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Forum: Tech Log

27th Jun 2017, 13:56

Replies: 21

Angle of attack indicator

Views: 9,382

Posted By Owain Glyndwr

Gundernak, Sorry, but you have it completely...

Gundernak,

Sorry, but you have it completely wrong. It is UPWASH not downwash that makes the change, which is not "massive" - probably about 4 or 5 degrees at full flap; and if you introduce a...

Forum: Tech Log

23rd Jun 2017, 12:02

Replies: 21

Angle of attack indicator

Views: 9,382

Posted By Owain Glyndwr

@Gundernak, Introducing pitch tends to...

@Gundernak,

Introducing pitch tends to confuse the issue. Pitch is the sum of AOA and flight path angle. Stall depends ONLY on AOA and it is better to confine discussion to that parameter .
You...

Forum: Tech Log

23rd Jun 2017, 06:24

Replies: 21

Angle of attack indicator

Views: 9,382

Posted By Owain Glyndwr

@ Gundernak AOA is usually defined as the...

@ Gundernak
AOA is usually defined as the angle between the upstream freestream velocity and a fixed airframe reference axis. Since wings are often twisted across the span and this twist varies...

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