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Search: Posts Made By: Gysbreght
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Forum: Rumours & News
2nd Dec 2015, 14:19
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

On the airbus, stall warning is only encountered...

On the airbus, stall warning is only encountered in alternate law, i.e. when the systems are already degraded by multiple failures. So stall warning is always preceded by other, unrelated, warnings...
Forum: Rumours & News
2nd Dec 2015, 13:17
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

The aural stall warning is evidently ineffective....

The aural stall warning is evidently ineffective. Would it be difficult to attach a shaker to the sidestick?
Forum: Rumours & News
13th Feb 2015, 22:13
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

Are they? Scale effects are expressed in the...

Are they? Scale effects are expressed in the Reynolds number, which considers viscosity. Combine that with Mach number, which considers compressibility. Then you'll see the need for full-scale...
Forum: Rumours & News
8th Feb 2015, 12:08
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

More often than not the stall results from an...

More often than not the stall results from an inappropriate rate of climb, and the attitudes can be quite normal.
Forum: Rumours & News
20th Jan 2015, 21:15
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

It is possible but unlikely. The airplane would...

It is possible but unlikely. The airplane would have to maintain its pitch attitude, thrust setting, and airspeed, and the gust would have to last long enough for the airplane to attain the vertical...
Forum: Rumours & News
17th Jan 2015, 12:06
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

If there are no problems with the decoding and...

If there are no problems with the decoding and timing of the data, the first may take one or two days. The second will take longer. In terms of causes and effects I expect the accident scenario to be...
Forum: Rumours & News
15th Jan 2015, 11:44
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

The DFDR memory module contains a long string of...

The DFDR memory module contains a long string of 0’s and 1’s, called “bits”. Twelve bits comprise a “word”, many words are contained in a 1-second “subframe”, 4 subframes form a “frame”. The meaning...
Forum: Rumours & News
14th Jan 2015, 11:05
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

I take it you were not referring to my post....

I take it you were not referring to my post. Otherwise please indicate what you disagree with.
Forum: Rumours & News
14th Jan 2015, 09:34
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

It depends on what you mean by "full stall". The...

It depends on what you mean by "full stall". The regulation calls for the speed to be reduced until the stall is identified, and lists the criteria that represent acceptable stall identifications....
Forum: Rumours & News
6th Jan 2015, 11:15
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

Machinbird, I agree that a crash site...

Machinbird,

I agree that a crash site not far from LKP may indicate a sustained stall, though not necessarily from cruise altitude. However, as you know, the plane with all system components...
Forum: Rumours & News
5th Jan 2015, 14:13
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

Machinbird, Thanks for the structured...

Machinbird,

Thanks for the structured evaluation of “what we know” in your post#1150.

The problem with items 2 and 3 of your “5 ways to crash” is that the airplane doesn’t stall unless...
Forum: Rumours & News
2nd Jan 2015, 11:30
Replies: 3,923
Views: 4,468,619
Posted By Gysbreght

Yes, khorton's post was excellent. However,...

Yes, khorton's post was excellent.

However, recovery from a stall requires:

1. reduce AoA, and
2. regain airspeed

Training emphasis has recently shifted towards the first, and I miss that...
Showing results 1 to 12 of 12


 
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