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Search: Posts Made By: KenV
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Forum: Rumours & News
14th Nov 2018, 13:48
Replies: 2,099
Views: 1,471,785
Posted By KenV

You appear to be very ignorant of the...

You appear to be very ignorant of the certification process. Yes, the airframers decide that, and no the regulators do not. Airbus for example assumes a significantly lower skill level pilot than...
Forum: Rumours & News
14th Nov 2018, 13:35
Replies: 2,099
Views: 1,471,785
Posted By KenV

This has been a basic design philosophy at both...

This has been a basic design philosophy at both Boeing and Douglas since forever. And because that is the way it is designed, it is tested to ensure it behaves as designed and is part of the type...
Forum: Rumours & News
14th Nov 2018, 12:52
Replies: 2,099
Views: 1,471,785
Posted By KenV

Don't disagree per se, but this statement...

Don't disagree per se, but this statement requires clarification. Runaway trim (from whatever cause) can cause loss of control only in a very small corner of the flight envelope (specifically, when...
Forum: Rumours & News
13th Nov 2018, 21:12
Replies: 2,099
Views: 1,471,785
Posted By KenV

Why? Because there are numerous "cruise...

Why? Because there are numerous "cruise conditions", even on the same flight. How so? The required AOA depends on a variable that is constantly changing: weight. Do you set "best performance" for...
Forum: Rumours & News
13th Nov 2018, 17:19
Replies: 2,099
Views: 1,471,785
Posted By KenV

It's one thing to mince rumors. Another to spout...

It's one thing to mince rumors. Another to spout abject falsehoods. FAA, CAA, and lots of other regulatory folks were well aware of the existence of the MACS and tested it thoroughly. What Boeing did...
Forum: Rumours & News
8th Nov 2018, 15:16
Replies: 2,099
Views: 1,471,785
Posted By KenV

Agreed, this is unrelated to this accident. All...

Agreed, this is unrelated to this accident. All the available data indicate the accident aircraft was well above 1G stall for the pressure altitude and thus they had plenty of elevator authority. ...
Forum: Rumours & News
8th Nov 2018, 13:30
Replies: 2,099
Views: 1,471,785
Posted By KenV

I agree this note in the manual is likely not...

I agree this note in the manual is likely not related to this accident. All the data available indicates the accident aircraft was well above stall airspeed for the pressure altitude they were...
Forum: Rumours & News
7th Nov 2018, 18:10
Replies: 2,099
Views: 1,471,785
Posted By KenV

Sorry, no. There is a vast difference technically...

Sorry, no. There is a vast difference technically between a flame out and uncommanded low RPM condition. Vast. To the pilot the results are largely the same, but to the engineer trying to understand...
Forum: Rumours & News
7th Nov 2018, 18:04
Replies: 2,099
Views: 1,471,785
Posted By KenV

That is correct. If for some reason the electric...

That is correct. If for some reason the electric trim system runs away, it can be cut off. Once cut off one can use the manual trim wheels to manually trim the aircraft. The aircraft remains...
Forum: Rumours & News
7th Nov 2018, 17:37
Replies: 2,099
Views: 1,471,785
Posted By KenV

No. STS is not an auto trim system. Indeed it...

No. STS is not an auto trim system. Indeed it normally functions opposite to trim. And no it is not designed to "prevent a stall condition."
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