised is one of the engine manufacturers painted a fidget spinner just for shits and gigs.

  • Derfla Oal
    Derfla Oal 15 दिन पहले

    Bird Scare
    AMT's guide engine spooling.

  • nicha cha
    nicha cha 16 दिन पहले

    Hi capt may i ask why the tip of engine cone is rubber? I hope you noticed this and thank you 😘

  • Ninja Gamer
    Ninja Gamer 18 दिन पहले

    Hi Swiss001 watchers.

  • Aksa Faisal Affandie
    Aksa Faisal Affandie 18 दिन पहले

    intro song?

  • Aviation Enthusiast Sam
    Aviation Enthusiast Sam 19 दिन पहले

    Magnificent video Joe keep it up

  • Ghld4er
    Ghld4er 19 दिन पहले +1

    Why not just paint a few blades white?

  • Skomantas Budrys
    Skomantas Budrys 20 दिन पहले

    Well one question: So if they are from WW2 That means they were in concord times. Did concord had anything like that? If he had then what?

  • Mika 900
    Mika 900 20 दिन पहले

    Everyone commenting on his pronunciation needs to travel more.

  • CheezyWeezy
    CheezyWeezy 20 दिन पहले

    I want to be a pilot

  • harry doherty
    harry doherty 20 दिन पहले

    I heard the English is spoken by all pilots because it's the easiest to understand . But. on you tube video i do hear different languages being spoken .is this because there more comfortable in there own language when in there own country?.

  • Max Rebhorn
    Max Rebhorn 20 दिन पहले

    Why don't they then paint the turbine blades so birds don't think it's a cave?

  • JUGGALO FAYGO ICP WHOOP WHOOP
    JUGGALO FAYGO ICP WHOOP WHOOP 21 दिन पहले

    Birds getting sucked in during flight how big does bird object does it have to be to have engine explode due to object what is blade's made out off

  • JUGGALO FAYGO ICP WHOOP WHOOP
    JUGGALO FAYGO ICP WHOOP WHOOP 21 दिन पहले

    Night time how does spiral work caint see

  • Zeke2p9
    Zeke2p9 21 दिन पहले

    Their cool.

  • TeaSnailGaming
    TeaSnailGaming 22 दिन पहले

    *r.i.p. bird, just wanted a cool nest.*

  • Saad Jan
    Saad Jan 24 दिन पहले +3

    Captain Joe $40 not 40$.

  • TAKIZAWAYAMASHITA
    TAKIZAWAYAMASHITA 26 दिन पहले

    ok if birds are attracted to the blackhole seeing the engine inlet as a dark cave. Why not paint the fan blades white along with the spinner cap, the bird would see a white object and not a cave and decide to avoid it instead of flying into it

    • TAKIZAWAYAMASHITA
      TAKIZAWAYAMASHITA दिन पहले

      +Rick Traveler Smith thats easy paint them properly lol they are painted at the factory anyway soooo this concern is redundant

    • Rick Traveler Smith
      Rick Traveler Smith दिन पहले

      Paint has weight that can imbalance the blades or could chip off and damage the motors.

  • Gary He
    Gary He 26 दिन पहले +2

    When I was younger, I used to be addicted to seeing those. So everytime I go to an airport, I always want to see the spiral stuff. I have an interest in plane engines.
    I have only seen the G swirl and comma before

    • jared gameplay
      jared gameplay 8 दिन पहले

      I once saw the whole Ubisoft logo on one.

  • Sam ツ
    Sam ツ 27 दिन पहले

    *Mangekyou Sharingan*

  • Carlos_A_M
    Carlos_A_M 28 दिन पहले

    Play a loud bass boosted ear-raping audio to scare the birds.

  • Try again Tuesdays
    Try again Tuesdays 29 दिन पहले

    How do birds even get so close to planes as they’re so loud?

  • IAH_Spotter
    IAH_Spotter महीने पहले

    Zie Germans i love that ha ha

  • Nadil Ibrahim Lim
    Nadil Ibrahim Lim महीने पहले

    Wow! The engine on the thumbnail is the new GE900X

  • Joemare Duran
    Joemare Duran महीने पहले

    2:9 Philippine Airlines

  • Filip Ladan
    Filip Ladan महीने पहले

    The comma looks like something else, and u know it.

  • alec chandler
    alec chandler महीने पहले

    i like how he says apostrophe

  • NOOB
    NOOB महीने पहले

    Is there a chance that airplane can ran out of fuel or electricity

  • Smoky
    Smoky महीने पहले

    Why dont people just put mesh infront of the engine? maybe in a cone shape to defelect thing at high speeds?

  • Micah Epps
    Micah Epps महीने पहले

    Rotation indicator

  • Rocket Number 9
    Rocket Number 9 महीने पहले

    The fact that they don’t have an industrial name is almost as interesting as their purpose!

  • Larry TheSunscreenMan
    Larry TheSunscreenMan महीने पहले

    My uncle was a pilot for this dodge airline that flew in the middle of no where and one time when on the runway this dude from ground staff jumped in front off the plane to ask for a tip. Long story short that guy got sucked in the engine.

  • Patrick Loki
    Patrick Loki महीने पहले

    cant they put wire mesh to the engines so that wen things get sucked do get into the engine?

  • Dmitry Snopkov
    Dmitry Snopkov महीने पहले

    I think that also some sort of stroboscopic effect at nights caused by illumination lights may "freeze" fan blades to the eyes of a ground service worker. Spiral in this case indeed remains visible.

  • Valu Miya
    Valu Miya महीने पहले

    5:13 I saw the comma before 😄

  • David R
    David R महीने पहले +1

    For years I wondered now I know
    Thanks

  • mikemoair
    mikemoair महीने पहले

    what controls the speed of a plane in steady flight?

  • mayukh pankaj
    mayukh pankaj महीने पहले

    Thanx captain joe !!

  • Thu Trang Le
    Thu Trang Le महीने पहले

    So you are a first officer

  • alphadawn2015 lennon
    alphadawn2015 lennon महीने पहले

    funny, i was just thinking about this the other day. logic told me it was to do with letting people on the ground know that the propellar was in motion. funny this came up in my recommended videos as ive never never searched for this information lol

  • Bill Strachan
    Bill Strachan महीने पहले

    why not paint the engine turbines a different color to prevent birds from going towards the engine?

  • Cocoa So Sweet TV.
    Cocoa So Sweet TV. महीने पहले

    captain Joe, which Airlines do you work ?

  • Kodjo Samuel
    Kodjo Samuel महीने पहले

    Why do planes don't go reverse by themselves , but it always push back at the airport before taking off

    • Kevin Frank
      Kevin Frank महीने पहले

      They acctually used to do it but I don't know why exactly they stopped doing it. My guess would be that the pilots can't see anything behind them when reversethrusting themselves backwards potentialy putting lots of people into danger.
      The little car thingys have a way better view.

  • Nicholas Williams
    Nicholas Williams महीने पहले +3

    I've never heard someone pronounce apostrophe as "ah-pah-straw-ff"

  • Gideon macalino
    Gideon macalino महीने पहले

    good pilot is always learning and calm.

  • MargeM304
    MargeM304 महीने पहले

    Why can't there be some kind of screening or grating installed in the round front of the engine to allow air through but block birds (and people!) from getting sucked into the blades?

  • simosc2
    simosc2 महीने पहले

    Thank you...I did wonder about this

  • Rayhan Gazi
    Rayhan Gazi महीने पहले

    Why don't they just paint the fan with lite color to prevent the birds strike?

  • FIDIRONU
    FIDIRONU महीने पहले +2

    "the birds aren't happy about it either" 😂
    You think?
    Yes, I imagine the birds are somewhat miffed.

  • cyclistpilot
    cyclistpilot महीने पहले

    8:67

  • General R. E. Lee
    General R. E. Lee महीने पहले

    the birds aren't happy about getting sucked into the engine, but I doubt they know what ever hit them

  • Chezther Inmenzo
    Chezther Inmenzo महीने पहले

    The Typhoon/Hurricane

  • Aaron Vlogs
    Aaron Vlogs महीने पहले

    Philippine Airlines Is Included Wow Such a Best Airline for the Filipinos and other People

  • Putaspellonyou
    Putaspellonyou महीने पहले

    Cuz they look awesome. No other reason needed.

  • ImWeird
    ImWeird महीने पहले

    2:09 PHILIPPINE AIRLINES!!

  • ryehaaan
    ryehaaan महीने पहले +6

    looks like sharingan 😂

  • Neti Naik
    Neti Naik महीने पहले

    The horseshoe spinner design is the same as Jockey undergarments logo. 😂

  • OFFICIAL NSA
    OFFICIAL NSA महीने पहले

    *standing too close to engine at idle* You guys seen tom? He was just here a second ago..

  • OFFICIAL NSA
    OFFICIAL NSA महीने पहले

    I always figured it was a visual identifier so you could be 100% sure the engine was working right...was i right? We will see when i get more into the video ..

  • Richard Quantrill
    Richard Quantrill महीने पहले

    Why don't they paint the swirl over the whole propeller area. Why only the nose cone? Surely the bigger the swirl the easier it will be to see by people and birds.

  • Omar Verstraeten Sabry
    Omar Verstraeten Sabry महीने पहले

    The birds thing : why dont they paint the blades white?

  • JamezGamer222 Rblx
    JamezGamer222 Rblx महीने पहले

    LOL I know Phil air no wonder its typhoon the Philippines has most of the typhoons

  • DY Productions
    DY Productions महीने पहले +2

    who says apostrophe like that??

  • Dev Singh
    Dev Singh महीने पहले

    That horseshoe looks like a mangekyou sharingan

  • Adam Mc Garrity
    Adam Mc Garrity महीने पहले

    'ZE GERMUNS

  • Mohamed Elsheikh
    Mohamed Elsheikh महीने पहले

    For long time I thought the main function of the spiral . Is when the engine is switched on. The ground engineer is needed to examine the engine by looking at the spirals and give the okay to the pilot

    • Kevin Frank
      Kevin Frank महीने पहले +1

      "The spirals look pretty spiraly to me. You are clear for takeoff"

  • Lex Dela Cruz
    Lex Dela Cruz महीने पहले

    2:07 PAL

  • Tegjwok John
    Tegjwok John 2 महीने पहले

    Did anyone else get an Embraer ad before the video?

  • Ukraine2011
    Ukraine2011 2 महीने पहले

    I thought that's what they were for. But I wasn't aware of that red light meaning on top of the plane though

  • Tony Santana
    Tony Santana 2 महीने पहले

    Why they don’t just paint one blade with a neon color so you can see The blade better

  • Cameron Bratz
    Cameron Bratz 2 महीने पहले +9

    According to Captain Sully’s landing in lake Hudson, no, the spirals don’t scare birds.

  • Jim Perry
    Jim Perry 2 महीने पहले

    I've seen a ground crewman pulled into the intake of an F-4. It's not a pretty sight.

  • KiteString Gaming
    KiteString Gaming 2 महीने पहले

    What’s a plane?

  • ツ expensive gurl ツ
    ツ expensive gurl ツ 2 महीने पहले +4

    I thought it was just a deco 🤦‍♀️🤦‍♀️😐😂

  • Jeff Lee
    Jeff Lee 2 महीने पहले

    In auto racing we called the markings op chalk. I don't think they have differing names around circuits. Just operational chalk (op chalk is almost always a paint, wax or chalk) and is the mark on the gear or wheel For example; if the chief wanted to know if a cam, or piston was TDC (top dead center) he would say to his Apprentice to check the op chalk on the cam gear

  • BigTymin
    BigTymin 2 महीने पहले +1

    10 million to replace an engine? im in the wrong buisiness

    • ptschafer
      ptschafer 2 महीने पहले

      Yes. So am I.

  • Connor Mcgee
    Connor Mcgee 2 महीने पहले

    I knew some of the planes in PAL uses G spiral too, or I was just too dumb to look at it.

  • BertyFromDK
    BertyFromDK 2 महीने पहले

    Very interesting, thanks for the video.

  • Eugene Elkin
    Eugene Elkin 2 महीने पहले

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    🏁💨🍮🥧🍡🍧🍨🍦🍰❗! 🐊🐋🐳🦈🐬🌺🌺🌺🥀🌹🌹🌹🌹🌷🌷🌷🌼🌸💐🍁🍂🐡🐟🐠🦐🐙🦑🐖🐎🐑 🐏🐐🦏🐘🐫🐪🐄🐂🐃🐅🐆🐯🦄🦌🦒🐴🐨🐭🐦🐒 🦍🐣🐥
    🏁💨🍮🥧🍡🍧🍨🍦🍰❗! 🐊🐋🐳🦈🐬🌺🌺🌺🥀🌹🌹🌹🌹🌷🌷🌷🌼🌸💐🍁🍂🐡🐟🐠🦐🐙🦑🐖🐎🐑 🐏🐐🦏🐘🐫🐪🐄🐂🐃🐅🐆🐯🦄🦌🦒🐴🐨🐭🐦🐒 🦍🐣🐥

  • BlackShark Motorcycle
    BlackShark Motorcycle 2 महीने पहले +2

    APA-STROF! lol

  • Konaan Hughes
    Konaan Hughes 2 महीने पहले

    They actually use "bear bangers" to scare the birds away at Edmonton International Airport. I have fueled that Russian Antonov that sucked in that bird. That plane is massive.

  • Cool kid231
    Cool kid231 2 महीने पहले

    that eva air 777 at the beginning is so motherfucking sexy

  • Mohammed Monabbir
    Mohammed Monabbir 2 महीने पहले

    Someone should draw the sharingan on a engine.

  • Aayush Das
    Aayush Das 2 महीने पहले

    Who else here loves Bf-109s?