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Search: Posts Made By: vilas
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Forum: Tech Log
17th Apr 2014, 02:33
Replies: 99
Views: 17,744
Posted By vilas

Kip The link you posted certainly helped. What...

Kip
The link you posted certainly helped. What Mustafa stated Vs has nothing to do with Vmca and Vmca is lower by margin raised the question how did they demonstrate the speed as is required by the...
Forum: Tech Log
16th Apr 2014, 01:58
Replies: 99
Views: 17,744
Posted By vilas

My question is if Vmca is below VS then how is it...

My question is if Vmca is below VS then how is it demonstrated? It cannot be flown.
Forum: Tech Log
15th Apr 2014, 10:20
Replies: 99
Views: 17,744
Posted By vilas

mustafagander I have produced below an extract...

mustafagander
I have produced below an extract from Airbus magazine on VMC tests conducted for the A380. It does not give the impression that VMCA is below Vs. I am not saying the two have direct...
Forum: Tech Log
12th Apr 2014, 02:38
Replies: 99
Views: 17,744
Posted By vilas

LNIDA The Boeing 737 Technical Site...

LNIDA
The Boeing 737 Technical Site (http://www.b737.org.uk/flightcontrols.htm#Short-field_Performance_Enhancement_Program)
You can read it yourself.
Forum: Tech Log
11th Apr 2014, 12:55
Replies: 99
Views: 17,744
Posted By vilas

Mustafa That is what I am saying if the Vmca is...

Mustafa
That is what I am saying if the Vmca is lower than Vs then it cannot be a demonstrated speed but theoretically derived off Corse you cannot fly at that speed.
Forum: Tech Log
11th Apr 2014, 11:18
Replies: 99
Views: 17,744
Posted By vilas

mustafagander If what you stated is correct...

mustafagander
If what you stated is correct that means aircraft will stall at 205 KTS but with critical engine failed and full power on others it will not stall even at 117KTS. There is no question...
Forum: Tech Log
9th Apr 2014, 12:33
Replies: 99
Views: 17,744
Posted By vilas

I would rather say since VLs is not affected ...

I would rather say since VLs is not affected Vs1g should also be not affected by A320 sharklet.
VLS = 1.23 Vs1g g
* The 1.23 factor is applicable to the fly-by-wire aircraft
Forum: Tech Log
9th Apr 2014, 11:54
Replies: 99
Views: 17,744
Posted By vilas

mustafagander I am not an authority on...

mustafagander
I am not an authority on performance but I think you need to examine your statement. If aircraft can be controlled with precision below Vs stall wouldn't be such a bugbear. Below is...
Forum: Tech Log
9th Apr 2014, 02:03
Replies: 99
Views: 17,744
Posted By vilas

rsiano Winglets are not fads. On an...

rsiano
Winglets are not fads. On an aerodynamically efficient wing design winglet do not contribute much. Development of 787 wing design may have taken that into consideration. But all other...
Forum: Tech Log
9th Apr 2014, 01:49
Replies: 99
Views: 17,744
Posted By vilas

John Actually from Airbus document on sharklets...

John
Actually from Airbus document on sharklets the only speed affected by them is Vmcg by 1KT on CFM. There are some other limitations but not on speed. Everything else remains same. I was trying...
Forum: Tech Log
8th Apr 2014, 16:03
Replies: 99
Views: 17,744
Posted By vilas

A320 Winglets do not affect Vmca which means it...

A320 Winglets do not affect Vmca which means it doesn't affect Vs or Vs1g. So it shouldn't affect Vls or Vapp.
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