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Search: Posts Made By: LEOCh
Showing results 1 to 9 of 9
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Forum: Rumours & News
4th Dec 2018, 11:10
Replies: 2,099
Views: 1,471,936
Posted By LEOCh

Hello Bernd, thanks for your reply I...

Hello Bernd, thanks for your reply



I would mostly agree but assert that static longitudinal stability in general requires the horizontal tail (stab+elevator) to be at lower AoA than the wing,...
Forum: Rumours & News
4th Dec 2018, 08:00
Replies: 2,099
Views: 1,471,936
Posted By LEOCh

I would have to respectfully disagree that the...

I would have to respectfully disagree that the MCAS is likely there to comply with FAA 25.175, along with the STS. Note the stick force requirement in that section is not at airspeed less than...
Forum: Rumours & News
18th Nov 2018, 08:10
Replies: 2,099
Views: 1,471,936
Posted By LEOCh

This certainly makes sense, but I'm not sure that...

This certainly makes sense, but I'm not sure that two AoA vanes really constitute two sensors. Instead they are a special case as they are only semi-independant, (i.e expected to disagree somewhat...
Forum: Rumours & News
16th Nov 2018, 04:46
Replies: 2,099
Views: 1,471,936
Posted By LEOCh

The Leeham News article is quite informative of...

The Leeham News article is quite informative of why the MCAS is required on the MAX, and fills in some blanks. I originally thought heavier engines further forward should if anything bring COG...
Forum: Rumours & News
14th Nov 2018, 05:22
Replies: 2,099
Views: 1,471,936
Posted By LEOCh

Now that the new MCAS is firmly implicated, I...

Now that the new MCAS is firmly implicated, I wonder why it was implicated on the MAX. One possible reason was that it was considered to be required by transport airworthiness certification via...
Forum: Rumours & News
11th Nov 2018, 00:57
Replies: 2,099
Views: 1,471,936
Posted By LEOCh

Wow, thanks for posting. This appears to be the...

Wow, thanks for posting. This appears to be the missing puzzle piece, a new MAX system apparently unknown outside of Boeing which directly links AoA to the stab for improved stall protection (when...
Forum: Rumours & News
9th Nov 2018, 21:46
Replies: 2,099
Views: 1,471,936
Posted By LEOCh

Two questions I think are still unclear: ...

Two questions I think are still unclear:

Through what pathway did the faulty AoA sensor feed bad data to the trim stabiliser?
People are discussing the STS as a possibility, but AoA is not a...
Forum: Rumours & News
4th Nov 2018, 01:07
Replies: 2,099
Views: 1,471,936
Posted By LEOCh

Thanks Bru, am also operating on the assumption...

Thanks Bru, am also operating on the assumption that the maintenance logs are genuine and the faults on the previous flight point are likely factors on the accident flight.

The FEEL DIFF PRESS...
Forum: Rumours & News
2nd Nov 2018, 00:33
Replies: 2,099
Views: 1,471,936
Posted By LEOCh

It is interesting to consider that a contributing...

It is interesting to consider that a contributing factor to this accident may have been the Boeing (vs Airbus) approach to introducing automation into the cockpit. Both the STS and elevator feel...
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