Viewing Single Post From: Police stopped traffic before the plane hit

Viewing Single Post From: Police stopped traffic before the plane hit
Reddawn	Feb 3 2008, 10:51 AM
Posts: 57 Group: Members Member #39 Joined: 01/15/08	Hetware Feb 1 2008, 01:17 PM Stundie Feb 1 2008, 09:01 AM Here is what happens to car unfortunate enough to get in the way of a jet engines turbines from 50 yards away. So if AA77 was going full throttle and Lloyd saw this plane clip a light pole, (So it is much less than 50 yards away!) then please explain why is car is still intact and not blown over as in like the video above demonstrates?? The 757 that passed over Washington Blvd was clocking at 540 mph. In the video you posted the plane was standing still. This is a more realistic, yet sill poor comparison. Stundie should know that the physics involved with jet blast (ground effect, wake turbulance, whatever you want to call it) are completetly different depending on the situation. 1. When a plane is at a standstill and applying full power. This is the case stundie illustrates and the effect, is indeed rather dangerous and powerfull to anything behind it. 2. When a plane is taking off. This wake turbulance ia also powerfull but not as much as in the first case. The primary danger is to other planes that may take off right behind it as the turbulance creates vortexes in the air that can affect the lift and flying characteristics of planes attempting to depart right behind it. ATC has rules for how long a following plane must wait to depart behind a large jet. The same rules do NOT apply behind landing jets. 3. When a plane is landing or flying close to the ground at full speed. This was the case at the Pentagon. While the engines are still producing thrust and turbulance, the effect is greatly minimized and almost completely negated by the forward momentum of the plane. The supposed "ground effect" that DRG and others espouse is nonsense. Check out this video which shows a 747 landing less than 30 feet above people and a vehicle, with zero effect on them. http://video.google.com/videoplay?docid=2231669038729956701&q=plane+landing&total=15038&start=0&num=10&so=0&type=search&plindex=8 Edited by Reddawn, Feb 3 2008, 10:53 AM.
Posts: 57 Group: Members Member #39 Joined: 01/15/08

Police stopped traffic before the plane hit · Pentagon