Pratt and Whitney PW1000G PurePower Engine How It Works

[wiledmanrandall]

Next, have a Russian woman redo the voice over in English for that Russian accent affect and have her do the video in Russian as well. It would help the PW1000G seem so legit as the engine of choice in the new MS-21 single isle aircraft family.

[SIKVIDEOSANDCLTHES]

Great video! But music too loud, can barely hear lady speaking...

[Rassalhague2]

It could be the new engine for the reengined E-Jets. :-)

[MarzEzOnline]

Ok, fine, you have me convinced.

Where can I buy one, how much is it, and how do I attach it to my bicycle?

[DLWELD]

Too bad the music overpowers the talking

[milxl]

IS THE IDEA OF A GEARED JET ENGINE NEW ?

I THOUGHT IT ALREADY EXISTS

[banana1971]

@milxl The Garrett TFE731 has been around since the 70s and the Lycoming ALF502 since the 80s. Both are geared turbofans.

[hollows3]

@banana1971 You are exactly right, there have been geared turbofans before P&W. Kind of like Chrysler and how proud they are of the HEMI. Even though the hemispherical combustion chamber has been around in european engines since the 1920's. Maybe pratt will make a hemi geared turbofan?

[paduajoseph]

@milxl well as far as we know, the PW1000G has the highest benefits for a Turbofan.

[paduajoseph]

@milxl besides its not about whats new, its about whats the best man.

[Nikowalker007]

Well, basically, its just a modern version of turbo prop engine, but with significantly less noise emission. Thanks to new technology its now possible to have such an efficient engine with (12:1 ) by pass ratio.

[paduajoseph]

@Nikowalker007 Thumbs up for that man.

[Nikowalker007]

@paduajoseph Thanks man, as a mechanical engineering student, I ve been always fascianatied by this sort of stuff.

[paduajoseph]

@Nikowalker007 Oh I see.

[UpperHudson]

The reason this simple approach has not previously been used is, of course, the gearing. It must be as reliable as the rest of the engine, lightweight, and cooled - even a 1% transmission loss equates to a lot of heat when you're talking about roughly 20,000 hp (or Kw). Seems pedestrian in this day and age - gears - but this is the interesting (i.e., new and therefore risky) technology of this engine.

[paduajoseph]

@UpperHudson Yeah we'll see about the future of this engine. Yes it is risky but 20 years of research? That's a lot of hardwork to get this thing going. I believe it's a Giant leap forward and it will dominate the market.

[UpperHudson]

@paduajoseph Big risks are rarely taken in jet engines. Everyone knows how composite fan blades put Rolls-Royce into bankruptcy. You better believe GE was plenty anxious and therefore extremely careful for the GE90, as the metallurgists (such as myself) made jokes about "rags and glue". Compared to bird-strikes, hail and other uncertainties of life as a fan blade, the environment within which the gears operate is fairly benign and predictable. Tests results will have greater validity.

[paduajoseph]

@UpperHudson Yeah that's why I'm waiting for the certification of this engine in 2012.

[paduajoseph]

This is not the same old turbofan.