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Boeing 767 Low-altitude Top Speed

Guest_Ningen_*
post Sep 2 2007, 01:35 AM
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Does anyone know how fast a Boeing 767 can fly at low altitude? The top speed at cruising altitude is over 500 mph, but I've heard the following about flight at 700 feet altitude:

The power plant will max out at 330 mph.

The plane will begin to shake itself apart at over 220 mph.

At 700 feet altitude, the air is so thick that if you go too fast you max the rotation of the turbines, the engines can't suck in air, and the engine starts acting as a brake.

Does this make sense?

Where could I get more detailed information about flight limitations (or whatever you call it) of the Boeing 767?

Thank you.

This post has been edited by Ningen: Sep 2 2007, 04:19 AM
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rob balsamo
post Jan 24 2009, 02:26 PM
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I havent cross checked your numbers, however, all your calculations are based on a stock 767 with stock engines in level flight which was never positively identified as the aircraft used and observed/video taped by multiple witnesses in NYC, and could have been modified in any way. Your essay is moot until the mentioned variables are confirmed and verified.

With that said, we already know the aircraft was not in level flight, in which weight now adds to the thrust vector causing higher speeds than the max thrust. Vmo/Mmo limitations for a stock 767 are clear. We are still trying to obtain wind tunnel data to see if a stock 767 can structurally perform at such speeds. If it cannot, the govt story has once again been proven a lie. But this also does not mean "No planes" were used.
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tnemelckram
post Jan 25 2009, 01:31 PM
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Hi all! Interesting. With respect to Rob's No. 46:

QUOTE
We are still trying to obtain wind tunnel data to see if a stock 767 can structurally perform at such speeds.


Is it possible to soup up and/or reinforce a stock 767 or 757 so that it exceeds the relevant limits? Sort of like what the NASCAR guys do with a standard manufacturer's car. Make the engines more powerful so it is faster, beef up the control surfaces, strengthen the structure, change the computer tolerances, whatever.


QUOTE
But this also does not mean "No planes" were used.


I think that such souped up planes are a possibility at the Pentagon or WTC 2, in each case as an alternative to or in addition to some type of remote guidance. Some examples:

1. At WTC 2, load the passengers and hijackers on to a souped up plane with remote guidance and use it as shown on the reliable films of the crash.

2. At the Pentagon, just soup it up so that it can maneuver better for the flyover and fly faster so it can hightail its way out of there and minimize the chances that it will be seen. The modifications don't have to take passenger weight, safety or comfort into account and can "push the envelope" because a pilot can be specifically trained on the souped up plane beforehand. For a pilot, I'd use a general. It is likely that only people that high would be involved in this kind of monkey business, and someone involved would be highly motivated to succeed at this "mission". And his shoulder braids would be flapping and maybe his hat would fly off.

This post has been edited by tnemelckram: Jan 25 2009, 01:35 PM
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Posts in this topic
- Ningen   Boeing 767 Low-altitude Top Speed   Sep 2 2007, 01:35 AM
- - Cary   First up, welcome to the forum Ningen. Second, th...   Sep 2 2007, 06:04 PM
- - Ningen   Thanks, Cary. Actually, I was being a little cagy...   Sep 2 2007, 06:15 PM
- - Ningen   It looks like there is a thread already going abou...   Sep 2 2007, 10:22 PM
- - ogrady   Hi. I'm new here today and verifying Mr. Keith...   Oct 1 2007, 07:20 PM
- - Factfinder General   QUOTE (ogrady @ Oct 1 2007, 06:20 PM)Hi. I...   Oct 2 2007, 02:43 AM
- - alfonslof   QUOTE (Ningen @ Aug 31 2007, 03:35 AM) Do...   Jul 31 2008, 09:18 PM
|- - tit2   Quote: "It may not be a real plane at all....   Aug 2 2008, 05:58 AM
|- - streetcar304   QUOTE (alfonslof @ Jul 31 2008, 09:18 PM)...   Aug 4 2008, 10:02 PM
|- - rob balsamo   QUOTE (streetcar304 @ Aug 4 2008, 10:02 P...   Aug 4 2008, 11:48 PM
||- - streetcar304   QUOTE (rob balsamo @ Aug 4 2008, 11:48 PM...   Aug 5 2008, 05:58 AM
|- - thyket   QUOTE (streetcar304 @ Aug 3 2008, 01:02 A...   Aug 6 2008, 07:52 PM
||- - rob balsamo   QUOTE (thyket @ Aug 6 2008, 07:52 PM) 757...   Aug 6 2008, 08:16 PM
||- - streetcar304   QUOTE (rob balsamo @ Aug 6 2008, 08:16 PM...   Aug 7 2008, 06:28 AM
|- - dMole   QUOTE (streetcar304 @ Aug 4 2008, 08:02 P...   Aug 17 2008, 05:06 AM
|- - Omega892R09   QUOTE (dMole @ Aug 15 2008, 08:06 AM) Ano...   Aug 17 2008, 07:46 AM
|- - dMole   QUOTE (Omega892R09 @ Aug 17 2008, 05:46 A...   Aug 17 2008, 08:44 AM
|- - dMole   QUOTE (Omega892R09 @ Aug 17 2008, 05:46 A...   Aug 17 2008, 12:57 PM
|- - Omega892R09   QUOTE (dMole @ Aug 15 2008, 03:57 PM) Tha...   Aug 18 2008, 11:43 AM
- - rob balsamo   Your friend is speculating unless he himself has a...   Aug 5 2008, 08:42 AM
- - amazed!   I've never flown a Boeing or any other airline...   Aug 6 2008, 03:31 PM
|- - Omega892R09   QUOTE (amazed! @ Aug 4 2008, 06:31 PM...   Aug 7 2008, 11:43 AM
- - fransan   I would like to tell you some of my own experience...   Aug 7 2008, 12:42 AM
|- - dMole   QUOTE (fransan @ Aug 6 2008, 10:42 PM) Bu...   Aug 17 2008, 05:36 AM
- - rob balsamo   P4T never claimed Vmo/Mmo is the max speed an airc...   Aug 7 2008, 10:20 AM
- - Seatnineb   one thing is for sure....a 767 incurs aerodynamic ...   Aug 16 2008, 04:27 AM
|- - rcane   QUOTE (Seatnineb @ Aug 16 2008, 04:27 AM)...   Sep 7 2008, 03:28 PM
|- - Seatnineb   QUOTE (rcane @ Sep 7 2008, 02:28 PM) Don...   Sep 8 2008, 05:13 PM
- - amazed!   The better question IMO, is can an autopilot fly t...   Aug 16 2008, 11:07 AM
- - dMole   "You know that the safety factors built into ...   Aug 17 2008, 04:43 AM
- - fransan   Hello. I insist the actual limit of the airframe ...   Aug 17 2008, 03:12 PM
|- - rob balsamo   QUOTE (fransan @ Aug 17 2008, 03:12 PM) H...   Aug 17 2008, 06:05 PM
- - fransan   Hey, hey, easy there Rob. Sorry for voicing my hu...   Aug 18 2008, 01:38 PM
- - dMole   OK, here's a little on the [off-topic, red her...   Aug 18 2008, 02:51 PM
- - Seatnineb   Ok...this may not be a 767....but the laws of aer...   Aug 18 2008, 03:07 PM
- - dMole   Thanks S9B- sourced aerodynamics information is al...   Aug 18 2008, 04:04 PM
|- - Seatnineb   QUOTE (dMole @ Aug 18 2008, 04:04 PM) Tha...   Aug 19 2008, 02:56 PM
|- - dMole   QUOTE (Seatnineb @ Aug 19 2008, 12:56 PM)...   Aug 19 2008, 06:34 PM
|- - Omega892R09   QUOTE (dMole @ Aug 17 2008, 08:34 PM) The...   Aug 20 2008, 12:38 PM
|- - dMole   QUOTE (Omega892R09 @ Aug 20 2008, 10:38 A...   Aug 20 2008, 07:14 PM
- - Omega892R09   On lack of data. What puzzles me about all this i...   Aug 19 2008, 07:26 AM
- - rob balsamo   Limitations are learned during initial training, a...   Aug 19 2008, 01:24 PM
- - amazed!   The vast majority of limitations can be exceeded w...   Aug 19 2008, 02:31 PM
|- - Omega892R09   QUOTE (amazed! @ Aug 17 2008, 05:31 P...   Aug 19 2008, 04:57 PM
- - SubjectX   Let's look at it like this; If an air liner h...   Jan 24 2009, 05:28 AM
|- - dMole   QUOTE (SubjectX @ Jan 24 2009, 02:28 AM) ...   Jan 24 2009, 05:50 PM
|- - rob balsamo   QUOTE (dMole @ Jan 24 2009, 04:50 PM) In ...   Jan 24 2009, 06:52 PM
- - rob balsamo   I havent cross checked your numbers, however, all ...   Jan 24 2009, 02:26 PM
|- - tnemelckram   Hi all! Interesting. With respect to Rob...   Jan 25 2009, 01:31 PM
- - Seatnineb   Well It would seem for the 707 used in the 1984 ...   Jan 25 2009, 08:42 AM
- - dMole   Thank you S9B, and not that it makes a huge diffe...   Jan 25 2009, 09:03 AM
- - rob balsamo   QUOTE (Seatnineb @ Jan 25 2009, 07:42 AM)...   Jan 25 2009, 02:18 PM
- - tnemelckram   Hi Rob! QUOTE Of course.... anything is possi...   Jan 25 2009, 03:48 PM


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