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Forum: Private Flying

7th Mar 2024, 09:43

Replies: 30

CG and stability

Views: 2,130

Posted By Discorde

Two sensors indicating high A of A --> stab trim...

Two sensors indicating high A of A --> stab trim (MCAS) input

Discrepancy between sensors --> no stab trim input (but possibly reduced stall protection).

Forum: Private Flying

7th Mar 2024, 08:42

Replies: 30

CG and stability

Views: 2,130

Posted By Discorde

This was the problem Boeing faced with the 737...

This was the problem Boeing faced with the 737 Max. The geometry of the new (further forward) engine nacelles generated an extra pitch up moment which reduced the control wheel pull as the stall was...

Forum: Private Flying

7th Mar 2024, 08:28

Replies: 30

CG and stability

Views: 2,130

Posted By Discorde

The vertical component of any gusts will affect...

The vertical component of any gusts will affect the angle of attack of both the wings and the tailplane, and also the positions of their respective centres of pressure, which in turn will generate...

Forum: Private Flying

6th Mar 2024, 11:24

Replies: 30

CG and stability

Views: 2,130

Posted By Discorde

Further to the above: 3.3 TAIL DOWN-FORCE ...

Further to the above:

3.3 TAIL DOWN-FORCE

As previously mentioned, the tailplane generates the tail down-force. To understand how this force is generated, it is merely necessary to visualise...

Forum: Private Flying

6th Mar 2024, 10:35

Replies: 30

CG and stability

Views: 2,130

Posted By Discorde

From 'Handling Light Aircraft' by Julien Evans: ...

From 'Handling Light Aircraft' by Julien Evans:

https://cimg6.ibsrv.net/gimg/pprune.org-vbulletin/411x316/forces_1f66b287636244750792eee3e5f4dc62f26671f7.jpg

3.8.1 Longitudinal stability
...

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