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Forum: Tech Log

24th Nov 2020, 10:44

Replies: 99

B-737 Speed Trim System

Views: 79,644

Posted By safetypee

vilas, 'Shall I say undesirable pitch up near...

vilas, 'Shall I say undesirable pitch up near stall?'
Only if correct; not proven to be so.

MCAS restored a less than desirable change in stick force with decreasing speed (stability - but...

Forum: Tech Log

24th Nov 2020, 08:48

Replies: 99

B-737 Speed Trim System

Views: 79,644

Posted By safetypee

vilas, you should reconsider your use of the...

vilas, you should reconsider your use of the phrase 'dangerous stall characteristics', and implication that stall avoidance is the design objective of STS.

There are significant differences...

Forum: Tech Log

7th Dec 2018, 12:23

Replies: 99

B-737 Speed Trim System

Views: 79,644

Posted By safetypee

More thoughts about system’s architecture and...

More thoughts about system’s architecture and input sensors; primarily relating to MCAS, but perhaps some may relate to STS.

Although the aircraft airspeed system has ‘triplex’ integrity, this...

Forum: Tech Log

4th Dec 2018, 15:11

Replies: 99

B-737 Speed Trim System

Views: 79,644

Posted By safetypee

From the descriptions in this thread and external...

From the descriptions in this thread and external inks, #97, and particularly https://www.satcom.guru/2018/11/stabilizer-trim.html, the STS is a ‘crutch’ on late series 737 to meet low speed...

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