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Search: Posts Made By: ManaAdaSystem
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Forum: Tech Log
7th Dec 2018, 15:02
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

Yes, because you cancel it by trimming against...

Yes, because you cancel it by trimming against it. As I have done for nearly 20 years. My point is, if STS was not there, you would not notice. As the aircraft accelerates you would trim down. Same...
Forum: Tech Log
30th Nov 2018, 10:55
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

With that logic all FBW aircraft should operate...

With that logic all FBW aircraft should operate in degraded mode at all times. That would keep the pilots ready always.
Forum: Tech Log
28th Nov 2018, 06:15
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

Thanks! So there is a difference between US and...

Thanks! So there is a difference between US and European certification in this area? I don’t fly Airbus but I believe Airbus aircraft are kept in trim (pitch).
If I understand the 777 system...
Forum: Tech Log
27th Nov 2018, 22:54
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

But STS works primarily in low speed situations,...

But STS works primarily in low speed situations, it’s not active during normal cruise:

STS Mach gain is fully enabled between 100 KIAS and Mach 0.60 with a fadeout to zero by Mach 0.68

How...
Forum: Tech Log
17th Nov 2018, 09:54
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

Thanks for your explanation on the Max. We have...

Thanks for your explanation on the Max. We have max 15 kts addon on our NGs, this was just changed. We operate SFP NGs and regular ones. There is a marked difference between the two models when it...
Forum: Tech Log
16th Nov 2018, 21:46
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

NG -800 has a bad rep when it comes to landing...

NG -800 has a bad rep when it comes to landing mishaps. I really hope your predicitons about the Max does not come through.
Forum: Tech Log
16th Nov 2018, 21:41
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

I have no clue as to pounds pr knots, but I am...

I have no clue as to pounds pr knots, but I am familiar with trim down when speed increases and trim up when speed decreases. I am not familiar with the trim up when speed increases STS action. You...
Forum: Tech Log
16th Nov 2018, 15:40
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

And in three sentences, you have explained the...

And in three sentences, you have explained the STS perfectly. Thanks!

But I still don’t like it.
Forum: Tech Log
16th Nov 2018, 14:02
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

Why so agressive? I have used the trim to cancel...

Why so agressive? I have used the trim to cancel out STS for nearly 20 years, without it I would need to trim much less.
I have just not bothered to see what it really does before now. What is wrong...
Forum: Tech Log
16th Nov 2018, 12:59
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

Forgive me, I have only been flying for 30 years...

Forgive me, I have only been flying for 30 years and nearly 20 on the NG, but all my departures in this period have been about raising the landing gear, accelerate and retract the flaps before I head...
Forum: Tech Log
15th Nov 2018, 17:54
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

I thank you all for your contributions to this...

I thank you all for your contributions to this discussion. I think I get what you are trying to explain, but I am a simple soul and by my logic, any system that works agains my control inputs when I...
Forum: Tech Log
4th Nov 2018, 00:51
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

Not maintaining altitude, just a normal take off...

Not maintaining altitude, just a normal take off and acceleration. The STS is not supposed to do anything past 10 seconds after take off, but it does. If I follow your logic, it would trim towards...
Forum: Tech Log
4th Nov 2018, 00:40
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

Take off today. 76 tons. So not low gross weight....

Take off today. 76 tons. So not low gross weight. I let the STS do it’s job (it was not supposed to do anything due to high gross weight?). It was trimming way longer than the claimed 10 seconds band...
Forum: Tech Log
2nd Nov 2018, 21:15
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

No, it will happily continue to trim even if you...

No, it will happily continue to trim even if you push (you need to) forward on the controls after take off when you accelerate. It will stop when you apply opposite trim. Which I do on every take off...
Forum: Tech Log
2nd Nov 2018, 11:24
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

I don’t understand the meaning of «return the...

I don’t understand the meaning of «return the airplane to the trimmed speed». And if you need force on the controls, in my head, this makes the aircraft anything but speed stable. Or in trimmed...
Forum: Tech Log
2nd Nov 2018, 10:23
Replies: 99
Views: 79,457
Posted By ManaAdaSystem

B-737 Speed Trim System

I though I had this annoying system nailed, but when I read what the FCOM says, I’m just getting confused. How can a system trim to return the aircraft to the trimmed speed by trimming opposite the...
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