Thrust
Topic Author
Posts: 2585
Joined: Wed Sep 17, 2003 12:17 pm

Most Interesting Engine Questions?

Sun Dec 28, 2003 3:49 am

Just wanted to know a little more about the most interesting aviation questions (in your personal opinion) asked in this forum.

--Thrust
Fly one thing; Fly it well
 
ConcordeBoy
Posts: 16852
Joined: Thu Feb 01, 2001 8:04 am

RE: Most Interesting Engine Questions?

Sun Dec 28, 2003 3:50 am

lil' vague of a topic, dont ya think?

specify more as to what you're looking for please.
Faire du ciel le plus bel endroit de la terre c'est impossible sans Concorde!
 
FredT
Posts: 2166
Joined: Thu Feb 07, 2002 9:51 pm

RE: Most Interesting Engine Questions?

Sun Dec 28, 2003 7:22 pm

The ever-existing can of worms: Bernoulli or Newton...  Big grin

Cheers,
Fred
I thought I was doing good trying to avoid those airport hotels... and look at me now.
 
UAL747
Posts: 6725
Joined: Mon Dec 13, 1999 5:42 am

RE: Most Interesting Engine Questions?

Mon Dec 29, 2003 1:53 pm

I have a question:

I have always wondered how fast air is travelling out the business end of lets say a 777 GE90 engine???

UAL747

"Bangkok Tower, United 890 Heavy. Bangkok Tower, United 890 Heavy.....Okay, fine, we'll just turn 190 and Visual Our Way
 
Guest

RE: Most Interesting Engine Questions?

Mon Dec 29, 2003 2:33 pm

A British Airways 747-400 with RR power pushes back at 2105GMT at LHR heading to ORD, climbs to FL370. flies at typical cruising speed. A United 777-200 with P&W power pushes back at ORD at 2052GMT. Climbs to FL380 and proceeds to LHR at typical cruising speed.....

Questions that people will ask given this information:

1. The obvious, where will they pass? (responses welcome)
2. Who has prettier flight attendants?
3. Who is eating the better meal?
4. Which flight crew is paid better?
5. Have either of these airplanes had a tailstrike?
6. Can I jumpseat on either of these airplanes?
7. When will NW get rid of their DC-9s/10s?
8. Which airline is paying too much to ground crews?
9. Can I open the cabin doors in flight?
10. What is the pressure of a lav flushing?

[Edited 2003-12-29 07:51:49]
 
vikkyvik
Posts: 11803
Joined: Thu Jul 31, 2003 1:58 pm

RE: Most Interesting Engine Questions?

Mon Dec 29, 2003 3:13 pm

Haha Startvalve, that's hilarious.
But seriously, I actually have wondered, as UAL747 asked, how fast the exhaust from a typical jet engine is travelling upon exit from the jet. I once asked a professor about this, and got an answer of around 2000 ft/sec, if i remember correctly, which is obviously extremely fast. I could probably look in a fluid dynamics book and get an answer, or just run some quick equations, but it's winter break, and my books and my brain are thankfully 2500 miles away.
~Vik
I'm watching Jeopardy. The category is worst Madonna songs. "This one from 1987 is terrible".

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