I love my job

  • Thread starter Cyrus
  • Start date
  • #26
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Go Terps!
 
  • #27
FrancisZ
Awesome. But Raiders of the Lost Ark immediately comes to mind...the Flying Wing scene I mean.

So, yes, you'll definitely not want to get too close to those fan blades. Might end up like this guy...


trivia_08.jpg
 
  • #29
lisab
Staff Emeritus
Science Advisor
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Very nice.

Is that you behind the smoke emitting machine (ok, what do you really call it?)?
 
  • #30
2,985
15
Very nice.

Is that you behind the smoke emitting machine (ok, what do you really call it?)?
It's called a smoke wand.
 
  • #31
lisab
Staff Emeritus
Science Advisor
Gold Member
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It's called a wand.
Oh, that's magical :wink: .
 
  • #32
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Oh yeah, and the blades in the wind tunnel. I found out they are from a B-29! The fan unit is powered by 2000HP and costs about $900/hr to run. We've got about $50k worth of time (2-weeks).

B-29%20frontal%205-15-44.jpg
 
  • #33
3,077
4
Make sure the building is well anchored!
 
  • #34
1
0
Cyrus the virus, you are a big NERD!!! Haha, seriously, this is redic that you're posting this stuff everywhere. You are hilarious.
 
  • #35
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Damn straight. BTW, she works at the company and she loves penguins...
 
  • #36
3,077
4
Oh yeah, and the blades in the wind tunnel. I found out they are from a B-29!
Would a more modern propeller cause less turbulence? Might turbine blades otherwise excel in a wind tunnel?
 
  • #37
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Would a more modern propeller cause less turbulence? Might turbine blades otherwise excel in a wind tunnel?
For your first point, probably yes. Keep in mind, the blades are twisted slightly from what they would normally be on the B-29 aircraft. I think the tips of the blades are also squared off, as the one in the picture of the aircraft has somewhat round tips. But the tunnel has flow straightners (which you can see in the pictures that looks like honeycomb). All props, no matter how modern, will cause swrill in the air behind them.

Turbine blades don't really push the air behind them like a prop do. It's the hot gasses that accelerate the air out the back. The turbine blades purpose is to compress the air for the fuel to burn with. The high speed air is a result of the combustion. That being said, you don't want hot exhaust gasses inside a tunnel. Then you'd have lots and lots of smoke everywhere.
 
  • #38
FredGarvin
Science Advisor
5,066
8
Well, it looks like this program got some press. I posted an article from the only trade magazine I read anymore, Aerospace Testing International. It is an awesome magazine.

http://www.scribd.com/share/upload/12670911/1csxn9hgknr0pp1qjt68 [Broken]
 
Last edited by a moderator:
  • #39
237
10
Very cool Cyrus. I use to program CNC machines and worked for a company that made aviation and general military parts for the government. I can tell there's probably quite a bit of time in that model.
 
  • #40
1
0
Hi Fred,

Thanks for posting that article!
 
  • #41
2,985
15
Joslyn you stalker NERD!!!!!!!!! :)
 

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