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Search: Posts Made By: thcrozier
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Forum: Rumours & News
10th Nov 2015, 21:27
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

A little study on devices used in the past should...

A little study on devices used in the past should help you understand.
Forum: Rumours & News
10th Nov 2015, 21:20
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

How? Posts

How it could be done speculation is unwise in my opinion. It rarely seems to be moderated out, and many of us probably learned enough in high school chemistry to come up with numerous vectors.
...
Forum: Rumours & News
7th Nov 2015, 06:42
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Close the thread?

I'm afraid I don't agree.

Now the interesting part starts. i.e. How was it allowed to happen? The politics of conflict and the strategies and tactics that develop from them are far more...
Forum: Rumours & News
7th Nov 2015, 05:11
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Etud, I was commenting on Machinbird's question,...

Etud, I was commenting on Machinbird's question, which I interpreted (and I welcome his correction) as:

"If an event produces sonic waves at the rear of an airplane, the sonic waves will be...
Forum: Rumours & News
7th Nov 2015, 03:04
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

It would travel through whatever medium at only a...

It would travel through whatever medium at only a fraction of the speed of light, and then get back to the recorders in the tail at a theoretical limit of light speed. In actuality the return trip...
Forum: Rumours & News
6th Nov 2015, 19:52
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

I'd be shocked if they don't have that...

I'd be shocked if they don't have that capability, but I doubt an announcement is forthcoming. It's really just high school chemistry and physics.
Forum: Rumours & News
6th Nov 2015, 19:17
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Content deleted by author.

Content deleted by author.
Forum: Rumours & News
5th Nov 2015, 23:43
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

26 seconds is a long time.

26 seconds is a long time.
Forum: Rumours & News
5th Nov 2015, 23:39
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

MrOptimistic: Read the CAB Report of the...

MrOptimistic:

Read the CAB Report of the Continental 707 crash in 1962. It's only 8 pages and the physics are very similar.

http://murderpedia.org/male.D/images/doty_thomas/ws.pdf
Forum: Rumours & News
5th Nov 2015, 23:08
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Re: Micro gyroscope, accelerometer, gravity...

Re: Micro gyroscope, accelerometer, gravity sensor, and compass integration

Well Iceheart, you are getting into all the reasons they currently don't work very well, but those will be solved.
...
Forum: Rumours & News
5th Nov 2015, 22:51
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

NSEU: Thank you for your reply. All of...

NSEU:

Thank you for your reply.

All of the data from all of the sources you mention must be consolidated around hubs or maybe a central processor. I'm suggesting the recorders might be better...
Forum: Rumours & News
5th Nov 2015, 21:51
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Cell phones

Interesting thought about the videos, OLEOSTRUT. A lot of phones also have accelerometers and gyroscopes in them these days. Not good enough for an INS app yet, but it's in your future. One of the...
Forum: Rumours & News
4th Nov 2015, 23:01
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Heathrow: The detection technology is always...

Heathrow:

The detection technology is always improving...

See Figure 7

Supersensitive fingerprinting of explosives by chemically modified nanosensors arrays : Nature Communications : Nature...
Forum: Rumours & News
4th Nov 2015, 08:11
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

I'm thinking there were phugoids. Most of us...

I'm thinking there were phugoids. Most of us probably built model or paper airplanes as kids, and we all probably all saw what happens when the tail comes off. Not a ride you'd want to take but a...
Forum: Rumours & News
4th Nov 2015, 05:36
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

ENOUGH? Personally I think FR24 is improving...

ENOUGH?

Personally I think FR24 is improving all the time. Progress is difficult for us old guys to accept, especially when we thought we had the world all figured out long ago. I feel it as much...
Forum: Rumours & News
4th Nov 2015, 04:07
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Peekay: Assuming the plane broke in half...

Peekay:

Assuming the plane broke in half somewhere in the interval you've charted, I wonder if the data is coming from the back or the front?

Also, can you establish a time function between the...
Forum: Rumours & News
4th Nov 2015, 03:28
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Translations

I've made this comment several times over the years here in this forum and I'll say it again:

I'm completely bilingual in Spanish and English. That fact gives me the advantage of knowing how...
Forum: Rumours & News
3rd Nov 2015, 22:35
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Those were frightenly high frequency phugoids, on...

Those were frightenly high frequency phugoids, on the order of 8 seconds bottom to top. What's the expected frequency for an intact A321?
Forum: Rumours & News
3rd Nov 2015, 03:55
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Armchair aviatiors

Chucks:

Yes, if we live long enough we all end up in the armchair speculating on the rumor network.

Your first point seems to be there is something wrong with it, and then you go on to say...
Forum: Rumours & News
2nd Nov 2015, 22:29
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Digital sensor corrosion.

The marks on the door panel are unusual. If you look at the nearby painted components fainter distortions are also visible. Those may or may not actually be there; they look like they could possibly...
Forum: Rumours & News
2nd Nov 2015, 18:54
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Staining

I don't know what you call the grey area where the HS attaches, but the picture of it in the desert has little or no staining of the paint around it, while in the picture taken earlier this year...
Forum: Rumours & News
2nd Nov 2015, 02:04
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

So call it 5 a year. I would hope the frequency...

So call it 5 a year. I would hope the frequency is decreasing given modern Cockpit Displays. Still, it would be interesting to compare failure rates in repaired vs never damaged aircraft.
Forum: Rumours & News
2nd Nov 2015, 01:20
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Tail strike frequency

I count 57 on this list, which runs from March '07 to August '15.

The Aviation Herald (http://avherald.com/h?search_term=tailstrike&opt=0&dosearch=1&search.x=0&search.y=0)
Forum: Rumours & News
1st Nov 2015, 02:43
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

2614

damirc:

Interesting graphics. 2614 looks like an outlier. It will be interesting to learn the true story, but if the rest of the data is remotely correct, I think something catastrophic happened...
Forum: Rumours & News
1st Nov 2015, 01:13
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Integration

Without doing all the math, it seems to me that this altitude profile is not necessarily in conflict with the Vertical Speed graphic posted this morning on ASN.
Forum: Rumours & News
31st Oct 2015, 18:20
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

henra: Regarding Ground Speed, imagine a full...

henra: Regarding Ground Speed, imagine a full loop; your ground speed will approach zero as your angle of travel with respect to the ground approaches vertical.

But as has been pointed out, there...
Forum: Rumours & News
31st Oct 2015, 17:14
Replies: 2,082
Views: 2,497,010
Posted By thcrozier

Graphic

They've used an algorithm to fit their curve to those points, but essentially you've got 8 sec of VS approaching -6,000; then 6 sec of VS approaching +4,000; then 8 sec of VS approaching -7,000; then...
Showing results 1 to 27 of 27


 
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