B747-400ERF Flap retraction
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- Опубликовано: 3 окт 2024
- If you watched the video on Flap extension, you will no doubt be keen to see the flap retraction sequence. For retraction, the trailing edge flaps retract first until Flap 5 is selected when the outboard variable camber flaps retract. The mid-span variable camber and the Krueger flaps then retract on selection of flap ‘UP’ position. There you have it! Flap retraction on the B747-400ERF. Hope you like it. Later!...
Those trailing edge flaps on the 747 are GIGANTIC. Gives you a totally different sense of scale and proportion seeing them from the ground!
The entirety of the 747 is awsome, but an up close of the hydraulic flap mechanisms is amazing! All those moving parts means all that maintaining and repair for optimal safe performance...mind boggling!
I’m pretty fascinated at the engineering behind this. Great video
สันญลักษะ แอร์..แฉก.ใบ.ปรับอากาศ.
This is some of the most helpful, and interesting content ever! Being a 3D artist for a flight simulator, it's amazing having RUclips videos like these. Thanks so much Obet maz747!
My pleasure 😊
Which flight simulator u make?
As an A&P maintenance mechanic. i would really like to thank you for your videos, great and in depth details, straight forward, and easy/clear explanation . Makes it much easier to understand what I'm studying. thanks Captain Obet
My pleasure Sir
Absolutely IMMACULATE video of the inner, complex workings of what most people will
never see or understand otherwise. So many moving parts. It is amazing to see in it's
operational form. Thank you, my friend.
My pleasure
The people who build these planes are absolute masters!
I'd love to see Orville & Wilbur's comments on their standing there with you after they were "beamed" forward in time from 1903!
Sir, you are really catering to the needs of aviation enthusiasts ……. it took me ( observing, reading, and when, if available, appropriate asking) years to compile the knowledge your so vividly presenting. I cant thank you enough, Salute!
My pleasure 😀
You can hear the APU sagging under load when the mechanization is moving. Thank you, this is interesting.
Thank you for walk outside if the aircraft. It is always nice to do that.
You are welcome. I love aircraft and Aviation Industry in general.
That was amazing to watch! Those jack screws are massive. Thank you again, great video!
thanks
It is amazing how massive those wings are on the 747! Thank you for the great video!
You are the best Captain! 👏🏻👏🏻💪🏻
The 47 wing has a large enough chord when it's 'clean'. But wow, with the flaps, the Kuregers and slots deployed, look how enormous is the camber !!
Thank you Captain for another wonderful lesson! Later!
How did I not know about your channel before?!
Your content is incredible, definitely a new top fan here. Safe flying, keep the videos coming!
My pleasure.
Nice..... now I wanna see B-52 Flaps!
Nice. Gorgeous! I really liked to see and hear the jack screws turning ! Aarre Peltomaa
Great video, thanks!
Just Brilliant, to Joe average you don't realise how all these systems work. Well done.
Why do you keep moving the camera?
Thanks for the video.
It’s because I was trying to capture as much of the moving parts as possible- I only had this one opportunity- it’s irritating and I apologise- will try something better if I get another chance
The 747 does not simply deploy or retract flaps.... It deconstructs and rebuilds its wings inflight.
It's like a Transformer, lol
Excelent! Thank you Very much for your vídeo!
Jean - Brazil
My lovely Jakarta and terminal A with Lions stands behind your stand K15. So many times I began flights from this terminal. And I love B747 as well. I flew this aircraft also. Maybe I’ll return to Indonesia again somehow.
MSFS Developer ASobo needs to take note of this video and the few others, they STILL cannot get this sequence correct.
Just Brilliant.
Great video my friend. See you on the next one.
the boeing 747 is a wonderful machine. She's big, powerful, nimble and retains a lot of speed when maneuvering
Yes indeed😀
please sir i need your supporting to be come a pilot is my passion
My passion is for the B747’s, L-1011’s, and Airbuses’! B707 and DC-8 amongst others had their own legacy, but the former two and the Twin-Engined Wide bodies of Airbus were remarkable milestones!
Too right!
Nice video 👌👍 giant 747
Awesome and very detailed Video..one of the best Videos I seen about Planes 👍👍
Thank you
Camera guy: film everything except the thing that is moving
Just subscribed! More like these please!!
Beautiful....!
I really love the 747. It has been my favorite arliner since I was a child. Played hundreds of hours over various MSFS installments on PC. Wished it was properly simulated in the newest one, but sadly it has many problems. Your videos though are a great help to compensate the pain over that issue. Please show us more about this beatiful piece of engineering and aviation history!
If you have not already, consider me intrested in the hydraulic and fuel system!
If you're interested in a perfectly modelled B747-400 simulator then take a look at www.aerowinx.com
I use it and just use MSFS for the visuals only.
The user forum is very active too.
The flap alone is worth watching just to retract it self back to full descent and ascent
This is so awesome!!! Great content!
Thanks
747 forever.
Comandante o senhor apresentou um conteúdo espetacular, parabéns !
👍 Looks like barn doors !
Nice, thank you!
Pretty awesome
Choose one convenable position, focussing one subject I.e the jack screw and stay on the spot .
I know- sorry…getting better at it😀
Great video but the constant fading in of "Pilot_obet video" is really annoying!
I know- I apologise. Will use a microphone properly for such videos next time. It will be better.
Not my favorite plane.
But I appreciate all the vids and aviation knowledge you share with us..
Keep up the great work..
Thanks- it’s ok not to like the plane too😊
@@pilot_obet I dont know about that, how can any sane person dislike the Queen? 😱😱
Great!
Instead of the pies it is Mi Goreng at WIII.
That was so cool
Nice video! Shared on my FB page "Boeing 747 The Queen of the Skies" !
Cool- thanks 😊
Will join group👍🏾
Very nice!
Krueger flapes are also known as slats
No, Krueger flaps are not known as slats. They are 2 different leading edge devices. The Krueger flaps fold out from under the leading edge to increase the wings camber or “curve” to increase lift. Slats are attached to the front of the leading edge and when they extend the push out forward and down to open a slot gap between itself and the wing so that high pressure air from the bottom of the wing to energise the top air and reduce stall speed. The 747 as only Krueger flaps and no slats. Planes like the 737 has both. Krueger flaps between the fuselage and engines and slats outside the engines towards the wingtips.
jack screw is literally open in the air how much dust or garabge it collect seems like they have to be cleaned every month or checked every flight i dont know
COOL
Can you post the same video for 747-8? Thank you!
And that is how a plane that cruises at 0.85 Mach can land at 125 kts.
Love it 😍😍😍😍
how do rear flaps affect, affect engine gases, and how engine gases affect the flaps ???
Older planes like the 747 have a "thrust gate" which is a gap in the flaps where the engine thrust passes through. The inboard gap on the 747 houses the all-speed aileron.
Modern planes like the A380 have flaps all across the wing and these capture thrust on takeoff and channel it downwards, reducing the takeoff run distance.
Some planes also use the all-speed aileron as a flap or as a flap/spoiler as well, called a flaperon. Airbuses don't have all-speed ailerons though, it's a Boeing thing only. Maybe the A300/A310 had them though.
Nice video mate!!
Thank you Sir
All I get in kerbal are dunning-kruger flaps
Great channel, Captain! I just subbed to it. Can't locate the flap extension video, could you please link it?
Thanks. ruclips.net/video/CF-z42YwQX0/видео.html
@@pilot_obet thanks man! 👍
0:56 Or slats.
And all those hydraulic motors are attached to wing boxes that hold the fuel tanks..
Wow so bigs...
later! :)
Triple slotted flaps? Or triple slotted fowler flaps?
- - didn't see it in detail because you moving all the time
I know- sorry. If I’d stayed on one aspect, then you’d miss the other and only get one view. I needed three cameras but as it happened- it was impromptu when the engineers said they needed to check something on the flight controls
curious, and cant find it, what is the sq footage of full flaps? know no flaps is 5,200 sq ft.
That’s awesome, and sad they are kicked out of many airlines fleet...
What do you mean?
This is a PW 4000 powered aircraft thus only a normal 747-400 Freighter and not the ER model as they only have CF6 ENGINES.
Incorrect- the Cathay Pacific B747-400’s are ERF versions with Pratt’s- check
Boeing did offer RR, P&W as well as GE. The only customer for the passenger ER, Qantas, took theirs with GE.
They should be called Krueger Slats rather that flaps. Slats are not slotted and are fitted to the leading edge of the wing. Flaps are known to be at the trailing edge of the wing and most aircraft including small aircraft don't have slotted, or have slotted flaps. Ohh well, still, awesome.
This is exactly the question I had from watching this video. What's the difference between Krueger flaps and slats?
Were the Krueger flaps named after the park?
Great video, sorry to hear about your colleagues at KA.
Wait, what happened at KA
@@seadeer923 Google "Cathay Dragon".
Oh yes
Tbh I forgot for a sec
Thank you- it’s a difficult time for everybody
Why the 71 dislikes?????
Small brains
Mantap ini di CGK ya
I got dizzy watching this
@Pilot_obet
have you considered taking multiple cameras showcasing multiple views aft and foward and putting the two videos side by side or top and bottom so people can see ALL the flaps in seqence?
YesI have. I was alone on this day and by chance the engineers were moving the flaps
@@pilot_obet ahh would love to see that sometime, forward and aft looking views simultaneously
👍👍👍
Wow
Very different from the C-5
but i need a experience pilot to enlighten me about how to become a pilot in right past
0:31 the wing is broken
screw jack dam that is so unsafe i thought they use hydrulic
Not called triple slotted flaps... they're called FOWLER FLAPS
They ARE TRIPPLE SLOTTED
Lástima que mueves tanto la cámara...
Anyone got some Windex and a cloth?
Jezus, could you focus on one thing and film that instead of constantly moving the camera around like a bird flopping around?
Ehh ternyata channel indo:v
i want to be a pilot
Please stop moving! We can't see correctly the processus!
Hey Obet. Just wanna know what you think of Cathay Pacific officially closing Cathay Dragon?
Not good obviously- big impact on people/families.
@seadeer923 thats CAPTAIN obet to you, us and I. He has earned that respect.
How exactly are you extending / retracting these on the ground - are the hydraulics pressurized?
I’m assuming it’s with the APU
Yes the air driven hydraulic pumps number 1 and 4 are on and pressurise the system. Powered by the APU
The Auxilliary Power Unit (APU) in the tail is providing pneumatic (pressurised air) power to the air-driven hydraulic pumps in the outboard engine struts for trailing edge flap operation. The APU also provides pneumatic power to the air-driven motors which drive the leading edge flaps. It could be done electrically, but that would be much slower.
hi
ไพรอท.เอ.ซี.ที..ประตู ปลอดบ์อก ตำแหน่ง.เทียบท่า.รึหบุม.จอด. ฝา.เติม..ชนืด.หัวจ่าย.. .ย เชี้อเพลิงการบินกรุงเทพ.
You missed a very good chance to do a great video, but you still move the camera around toooooo much, way to much. Next time take it slow, slower and probably the video will be much better. good resolution though. Sorry but I call it as I see it.
Ok- will do
Helo Mr, you are in jakarta, indonesian 🤭👍🏾
Mr, how many days so far?💪🏾🙏🏾
Can I perhaps donate a tripod to you ? Seasick video
Ha ha- I apologise- early filming days etc. getting there..in addition, some of these opportunities only arise suddenly…I arrive at the aircraft and they say ‘ oh captain we are just going to exercise the flaps before your dispatch- nothing planned😊
@@pilot_obet Sorry for the tripod remark. In fact your videos about the "systems" and to see them work is very informative (I am also a private pilot since 1980), so to see the mechanics is wonderful, please do more with a "little more stability". !! Thanks !
Please consider stop moving the camera.
Sorry about it- it was my attempt to not miss some of the moving parts as I only had one chance. Will do a better one when I get a chance.
Stop moving the darn camera as if you had the shivvers! We view because we want to see the actual operation...definitively...not in the4 flash of a scroll-by
So sorry….image stabilisation was poor and a bit of inexperience with a new bit of kit. Will do better😊
This video made me nauseas