GE Aviation - Aircraft Engine History and Technology | Jet Engine

[stubby692007]

GE is bad ass

[bennevis21]

GE sucks

[Silentghost45]

What isn't made out of carbon fiber these days? That stuffs like the God of all materials on Earth.

[Coaljet]

Awesome video. More thumbs up than I have on my hands to ya ;)

[davegt27]

very cool the A10 should get an upgrade like this

[GDI109]

@davegt27 stfu faggot

[zegermans750]

Nice video, now pay your taxes!

[undeadkillers]

Damn. I'm a automotive enthusiast and I know a vast amount but that just shits all over me. Amazing.

[RCPlaneFlyer16]

wait I thought the 787 was being powered by the Trent 1000 ??

[pdlip1]

@RCPlaneFlyer16

You can get either. The Trent or the GENX.

[pdlip1]

@RCPlaneFlyer16

BTW, the trent still uses titanium blades.

[animesis]

@pdlip1

True but they are grown from a single crystal, beautiful science at work in the making of Trent blades

[Nilguiri]

Very interesting, thanks.

I remember seeing that MD-80 at Farnborough in 1988. I've got some photos somewhere. 0:34

[VideoWolf69]

nice to know America can still do something right! great job GE!

[yoeler1]

Interesting!!!! Good stuff!!!

[yoeler1]

Interesting!!!!

[Janith1980]

I am obsessed with efficiency. and green tech.

[chriswatkinsdotcom]

sweeeet

[Xyb3rTeCh]

one fella preferred RR failure engine

[hotelgulf]

Excellent info. Thanks for posting this rate powerplant.

[duduengeletronica]

Eu considero muito perigoso esse protótipo.

[Alpharius93]

Propfans always looked great looking to me xD as well as a good idea; I've red the were very efficient but only a bit noisy. Hope we'll see more propfans in the future! ^ ^

[egn83b]

That 80's engine looks cool too bad it wasn't used. I love 50 cents a gallon but 4 bucks a gallon herts.

[vitalTubing]

Been traveling in 747 based that latest engine, is much more quiet then the traditional version. I don't feel much thrust but is probably pilot's slow takeoff option.

[chiefishere]

I didn't know, that unducted fan engines already existed in the past. I read that they are the future technology in commercial aircrafts due to the efficiency..

[210482fmj]

. we want flying to become as popular as the motor vehicle. the skies are huge yet not many civilians seem to be using them. make flying affordable to everybody and mass produce aircraft for long distance travel. all that airspace but very little is used by civilians. i want to see everybody flying themselves on holiday over the atlantic via iceland and greenland for fuel stops and perhaps even install refueling stations at sea which would eliminate the fuel airplane size problem

[MrKyvegas00]

0:52 that guy looks so small compared to the SIZE OF THE ENGINE!!!

[srkh28]

thats brilliant.

[BOXAXIU]

Im sorry but im 13 YO and i wanna ask What's different number of blades on the fan? makes any difference in the speed or something?

[Foxx1981]

@BOXAXIU It's a matter of how fast the jet engine can make the blades spin to create a certain amount of necessary thrust. This isn't an entirely correct example, but the basic idea is that 4 blades at twice the speed gives you the same thrust as 8 blades at half the speed. Now in real life it's not that simple: but it's kind of how it works. The added bonus is weight saving and that it takes less jet power to power fewer blades because of the weight reduction.

[prohelipilot1]

@Foxx1981 Sorry dude you need to go back to engine basics, your whole comment is nothing but crap and if BOXAXIU listened too you than he is dumber than he was before he read your comment. And the big fans on these engines turn Slower than the older ones not faster, do you have any idea just what rpm they are turning ? if so lets here it

[scaremengaviation]

Isn't the Farnborough Air Show usually in Le Bourget?

[Sisiphus]

@scaremengaviation wtf?

[scaremengaviation]

@Sisiphus Oops. Never mind...

[60knightsix]

Propjets ('propfan'), by their very nature (physics), are restricted as to how fast they can go. Pure jets have no such restrictions.

[oiseautempete]

@60knightsix

Not in this case: the blades on the propfan are designed to work in supersonic range...But they are abandoned because more noise at ground (not stopped by the duct like on a jet fan) and infrasonic noise in the cabin: all passengers become unwell: not realy good :-)))

And the last problem is the security: in case of a broken blade, this can cut through the fuselage= explosive decompression...

[Marcus666Sund]

i still dont get it, Why dont they start produce the propfan engine again? It looks so freakin cool!

[121arocks]

Very good video, thank you.

[iphonik4]

1:08 2:05 really beautiful engine!!

[cesky69]

Who is speaking on this video?

[applesweeter]

This engine design is quite innovative. In my opinion, I think that the blue paint and the prototype should be stored up for future in case that oil price will over US$100.

What do you think?

[FMorris308]

russian ukranian version calling

nk-12 - tu95 an22

d-27 - an-70

nk-56 - was desired for il-96, tu 204

nk-93 - il-96 tu-330 il-106

have in midle 20% beter fuel consumtion to usualy counterpart. nk-93 sfc 0.49 kg/kg/h(typ?).

ciam now make research for new turboprop for snecma ,

[jdmk20aek]

GREAT VIDEO !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!­!!!

[brickandfanal]

The Soviets had something at least as good back in mid 1950.

It the Kuznetsov NK-12 that propel the TU-95 bomber, the fastest propeller driven aircraft.

The biggest difference is that the NK-12 have a planetary gearbox.

Even by today standard, the NK-12 have everything to dream about; speed, extreme fuel efficiency, extreme reliability, very low maintenance cost and exceptional longevity.

[aleframil]

Great video. Look forward to see a GEnx flying in the Boeing 787.

[unambitious]

I personally don't like the carbon fiber props/blades today. As a mechanic, they are not nearly as durable. They need constant inspection and maintenance which often enough will not prevent damage from getting out of limits. You'll end up spending a ton replacing props and blades. I would be surprised if they end up spending money replacing a plane because a prop blade flies off someday...

[obiwan8926]

Loved watching this video. Very Good.

[Cougar545x39]

best

[jmorello123]

that was well worth my time watching, excellent job, : )

[orangeat]

Yeah

its impossible that the UDF-engines were not introduced. I mesn, these were the most fuel efficent engines of their time.

But itwas, and still is like a taboo:

Propellers are bad

nozzles are good

Thus in any case public opinion.

That adapt to the developpers, against better knowledge, this opinion is scandalous.

[trent8002003]

Love the UDF. The PW/Allison UDF looks even handsomer than the GE UDF. Wonder if the hiking fuel prices aren't gonna bring them bk.

[LTF85199]

why is the advantage of UDF engine vs the 787 engine? Are there any?

[trent8002003]

The UDF is closer in principle to a turboprop than the advanced RR or GE turbofans on the 787, meaning the UDF relies on very very high bypass ratio to save fuel. But turbofan technology has grown in leaps and bounds since the UDF. I am sure the 787 engines are just as efficient, if not more than the UDF even though on paper, the 787 turbofans should have lower bypass ratio than the UDF.

[LTF85199]

great, thanks for the quick response..

[irisconda]

cool

[gigagdragoon2345]

GE you should remake this model

but make it a little larger

or just keep it the same

[CumminsISBe]

In terms of efficiency, how does the UDF compare to the latest and greatest that GE has to offer?