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OwlHoot
13th September 2017, 13:06
Wing suit flying (https://en.wikipedia.org/wiki/Wingsuit_flying) looks insanely dangerous, and I can't imagine the average IT contractor being into it.

I wondered idly if someone trapped on an upper floor of a skyscraper, like the unfortunate people above the flames in the twin towers during 9/11, would have any chance of surviving had they been able to don a wing suit and jump from a window or the roof.

I would imagine they'd have to build up quite a speed before being able to level off, and the biggest risk would be crashing into an obstacle such as another building before they could glide safely to the ground. :eyes

PurpleGorilla
13th September 2017, 13:14
http://share.gifyoutube.com/vOQZrW.gif

OwlHoot
13th September 2017, 13:25
Makes me feel queezy just looking at that! :sick

To answer my own question, I imagine the big problem with landing safely even after leveling off would be the horizontal speed, which is probably well above 100 MPH and maybe a lot nearer 200 MPH! :eek:

Mind you, when jumping from the top of one of the Twin Towers (as was), if one headed out into Hudson bay then maybe "pulling up" at the last moment and braking by being transverse to the direction of flight would slow one down somewhat.

CoolCat
13th September 2017, 13:30
They often do that for a while then parachute down the last bit

If escaping the twin towers parachutes would have been useful

Steerable parachutes and heading for open water would be the best plan, assuming you can swim

Lance
13th September 2017, 13:40
Wing suit flying is an extension of BASE jumping. It would have been perfectly possible to BASE jump from the NY towers. Therefore wingsuit would work as well.
Not really much use for the people trapped. It's not easy and as it was once explained to me by a base jumper, if you've not done hundreds of normal parachute jumps then do you BASE jump without a parachute as the result will be the same.

PurpleGorilla
13th September 2017, 13:51
Makes me feel queezy just looking at that! :sick

To answer my own question, I imagine the big problem with landing safely even after leveling off would be the horizontal speed, which is probably well above 100 MPH and maybe a lot nearer 200 MPH! :eek:

Mind you, when jumping from the top of one of the Twin Towers (as was), if one headed out into Hudson bay then maybe "pulling up" at the last moment and braking by being transverse to the direction of flight would slow one down somewhat.

The space shuttle had an emergency zip line on the launch platform. You come down that at a fair lick.

https://youtu.be/DHBLwstvLEA

MarillionFan
13th September 2017, 14:20
http://share.gifyoutube.com/vOQZrW.gif

I do believe the guy who did this is now dead.

ladymuck
13th September 2017, 15:23
There was a base jump done off Pan Peninsula in Canary Wharf

Video: Watch two guys illegally base jump off the 48th floor of the Pan Peninsula building in Canary Wharf – Now. Here. This. – Time Out London (http://now-here-this.timeout.com/2014/08/11/watch-two-guys-illegally-base-jump-off-the-48th-floor-of-the-pan-peninsula-building-in-canary-wharf/)

So, yes, you could have jumped off the top of the twin towers and lived to tell the tale, in theory

deebeegee
13th September 2017, 15:40
Wing suit flying (https://en.wikipedia.org/wiki/Wingsuit_flying) looks insanely dangerous, and I can't imagine the average IT contractor being into it.

I wondered idly if someone trapped on an upper floor of a skyscraper, like the unfortunate people above the flames in the twin towers during 9/11, would have any chance of surviving had they been able to don a wing suit and jump from a window or the roof.

I would imagine they'd have to build up quite a speed before being able to level off, and the biggest risk would be crashing into an obstacle such as another building before they could glide safely to the ground. :eyes

I have a wingsuit but I only ever use it out of aircraft. There's actually quite a lot of IT geeks into it, and it's definitely on the nerdier side of the sport - lot's of flight data and statistics to capture and analyse.

There are not many buildings in the world which you could use a wingsuit from as, like you premise, it takes a while to get flying. To survive a wingsuit landing takes a lot of cardboard boxes - only Gary Connery (jumped into the 2012 Olympics opening ceremony from a helicopter dressed as the queen) has ever done it.
https://www.youtube.com/watch?v=u5_ITt2LM0A
So ruling that out you'd need to wear a BASE rig (parachute system) and you would be better off getting a parachute open as high as possible as this will give you a better glide angle than a wingsuit.

Plenty of people have jumped from plenty of office buildings, including a few I've worked in. Most have had quite a lot of training on how to fall stably enough to deploy a parachute and how to steer and land it in a tight urban environment.

Specifically looking at the 9/11 scenario i would expect the winds to be super sketchy due to extreme heat but given the alternative it would be worth a shot. You'd want to be at least 160ft up to have altitude for the canopy to open before you landed though

centurian
13th September 2017, 15:45
https://www.youtube.com/watch?v=TWfph3iNC-k

"Grinding the Crack"

Look at the shadows at 1:26

And the same point from a static camera at 1:40

deebeegee
13th September 2017, 15:46
I do believe the guy who did this is now dead.

Most of the videos you'll see of these death defying stunts you'll find that death caught up with the protagonist in the end - and usually not a long time after.

deebeegee
13th September 2017, 15:50
https://www.youtube.com/watch?v=TWfph3iNC-k

"Grinding the Crack"

Look at the shadows at 1:26

And the same point from a static camera at 1:40

Jeb is one of the lucky ones - he managed to survive flying straight into the ground
https://www.youtube.com/watch?v=g5nlOdxZt_4

Hobosapien
13th September 2017, 16:27
Re surviving falls from sky scrapers, maybe the answer lies in personal airbags. Apparently motorcyclists can now buy clothing with airbags that deploy when they crash.

As a typical sports bike's top speed is greater then typical terminal velocity of a person falling from a tall building, if those airbags are designed for the person to survive a crash at that speed then they should also survive a fall if there was such kit to put on at the upper floors and roof of sky scrapers.

One for mythbusters to try out. :smokin

Hairlocks
13th September 2017, 16:42
Re surviving falls from sky scrapers, maybe the answer lies in personal airbags. Apparently motorcyclists can now buy clothing with airbags that deploy when they crash.

As a typical sports bike's top speed is greater then typical terminal velocity of a person falling from a tall building, if those airbags are designed for the person to survive a crash at that speed then they should also survive a fall if there was such kit to put on at the upper floors and roof of sky scrapers.

One for mythbusters to try out. :smokin

I doubt this would work. A motorcyclists generally hits something that will crumple a bit and/or go skidding along the ground and slow down relatively slowly. Someone jumping of a building is doing to hit the tarmac that does not move much.

There have been suicide attempts by people jumping off tall building only to walk away because they land on top of a car though.

greenlake
13th September 2017, 19:52
Makes me feel queezy just looking at that! :sick

http://i.imgur.com/UFw1yY9.gif

Hobosapien
14th September 2017, 07:40
I doubt this would work. A motorcyclists generally hits something that will crumple a bit and/or go skidding along the ground and slow down relatively slowly. Someone jumping of a building is doing to hit the tarmac that does not move much.

There have been suicide attempts by people jumping off tall building only to walk away because they land on top of a car though.


Maybe something that encapsulated them in a big ball like those you can roll down hills inside. To avoid the person smashing against the side and therefore ground when making contact, have it filled with bubble wrap with a space in the middle for a person. Simple. :smokin

northernladyuk
14th September 2017, 08:40
Wing suit flying (https://en.wikipedia.org/wiki/Wingsuit_flying) looks insanely dangerous, and I can't imagine the average IT contractor being into it.

I wondered idly if someone trapped on an upper floor of a skyscraper, like the unfortunate people above the flames in the twin towers during 9/11, would have any chance of surviving had they been able to don a wing suit and jump from a window or the roof.

I would imagine they'd have to build up quite a speed before being able to level off, and the biggest risk would be crashing into an obstacle such as another building before they could glide safely to the ground. :eyes

The correct English way to do it is in the manner of that pioneer of human flight: Eilmer of Malmesbury (http://en.wikipedia.org/wiki/Eilmer_of_Malmesbury). Give it a go, and if you survive, you mind lend the suit to David Davis, to see if the UK can get away with a couple of broken legs after it goes over the cliff edge.

Snarf
15th September 2017, 21:04
Anyon tried wingsuit flying?

I suspect its not really something you try... you either succeed or you don't! :laugh

zeitghost
16th September 2017, 08:27
I suspect its not really something you try... you either succeed or you don't! :laugh

Wise words.


http://www.youtube.com/watch?v=BQ4yd2W50No

SueEllen
16th September 2017, 10:32
Maybe something that encapsulated them in a big ball like those you can roll down hills inside. To avoid the person smashing against the side and therefore ground when making contact, have it filled with bubble wrap with a space in the middle for a person. Simple. :smokin

Zorbing :D

Is great!!!