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Search: Posts Made By: RetiredF4
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Forum: Tech Log
8th Jul 2011, 09:18
Replies: 1,069
Views: 280,119
Posted By RetiredF4

Speed input

Long time ago i asked a similar question and got no definite respose, therfore let me jump in again here.

When a pilot operates the stick in an aircraft where flight control deflection is not...
Forum: Tech Log
6th Jul 2011, 19:36
Replies: 1,069
Views: 280,119
Posted By RetiredF4

And how do you explain TOGA in an overspeed? ...

And how do you explain TOGA in an overspeed?
Just curious.
Forum: Tech Log
4th Jul 2011, 21:46
Replies: 1,069
Views: 280,119
Posted By RetiredF4

Re HazelNuts39

Quotes all HazelNuts39


The speed was .8M for turbulence, as the crew stated. Or do you say, they where still in decelerating mode? The AOA value was reached by the sudden pitchup to 10°...
Forum: Tech Log
4th Jul 2011, 10:14
Replies: 1,069
Views: 280,119
Posted By RetiredF4

Why the pitch up?

It might have been a mix of several factors causing the pitch up.
As i´m unable to think in bits and bytes i´ll do the traditional approach (aerodynamics and human behaviour).

My first thing to...
Forum: Tech Log
2nd Jul 2011, 21:51
Replies: 1,069
Views: 280,119
Posted By RetiredF4

I think the warning systems are quite different....

I think the warning systems are quite different. They are overloading and i´m also not happy with the detail of the warning, if a understand the events of AF447 correctly.

If the speed gets...
Forum: Tech Log
2nd Jul 2011, 10:14
Replies: 1,069
Views: 280,119
Posted By RetiredF4

It´s the old basic airmanship when running into...

It´s the old basic airmanship when running into non standard situations:

1. Maintain aircraft control
2. Analyze the situation
3. Take proper action

Now let me look in some detail at those...
Forum: Tech Log
29th Jun 2011, 13:14
Replies: 1,069
Views: 280,119
Posted By RetiredF4

Cognitive Issues

Well said.

Back then when flying i would tell my WSO to shut up. Today with my wife continously talking on the right seat in the car (we drive here on the left one) i better don´t tell her to...
Forum: Tech Log
24th Jun 2011, 10:43
Replies: 1,069
Views: 280,119
Posted By RetiredF4

. V/S can have been reducedby other...

.

V/S can have been reducedby other factors as well like bank angle / roll to left and right, decaying airspeed, drag by deflected ailerons / rudder.

Concerning AOA: The relationship between...
Forum: Tech Log
18th Jun 2011, 16:42
Replies: 1,069
Views: 280,119
Posted By RetiredF4

Re LI9nk

Machinebird, the link is known and my statement concerning the effectiveness of the THS for ND is based on it. .

See my post No. 35 and PickyPerkins post No. 100 in this thread.

Another...
Forum: Tech Log
18th Jun 2011, 10:25
Replies: 1,069
Views: 280,119
Posted By RetiredF4

Re @ Henra

Re Henra

Lets face the fact, that finally it´is the sum of all moments, which lead to the desired outcome. Wether the CD produces some ND input and CL produces some NU input or vice versa, the...
Forum: Tech Log
17th Jun 2011, 08:01
Replies: 1,069
Views: 280,119
Posted By RetiredF4

Re RetiredF4 and HeavyMetallist

@ PickyPerkins

Thank you for doing the handywork posting the graphs i referenced to. I´m too dumb on computers to do it:).
You visualized my point of view.
Forum: Tech Log
16th Jun 2011, 13:28
Replies: 1,069
Views: 280,119
Posted By RetiredF4

THS post stall lift

Good reference, with witch i was familiar already. But i´m unable to see how you would prove your point of enough THS authority being available at 60° AOA.

Lets start on page 153 of your...
Forum: Tech Log
15th Jun 2011, 22:38
Replies: 1,069
Views: 280,119
Posted By RetiredF4

Are you talking about a stalled airfoil or an...

Are you talking about a stalled airfoil or an airfoil in unstalled condition? I´m sure there is a lot of difference in it without being an aerodynamic specialist. Otherwise any object producing drag...
Forum: Tech Log
15th Jun 2011, 20:03
Replies: 1,069
Views: 280,119
Posted By RetiredF4

THS effectiveness with high AOA > 60

It is based on my own expierience out of high performance aircraft with a big ugly stabilizer....... which we could stall at less angle than 45° AOA. Fortunately we had a big heavy cannon in the...
Showing results 1 to 14 of 14


 
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