Forums: Skydiving: Wind Tunnels: Re: [4wayFly] Wind Tunnel is not the same as Skydiving: Edit Log


Ron

Apr 11, 2006, 6:19 PM

Views: 2852
Re: [4wayFly] Wind Tunnel is not the same as Skydiving

In reply to:
Why? Did you just pull that out your butt?

Can't disagree without being rude?

In reply to:
Surely it depends on how fast you fall in the first place?

Sure, but MOST people weigh less in the tunnel than in freefall since MOST do not wear rigs in the tunnel (avg weight 20 pounds). Even more so for the first time they are in the tunnel.

In reply to:
So, many skydivers find that even if they jump with the same team in the tunnel that they jump with in the sky, the lightest person sometimes has to add extra lead in the tunnel.

Ah, but ever think that might be due to how much time they spend in the tunnel vs in freefall? People wear out after several two min rotations in the tunnel. They don't have the rest of a 12 min plane ride.

In reply to:
Yes indeed. The input required is just about the speed you are travelling through the air and nothing to do with the tunnel or the sky.

So if a person weighs less in the tunnel (due to not having a rig) than in freefall, which most do, then what I said would be true, so why the insulting?

BTW ever flown a rig in the tunnel? I base my guess off of over 100+ hours of flying in tunnels, about 15 hours with a rig.

BIG difference with the rig. Also, I have strapped about 30 pounds on to see how that worked as well. I found that with the extra 30 pounds, the higher airspeed made me SO much more powerful.

In reply to:
And the venturi effect (of some tunnels eg the SV ones) creates additional pressure within the chamber that does not exactly replicate freefall (not so in Bedford for example, no Venturi effect)

That makes no sense. Your body is not going to be able to tell the difference between Venturi created speed and any other type of created speed.


(This post was edited by Ron on Apr 11, 2006, 9:04 PM)


Edit Log:
Post edited by Ron () on Apr 11, 2006, 6:28 PM
Post edited by Ron () on Apr 11, 2006, 6:38 PM
Post edited by Ron () on Apr 11, 2006, 9:04 PM


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