jcchristie
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Most Powerful And Largest Engine Ever

Thu Aug 28, 2008 11:58 pm

What is the most powerful engine and the largest engine ever put on an airplane? My guess is the GE90, but that has been around for a while.
 
nomadd22
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 12:06 am

It's still the GE90-115. The 777-300 is still the most airplane per engine, so they haven't needed anything more yet.
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cal764
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 12:12 am

GE90-115B's on 777F as well, correct?
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timz
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 12:49 am

As long as you define "powerful" to mean "greatest sea-level static thrust". If you actually mean power then it can get complicated.
 
T prop
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 1:37 am

This one?


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tdscanuck
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 5:31 am



Quoting CAL764 (Reply 2):
GE90-115B's on 777F as well, correct?

GE90-110B1

Same engine, different programming plug.

Tom.
 
EA772LR
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 1:57 pm

Certainly the GE90-115B, and probably will be for a along time. Can't beat it!

"During its testing, the GE90-115B set numerous aviation records, including reaching a sustained record 127,900 lbs. of thrust during initial ground testing at GE's outdoor test facility near Peebles, Ohio."

http://www.geae.com/engines/commercial/ge90/ge90-115b.html


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Blackbird1331
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 6:33 pm

Since the space shuttle flies like an aircraft. I go with the shuttle engines.
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CrimsonNL
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 6:49 pm

What about the biggest Piston engine? For aircraft that is.
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aero145
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 6:51 pm



Quoting Blackbird1331 (Reply 7):
Since the space shuttle flies like an aircraft. I go with the shuttle engines.

While it flies like an “aircraft” (actually a glider which only goes down, not up like gliders do usually in good conditions), it’s got no engines. It only uses engines while launching, and not more inside the Earth’s atmosphere.

So, the Rockwell’s don’t count IMO.
 
Speedbird741
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 7:13 pm

How about before the -115b or any of the ge90's....which one was the most powerful ?


Speedbird741
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Norcal773
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 7:14 pm



Quoting Nomadd22 (Reply 1):
The 777-300 is still the most airplane per engine, so they haven't needed anything more yet.

You mean the 77W or 777-300ER.
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tjwgrr
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 7:14 pm

Quoting CrimsonNL (Reply 8):
What about the biggest Piston engine? For aircraft that is.

The 36 cylinder 5000 hp Lycoming R-7755, although it was never mass-produced.

The largest mass-produced was the 28 cylinder 4300 hp Pratt & Whitney R-4360.

[Edited 2008-08-29 12:16:03]
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Norcal773
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 8:00 pm

Wh do I have a feeling PM will find a way to put some spin on how the GE-90 isn't the most Powerful Engine out there?  wink 
If you're going through hell, keep going
 
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Stitch
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 8:07 pm

Quoting Speedbird741 (Reply 10):
How about before the -115b or any of the ge90's....which one was the most powerful?

Well the P&W JT9D-7R4H1 on the A300 produced 56,000lbs of thrust. That was the most powerful Pratt before the PW4xxx series. The PW4168 was the most powerful model not designed for the 777, rated at 68,000lbs for the A330 family.

Then there is the Trent RB211-524H(-T) at 60,600lbs for the 747-400 and 767-300. And the Trent 772 at 71,000 on the A330-300.

And the GE CF6-80E1-A3 at 70,000lbs for the A330 family.

[Edited 2008-08-29 13:09:05]
 
OldAeroGuy
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 8:18 pm



Quoting Stitch (Reply 14):
And the GE CF6-80E1-A3 at 70,000lbs for the A330 family.

Don't forget the PW4098 at 98K lb. A lot of thrust but unpopular because of its weight and SFC.
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Stitch
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 8:19 pm



Quoting OldAeroGuy (Reply 15):
Don't forget the PW4098 at 98K lb. A lot of thrust but unpopular because of its weight and SFC.

True, but I thought we were discussing engines not used on the 777 program.
 
Speedbird741
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 8:50 pm



Quoting Stitch (Reply 14):
And the Trent 772 at 71,000 on the A330-300.

Yeah i thought of the trent 700, but i think i came after any of the ge90 series engines right ?


Thanks


Speedbird741
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Stitch
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 9:28 pm



Quoting Speedbird741 (Reply 17):
Yeah i thought of the trent 700, but i think i came after any of the ge90 series engines right ?

It may have. I have a PDF of all the commercial engines currently in service, but it does not have their date of service entry.
 
rb211tristar
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 9:56 pm

Interestingly, I immediately thought of the P&W J58 (even though it wasn't a commercial application). But I was way wrong... only 32,000lbs each.
 
Blackbird1331
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 10:38 pm

Think of the "Gimly Glider". The engines got it up, gravity pulled it down. The shuttle engines get it up. Pure power.
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Stitch
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RE: Most Powerful And Largest Engine Ever

Fri Aug 29, 2008 10:56 pm



Quoting Blackbird1331 (Reply 20):
Think of the "Gimly Glider". The engines got it up, gravity pulled it down. The shuttle engines get it up. Pure power.

But they are not jets, nor is the Space Shuttle a commercial aircraft,

Now, I suppose we could call the Soyuz platform a commercial vehicle, since civilians can take a trip and actually arrive at a destination and return. Big grin
 
HSVflier
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 1:47 am

i thought i read somewhere where the JSF engine set a world record for the highest sustained thrust for a jet engine during testing. could be wrong but i might have seen it in the guiness book of world records. but for commercial aviation it is definitely the GE90
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A330323X
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 1:50 am



Quoting Stitch (Reply 14):
The PW4168 was the most powerful model not designed for the 777, rated at 68,000lbs for the A330 family.

Don't forget the PW4173.

Oh, wait...  Wink
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SpeedBirdA380
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 1:59 am



Quoting Norcal773 (Reply 13):
Wh do I have a feeling PM will find a way to put some spin on how the GE-90 isn't the most Powerful Engine out there? wink

Yeah sure it is the most powerful engine but I am sure Rolls Royce could make an engine as powerful as the GE-90 If the need ever arose.
 
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Stitch
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 2:37 am



Quoting SpeedBirdA380 (Reply 24):
Yeah sure it is the most powerful engine but I am sure Rolls Royce could make an engine as powerful as the GE-90 If the need ever arose.

They did perform studies on the Trent 8104 (105.000lbs) and Trent 8115 (115,000lbs) for the 777X (77L/77W) program back when Boeing was seeking RFPs to power those models.
 
YULspotter
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 2:44 am

Video on YouTube of a startup of the GE90-115B in case anyone is interested in hearing it.
Awsome sound. To me, it doesn't get much better.



YULspotter
 
rb211tristar
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 4:34 am

Quoting Stitch (Reply 21):

Quoting Blackbird1331 (Reply 20):
Think of the "Gimly Glider". The engines got it up, gravity pulled it down. The shuttle engines get it up. Pure power.

But they are not jets, nor is the Space Shuttle a commercial aircraft,

Now, I suppose we could call the Soyuz platform a commercial vehicle, since civilians can take a trip and actually arrive at a destination and return. Big grin

I guess we could specify "turbofan". But before we do that, the Rocketdyne F-1 engines on the Saturn V take the cake at ~1,500,000lbs each.   

Oops, edit #2. I just realized the initial post said "airplane". Oh well.

[Edited 2008-08-29 21:37:06]
 
Norcal773
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 7:42 am



Quoting YULspotter (Reply 26):
Video on YouTube of a startup of the GE90-115B in case anyone is interested in hearing it.
Awsome sound. To me, it doesn't get much better.

Isn't that dude walking dangerously close to the engine at start-up?
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David L
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 9:13 am



Quoting Blackbird1331 (Reply 20):
Think of the "Gimly Glider". The engines got it up, gravity pulled it down. The shuttle engines get it up. Pure power.

But the space shuttle never uses those engines to fly like an aircraft.  Smile
 
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CrimsonNL
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 9:19 am



Quoting Norcal773 (Reply 28):

No, he's outside the dangerous zone where he risks getting sucked in. However I hope he's wearing ear protection.
Always comparing your flown types list with mine
 
r2rho
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 11:57 am

How about turboprops?

The most powerful turboprop ever built is the Kuznetsov NK-12, powering the Tu-95 couter-rotating props at 15000shp.

The most powerful turboprop in the Western world is the new TP400-D6 at 11000shp.

Anyone have an idea about piston-props?
 
rwy04lga
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 12:24 pm



Quoting Blackbird1331 (Reply 7):
Since the space shuttle flies like an aircraft. I go with the shuttle engines.



Quoting David L (Reply 29):
But the space shuttle never uses those engines to fly like an aircraft.

The Space Shuttle is an aircraft, but not an airplane. The OP specified 'airplane'.

I've heard, but can't verify, that just one of the STS main engines could generate the electricity needs of New York state (not city)!

Does anyone know for sure?
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OldAeroGuy
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 2:17 pm



Quoting Stitch (Reply 16):
True, but I thought we were discussing engines not used on the 777 program.

No, just non-GE90's.

Quoting Speedbird741 (Reply 10):
How about before the -115b or any of the ge90's....which one was the most powerful ?

Airplane design is easy, the difficulty is getting them to fly - Barnes Wallis
 
Blackbird1331
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 9:09 pm

Let's strap a couple of these babies on a 777 and see what happens. NYC to LA in 3 minutes. Smile
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jacobin777
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 9:20 pm



Quoting Tdscanuck (Reply 5):
Quoting CAL764 (Reply 2):
GE90-115B's on 777F as well, correct?

GE90-110B1

..what a monster!  Wow!


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Stealthz
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 9:31 pm



Quoting R2rho (Reply 31):
Anyone have an idea about piston-props?

See reply 12

Cheers
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jetjeanes
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 9:46 pm

I will say this, there is one on a test bed in china now That has been running nonstop for 14 months. the other was brought down. India provided much of the equipment and a secondary engine on a testbed went down after 8 months. These are supposed to be some new type of trent engines RR.. This is about all he would tell me. I had questions like oil ect , of course and unlimited supply of fuel and in broken english the pil is put in through hoses while the engine is running.. They can pull the engine up on a website and check it from 7,000 miles away,,, very odd. Some of the equipment came from the us to india and back to china,and it was huge in crates as many of the componets could barley fit in an 18 wheeler , and flown ups to madras
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Viscount724
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RE: Most Powerful And Largest Engine Ever

Sat Aug 30, 2008 11:10 pm

Not an aircraft engine but still impressive -- world's most powerful piston engine, a 14-cylinder diesel powering the largest container ship, the Emma Maersk. The engine is 89ft long, 44ft high, weighs 2300 tons (equiv. to four A380s at MTOW), displaces over 1.5 million cu. in (25,480 liters) and generates 109,000 hp and 5.6 million lb. ft. of torque.
http://www.youtube.com/watch?v=Dz1f1C39_7g

The ship it powers:
http://www.youtube.com/watch?v=2oRlthTwEEM&feature=related

More on the engine:
http://www.emma-maersk.com/engine/Wartsila_Sulzer_RTA96-C.htm
 
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jetmech
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RE: Most Powerful And Largest Engine Ever

Sun Aug 31, 2008 2:55 am



Quoting Jcchristie (Thread starter):

I'm gonna have to go with the GE90-115B as the most powerful and physically largest engine fitted to an airplane.

Quoting RB211TriStar (Reply 27):
I guess we could specify "turbofan". But before we do that, the Rocketdyne F-1 engines on the Saturn V take the cake at ~1,500,000lbs each.

Apparently, each Space Shuttle solid rocket booster has 1.8 times the thrust of a single Rocketdyne F1.

http://en.wikipedia.org/wiki/Space_Shuttle_Solid_Rocket_Booster

Quoting Rwy04LGA (Reply 32):
I've heard, but can't verify, that just one of the STS main engines could generate the electricity needs of New York state (not city)!

Each SSME puts out 181,736 kg (400,000lb's) of thrust. The exhaust gas velocities are 4,000m/s and 3,650m/s in a vacuum and at sea level respectively. Taking the difference between exhaust gas velocity and vehicle velocity to be 3,650m/s at launch initiation, one would need an exhaust gas mass flow rate of about 488.45 Kg/s ( 1075 lb/s) to produce this amount of thrust

http://en.wikipedia.org/wiki/Space_shuttle_main_engine

The kinetic energy put into the exhaust gases per second is around 3,253,687,563 J, which is a power output of 3,254 Mw. As far as I can tell, the total amount of electricity generated for New York state in 2006 was 142,265,432 Mwh, or an average rate of 16,240,346,121 watts ( 16,240 Mw ). Thus, a single SSME should be able to supply about 20% of the total average electricity needs of New York state when running.

http://www.eia.doe.gov/emeu/states/h...u/use_eu_ny.html&mstate=NEW%20YORK

http://www.eia.doe.gov/cneaf/electricity/st_profiles/new_york.html

I'm reasonably sure these calculations are somewhere in the ballpark, however, according to this reference, I may actually have significantly under-calculated the power output of the SSME. This reference gives the ( peak? ) power produced by a single SSME at 9,400 Mw.

http://en.wikipedia.org/wiki/SSME_energy_and_power_relationships

My calculation considered the KE of the exhausts gases only. This reference includes the acceleration of the propellants into the combustion chamber, and the heat release of these chemicals when combusted.

Thus, according to this reference, a single SSME can provide 58% of New York states average electricity needs. Three SSME operating simultaneously could thus easily supply New York State's average electricity needs, if we assume a total peak output from the three engines of 28,200Mw.

The peak generation capacity for New York state appears to be around 39,551Mw. Thus, the three SSME operating simultaneously at their peak power outputs could supply 71% of the peak power consumption of NY state.

Regards, JetMech
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autothrust
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RE: Most Powerful And Largest Engine Ever

Sun Aug 31, 2008 3:31 am



Quoting RB211TriStar (Reply 27):
the Rocketdyne F-1 engines on the Saturn V take the cake at ~1,500,000lbs each

Maybe also worth to be mentioned:
The RD-170 is the world's most powerful multi-nozzle multi-chamber liquid bipropellant rocket engine.

1,776,665 lbs or 257,000 hp (192 MW) the equivalent of three nuclear ice breakers.
“Faliure is not an option.”
 
rwy04lga
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RE: Most Powerful And Largest Engine Ever

Mon Sep 01, 2008 3:19 am



Quoting JetMech (Reply 39):
Thus, according to this reference, a single SSME can provide 58% of New York states average electricity needs. Three SSME operating simultaneously could thus easily supply New York State's average electricity needs, if we assume a total peak output from the three engines of 28,200Mw.

The peak generation capacity for New York state appears to be around 39,551Mw. Thus, the three SSME operating simultaneously at their peak power outputs could supply 71% of the peak power consumption of NY state.

Thanks JetMech!
Just accept that some days, you're the pigeon, and other days the statue
 
EA772LR
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RE: Most Powerful And Largest Engine Ever

Mon Sep 01, 2008 5:14 am



Quoting Viscount724 (Reply 38):
Not an aircraft engine but still impressive -- world's most powerful piston engine, a 14-cylinder diesel powering the largest container ship, the Emma Maersk. The engine is 89ft long, 44ft high, weighs 2300 tons (equiv. to four A380s at MTOW), displaces over 1.5 million cu. in (25,480 liters) and generates 109,000 hp and 5.6 million lb. ft. of torque.

That is just incredible  Wow! On a similar note, the GE90-115B at full thrust has an equivalent 100,000 horsepower per engine!! Unbelievable amount of power and exhaust temperatures...
The Beast:


http://ge.ecomagination.com/site/cn/media/ge90/zoom-01.jpg

Quoting AutoThrust (Reply 40):
Maybe also worth to be mentioned:
The RD-170 is the world's most powerful multi-nozzle multi-chamber liquid bipropellant rocket engine.

1,776,665 lbs or 257,000 hp (192 MW) the equivalent of three nuclear ice breakers.

The Saturn V had over 7,000,000lbs of thrust (combine of all engines)...that was literally Earth shaking...


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AirbusA6
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RE: Most Powerful And Largest Engine Ever

Mon Sep 01, 2008 5:40 am

Just a thought, but unless Y3 turns out to be a sigmificantly larger twin than the 77W, will there in the future be anything more powerful than the GE90-115B? The A3510, being lighter offers nearly as much performance with considerably less power requirement, and any future Y3 will certainly use as much weight saving as possible?
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jetmech
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RE: Most Powerful And Largest Engine Ever

Mon Sep 01, 2008 3:08 pm

Quoting Rwy04LGA (Reply 41):
Thanks JetMech!

No worries. Apparently, when the first stage of the Saturn V is at full song, it could supply the entire eastern seaboard of the US with its electricity requirements. The combined thrust of the Saturn V first stage reaches a maximum of;

"9.18 million lbf (40.8 MN) at T 135 seconds"

after lift off. Apparently, the maximum thrust of an individual SSME, and the equivalent power is;

"2.089 MN (470,000 lbf)" where "each SSME is producing over 9.4 GW (12.6 million horsepower)"

thus, the combined maximum thrust and equivalent power of three SSME is 6.267 MN, and 28.2 Gw ( 37.8 million hp ) respectively. Using thrust as a very rough scaling factor, the Saturn V first stage thrust of 40.8 MN is equivalent to 183.59 Gw ( 246.09 million hp )

http://en.wikipedia.org/wiki/Saturn_V#S-IC_thrust_comparisons
http://en.wikipedia.org/wiki/SSME_energy_and_power_relationships

Quoting EA772LR (Reply 42):
On a similar note, the GE90-115B at full thrust has an equivalent 100,000 horsepower per engine!!

It may even be more than that. I have seen the figure of 145,000hp been mentioned.

http://www.geae.com/education/theatre/ge90/

Regards, JetMech

[Edited 2008-09-01 08:09:51]
JetMech split the back of his pants. He can feel the wind in his hair :shock: .
 
richm
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RE: Most Powerful And Largest Engine Ever

Sat Sep 06, 2008 7:16 pm



Quoting YULspotter (Reply 26):
Video on YouTube of a startup of the GE90-115B in case anyone is interested in hearing it.



Awsome sound. To me, it doesn't get much better.

YULspotter

That's cool. I wish my car sounded like that, I'm sure the neighbors would love to hear that every morning!  Silly

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