Forums: Skydiving: Wind Tunnels:
No such thing as a Wind Tunnel!

 

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Paulipod  (B 1234)

Nov 6, 2004, 11:00 AM
Post #1 of 36 (5517 views)
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No such thing as a Wind Tunnel! Can't Post

Been thinking... Laugh always a bad sign!!

Why do we call them wind Tunnels?! Tunnels are only underground passages etc.. (as defined by the dictionary)

Surely we should call them Wind Funnels?! well they are fun too... so maybe a rename is in order Tongue


pilotdave  (D License)

Nov 6, 2004, 11:12 AM
Post #2 of 36 (5479 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

http://dictionary.reference.com/search?q=wind%20tunnel Tongue

Dave


Paulipod  (B 1234)

Nov 6, 2004, 11:14 AM
Post #3 of 36 (5471 views)
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Re: [pilotdave] No such thing as a Wind Tunnel! [In reply to] Can't Post

lol.. I am not denying that the way they are referred to now is a recognised label.... but when the first person called one a 'tunnel' they were a bit off the mark

Laugh


Raistlin

Nov 6, 2004, 11:19 AM
Post #4 of 36 (5468 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

When you are belly-flying in one, you are facing the relative wind, and so are, relatively to you, in a tunnel. As opposed to a tube when you observe from outisde. :)


Paulipod  (B 1234)

Nov 6, 2004, 11:23 AM
Post #5 of 36 (5464 views)
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Re: [Raistlin] No such thing as a Wind Tunnel! [In reply to] Can't Post

Definition of Tunnel....

An underground or underwater passage.
A passage through or under a barrier.
Obsolete. The main flue on a chimney.

Surely doesnt matter which way you face... done of these apply TongueSly


JustaBill  (B 29017)

Nov 6, 2004, 11:31 AM
Post #6 of 36 (5457 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

In reply to:
Definition of Tunnel....


A passage through or under a barrier.

What about passing through the barrier of learning how to fly your body Wink granted it's a bigger barrier to some of us then it is to others Crazy


pilotdave  (D License)

Nov 6, 2004, 11:59 AM
Post #7 of 36 (5448 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

I think this definition explains it all:

wind tunnel
n : a structure resembling a tunnel where air is blown at known velocities for testing parts of aircraft

Course dictionary definitions don't matter all that much. Wind tunnels are used for testing all kinds of things... buildings, boat keels, cars, etc.

Dave


daveb  (D 23982)

Nov 6, 2004, 12:42 PM
Post #8 of 36 (5434 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

In reply to:
Definition of Tunnel....

An underground or underwater passage.
A passage through or under a barrier.
Obsolete. The main flue on a chimney.

You can likely find a dictionary to support whichever definition most agrees with your proposition. I used m-w.com to garner:
Quote:
Etymology: Middle English tonel tube-shaped net, from Middle French, tun, from Old French, from tonne tun, from Medieval Latin tunna
1 : a hollow conduit or recess : TUBE, WELL
But my resource has an etymology that further supports wind tunnel as a correct use. QED. ;-)

-- Dave


Premier billvon  (D 16479)
Moderator
Nov 6, 2004, 10:14 PM
Post #9 of 36 (5319 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

Wind tunnels started out as windy horizontal passages used to test airfoils. For skydiving they rotated one 90 degrees. The name stuck.


Ron

Nov 8, 2004, 5:18 AM
Post #10 of 36 (5173 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

In reply to:
Surely doesnt matter which way you face... done of these apply

Quote:
The main flue on a chimney

A vertical tube that moves smoke and air up....Fits just fine.


Paulipod  (B 1234)

Nov 8, 2004, 5:22 AM
Post #11 of 36 (5171 views)
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Re: [Ron] No such thing as a Wind Tunnel! [In reply to] Can't Post

lol.. talk about selective quoting Tongue what happened to the dictionary entry of 'obsolete' Laugh


MrJones  (B License)

Nov 8, 2004, 10:24 AM
Post #12 of 36 (5080 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

If HOOVER can make and market a vertical vacume named "The wind tunnel" its good enough for us. LOL


jumperconway  (D 24335)

Nov 8, 2004, 11:06 AM
Post #13 of 36 (5068 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

Hence the term vertical wind tunnels


rendezvous  (C License)

Nov 8, 2004, 11:32 AM
Post #14 of 36 (5059 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

wind chimney perhaps ...


Squeak  (E 1313)

Nov 8, 2004, 5:07 PM
Post #15 of 36 (4986 views)
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Re: [rendezvous] No such thing as a Wind Tunnel! [In reply to] Can't Post

In reply to:
wind chimney perhaps ...

Simulated Freefall Tube

Vertical Virtual flying thingyTongue

WHO REALLY CARES, It's expensive and I'm going to spend some money in the Florida oneSlySlySly


Shark  (D 24499)

Nov 8, 2004, 9:49 PM
Post #16 of 36 (4963 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

Most wind tunnels suck. Laugh


Squeak  (E 1313)

Nov 8, 2004, 10:44 PM
Post #17 of 36 (4954 views)
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Re: [Shark] No such thing as a Wind Tunnel! [In reply to] Can't Post

In reply to:
Most wind tunnels suck. Laugh

True True but some just BLOWLaughLaughLaughLaugh


Bodyflight.Net

Nov 9, 2004, 5:35 PM
Post #18 of 36 (4899 views)
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Re: [Shark] No such thing as a Wind Tunnel! [In reply to] Can't Post

Unsureactually less than 10% of currently operational tunnels really suckWink


FrogNog  (C 34484)

Nov 9, 2004, 5:52 PM
Post #19 of 36 (4896 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

Then PPTP should probably be renamed, as well.

There's lots of stuff that isn't named correctly according to historical denotations.

Let me just use my small, omnivorous mammal to submit this post, now.


rehmwa  (D 12816)

Nov 9, 2004, 6:39 PM
Post #20 of 36 (4888 views)
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Re: [Bodyflight.Net] No such thing as a Wind Tunnel! [In reply to] Can't Post

In reply to:
Unsureactually less than 10% of currently operational tunnels really suckWink

If you want to bring open air flight simulators into the mix of a semantics thread on wind 'tunnels' then enjoy yourself.

I think any thread based on semantics should immediately be moved to speakers corner. They really are the masters at it.


Bodyflight.Net

Nov 9, 2004, 6:42 PM
Post #21 of 36 (4886 views)
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Re: [rehmwa] No such thing as a Wind Tunnel! [In reply to] Can't Post

Quote:
If you want to bring open air flight simulators into the mix of a semantics thread on wind 'tunnels' then enjoy yourself.

What are you talking about..?
I am talking about vwt's!


mjosparky  (D 5476)

Nov 9, 2004, 10:47 PM
Post #22 of 36 (4868 views)
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Re: [Paulipod] No such thing as a Wind Tunnel! [In reply to] Can't Post

Paul,

You need to get out more.Tongue


rehmwa  (D 12816)

Nov 9, 2004, 11:31 PM
Post #23 of 36 (4867 views)
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Re: [Bodyflight.Net] No such thing as a Wind Tunnel! [In reply to] Can't Post

In reply to:
Quote:
If you want to bring open air flight simulators into the mix of a semantics thread on wind 'tunnels' then enjoy yourself.

What are you talking about..?
I am talking about vwt's!

Actually I was just talking about chocolate, but in this point I was only differentiating between indoor and outdoor (that's where I thought you were going). The outdoor vwt's are even harder to tag with the label 'tunnel'. Of course I'll always bow to you expertise in this issue. Or, you really do mean all the different enclosed tunnels are blowers?.....


Paulipod  (B 1234)

Nov 10, 2004, 12:53 AM
Post #24 of 36 (4862 views)
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Re: [mjosparky] No such thing as a Wind Tunnel! [In reply to] Can't Post

In reply to:
Paul,

You need to get out more.

Tongue That was NEVER in question!Laugh


Bodyflight.Net

Nov 10, 2004, 4:41 AM
Post #25 of 36 (4853 views)
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Re: [rehmwa] No such thing as a Wind Tunnel! [In reply to] Can't Post

Rehmwa,

I love chocolate, we can talk about that all day long!Wink

I think there could be a better name, in fact we MOSTLY describe them ourselves as body flying facilities. But really, the prop jobbie portables, even they provide a column/tunnel of air.

As I'm sure has been pointed out already: A tunnel can be defined as, A structure, installation, or facility incorporating apparatus to simulate flight conditions in one way or another, specially designed for testing or experimenting with power plants, or with aircraft, rockets, or other aerodynamically designed bodies, engine installations, or models; specifically, a wind tunnel.

More specifically however, I was talking about VWTs that SUCK. Which of course there are very few since the design itself causes instability in the air flow & test section.

No need to bow down.. you can throw money instead.

Current Stats:
Operation VWTs World Wide: 8% Suckers 92% Blowers
VWTs Currently Under Construction: 75% Suckers 25% Blowers

That will still only takes the sucker category to 26% of total facilities World Wide.


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