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Check Out These Interesting Facts  
User currently offlineLax From United States of America, joined Dec 2000, 2290 posts, RR: 3
Posted (12 years 11 months 3 weeks 4 days 21 hours ago) and read 1851 times:

I came across this info today [kind of thought-provoking]...........

>>> Transatlantic jets burn between 2.5 and 3 tons of fuel per hour. In 1988, commercial aircraft consumed an estimated 70 percent of all jet fuel (with military and business craft accounting for another 24 percent). The world's aircraft currently produce about 3 percent the carbon dioxide (CO2) gases attributed to human activity.

During takeoff, a jumbo jet can devour 2 million liters (528,344 gallons) of air per second. In the first five minutes of flight, a commercial airliner can burn as much oxygen as 49,000 acres of forest produce in a day. According to Department of Transportation figures, flying a Boeing 747-400 from Washington, DC to San Francisco burns 17,232 gallons of jet fuel. (Fuel efficiency: 6.7 mpg). A Boeing 747 averages 32 minutes taxiing, taking off and landing. During this time, it can generate 190 pounds of NOx — equal to the amount produced by driving a car 53,500 miles.

In addition to producing vapor trails that can stretch thousands of miles across the sky, jet exhaust also triggers the formation of artificial clouds by "seeding" the atmosphere with cloud-forming aerosols — droplets of sulfuric acid and particles of soot. <<<

-----------------------------------------------

Was anyone aware of these somewhat overwhelming stats?

It's a wonder we're all still breathing.
But, it's worth every bit of oxygen used just to watch a B747 rise skyward....Agreed???

 Smile Smile Smile Smile Smile Smile Smile

15 replies: All unread, jump to last
 
User currently offlineBoeing727 From United States of America, joined May 1999, 955 posts, RR: 0
Reply 1, posted (12 years 11 months 3 weeks 4 days 21 hours ago) and read 1758 times:

People always look @ me funny when I tell them that AVGAS still has a little lead in it...burn baby burn....
Boeing727


User currently offlineLGB Photos From , joined Dec 1969, posts, RR:
Reply 2, posted (12 years 11 months 3 weeks 4 days 21 hours ago) and read 1750 times:

Wow!!! That is very interesting!

User currently offlineKHI747 From United States of America, joined Oct 2000, 1616 posts, RR: 1
Reply 3, posted (12 years 11 months 3 weeks 4 days 17 hours ago) and read 1697 times:

Very interesting stuff but may i ask how did you come up with the fuel efficiency figure of 6.7mpg for the IAD to SFO flight??? If the plane burns 17,232 gallons of fuel...given that fuel economy....the distance between the two cities would equate to 115,454 miles !!

User currently offlineLax From United States of America, joined Dec 2000, 2290 posts, RR: 3
Reply 4, posted (12 years 11 months 3 weeks 4 days 17 hours ago) and read 1689 times:

KHI747.......

I myself didn't come up with anything here.

I just copied these interesting facts from ..............

http://www.earthisland.org/eijournal/new_articles.cfm?articleID=219&journalID=47




User currently offlineStrickerje From United States of America, joined Feb 2001, 723 posts, RR: 1
Reply 5, posted (12 years 11 months 3 weeks 4 days 17 hours ago) and read 1660 times:

Maybe it meant gallons per mile-- which would make the distance 2572 miles. (which is not exact, but it's within 200 miles of the actual distance, and consider that number may have been rounded)

-Jeffrey S.


User currently offlineSpeedbird092 From Canada, joined Apr 2000, 169 posts, RR: 0
Reply 6, posted (12 years 11 months 3 weeks 4 days 17 hours ago) and read 1659 times:

Interesting.... just want to point out though, that these seem a little biased coming from an environmental group.

Fuel efficiency for an airliner is actually pretty high when you consider the fact that you're transporting 300 people at once.


User currently offlineCessnapimp From Canada, joined Oct 2001, 1320 posts, RR: 19
Reply 7, posted (12 years 11 months 3 weeks 4 days 17 hours ago) and read 1643 times:

Yeah, those "greensters" are always trying to screw with our minds trying to make us think we're polluting for doing this and taking a chunk of ozone for doing that... the nerve...

...oh, which makes me remember, here's another good one, a 747 on takeoff will breathe in as much air as a human male in 50 years.

Cool, so that's that big noise when they takeoff...


User currently offlineYow From , joined Dec 1969, posts, RR:
Reply 8, posted (12 years 11 months 3 weeks 4 days 4 hours ago) and read 1597 times:

I read recently that SUVs are far more pollutant than aircraft. If you were to transport 300 people (4 persons per car = 75 cars) from IAD to SFO in sport utility vehicles versus flying them in a 744, I think that in all likelyhood the SUVs would use more fuel.

User currently offlineLGB Photos From , joined Dec 1969, posts, RR:
Reply 9, posted (12 years 11 months 3 weeks 4 days 4 hours ago) and read 1587 times:

cool!

User currently offlineLAPA_SAAB340 From Spain, joined Aug 2001, 390 posts, RR: 4
Reply 10, posted (12 years 11 months 3 weeks 12 hours ago) and read 1550 times:

Those "greensters" bitch about pollution generated by aircraft (especially the Concorde!) but then drive home in their 5 liter V-8 SUV, making a far more generous contribution to air pollution...

Interesting facts btw!  Smile


User currently offlineVapourTrails From Australia, joined Aug 2001, 1258 posts, RR: 1
Reply 11, posted (12 years 11 months 3 weeks 10 hours ago) and read 1524 times:
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I love all the info from everyone here, it's great!! I can almost smell the jet fuel from here Big grin The vapo(u)r trails part was also very interesting too.. Big grin

Click for large version
Click here for full size photo!

Photo © Mark Garfinkel





"I've never known an industry that can get into people's blood the way aviation does" -- Robert Six.
User currently offlineLowfareair From , joined Dec 1969, posts, RR:
Reply 12, posted (12 years 11 months 3 weeks 9 hours ago) and read 1504 times:

>>A Boeing 747 averages 32 minutes taxiing, taking off and landing. During this time, it can generate 190 pounds of NOx — equal to the amount produced by driving a car 53,500 miles.<<

OK, let's say we take a cross-country road trip of the US, say New York to LA. We'll have 4 people plus luggage in the car. Not including stops and such, we'd be driving about 2823 miles according to my Atlas. So, driving 75 groups of people would come out to 211725 miles, or roughly four times the amount that the 747 uses. But wait! These figures don't include running the AC or heat, so we'll just sweat it out.

And with fuel on this car coming in at 20mpg, we would burn about 10,000 gallons of fuel, about 60% of what the airplane would do. But what about if we don't carpool, and get an average of 2 people per car(biz travelers are generally alone, high biz route.)? That's 20,000 gallons, 15% MORE than what a 744 would do.


User currently offlineJohnnybgoode From Germany, joined Jan 2001, 2187 posts, RR: 6
Reply 13, posted (12 years 11 months 3 weeks 8 hours ago) and read 1482 times:

Lowfareair is absolutely right!!!

some years ago when i was still at school one of my teachers told me that if you would only ride a bike for a year, not using cars or airplanes or buses, and then take a trip from germany to mexico by plane, one would easily off-set the non-polluting behaviour throughout this entire year.
however, such arguments ignore the fact, as already pointed out, that aircraft don´t transport only one person, but 100, 200, 300, 400 persons at a time.

so in my opinion, in most cases a real comparison cannot be made.

take care
daniel



If only pure sweetness was offered, why's this bitter taste left in my mouth.
User currently offline9A-CRO From Croatia, joined Jun 2000, 1574 posts, RR: 8
Reply 14, posted (12 years 11 months 3 weeks 8 hours ago) and read 1471 times:
AIRLINERS.NET CREW
DATABASE EDITOR

I have some info on fuel use of airliners 767 uses 3.8liters/seat/100km; 737NG - 3.4-4.9; MD-80 around 4.5; MD-90 4.1; DC-9 5.4; Saab 2000 5.1; DHC 8-400 4.5; Fokker 50 3.8; so in fact it is more or less equvialent of those people driving two in each car, (but the speed would be 8 times lower)


When once you have tasted flight, you will forever walk the earth with your eyes turned skyward...
User currently offline9A-CRO From Croatia, joined Jun 2000, 1574 posts, RR: 8
Reply 15, posted (12 years 11 months 3 weeks 7 hours ago) and read 1466 times:
AIRLINERS.NET CREW
DATABASE EDITOR

also another interesting fact - I was at the presentation of ecological impact of building a new terminal and there was interesting data there - pollutin from the airplanes and from the cars bringing pax to airport are very, very close


When once you have tasted flight, you will forever walk the earth with your eyes turned skyward...
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