PPRuNe Forums - Search Results

Search: Posts Made By: engine-eer

Showing results 1 to 7 of 7
Search took 0.00 seconds.

Forum: Tech Log

8th Jun 2011, 02:06

Replies: 2,070

AF447 Thread No. 3

Views: 615,649

Posted By engine-eer

Lonewolf, Station 1 is the free stream,...

Lonewolf,

Station 1 is the free stream, PT2 is total pressure at the engine inlet. Total pressure is total pressure, whether you measure it at the engine inlet face or with a pitot tube, so long...

Forum: Tech Log

7th Jun 2011, 20:01

Replies: 2,070

AF447 Thread No. 3

Views: 615,649

Posted By engine-eer

One thing that has bugged me is that the flight...

One thing that has bugged me is that the flight control system very quickly gave up control when it lost airspeed information. In these degraded modes, I can understand dropping off the autopilot,...

Forum: Tech Log

4th Jun 2011, 19:59

Replies: 2,070

AF447 Thread No. 3

Views: 615,649

Posted By engine-eer

I am not questioning the current airworthiness, I...

I am not questioning the current airworthiness, I understand the issue has been addressed. I don't think that the system was airworthy at the time. What I am saying is, if they were known to be...

Forum: Tech Log

4th Jun 2011, 17:31

Replies: 2,070

AF447 Thread No. 3

Views: 615,649

Posted By engine-eer

Lets go back to the start for a minute

While there is a lot of conjecture as to what happened when (and the releases so far don't clear much of it up), it seems nobody is disputing that the airspeed sensors shut down (for whatever reason,...

Forum: Tech Log

2nd Jun 2011, 22:47

Replies: 2,070

AF447 Thread No. 3

Views: 615,649

Posted By engine-eer

Well, yes you could resume flying and generating...

Well, yes you could resume flying and generating lift, but you would be diving at a pretty severe angle and you have to generate enough G to turn the aircraft from that nose down path to horizontal....

Forum: Tech Log

2nd Jun 2011, 21:01

Replies: 2,070

AF447 Thread No. 3

Views: 615,649

Posted By engine-eer

Ok, I get it, he told the airplane to climb and...

Ok, I get it, he told the airplane to climb and it did. In this particular case Direct law would have been better than Alternate law since it wouldn't have trimmed him nose up, but if he hadn't held...

Forum: Tech Log

2nd Jun 2011, 20:29

Replies: 2,070

AF447 Thread No. 3

Views: 615,649

Posted By engine-eer

Airbus control logic and alternate mode control

One problem that I see here with the Airbus approach to degraded mode operation is that the aircraft can be put into a flight mode that is not natural. In normal law the aircraft flies to a point in...

Showing results 1 to 7 of 7