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Search: Posts Made By: XPMorten
Showing results 1 to 35 of 312
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Forum: Rumours & News
14th Jun 2020, 08:19
Replies: 214
Views: 222,166
Posted By XPMorten

https://www.youtube.com/watch?v=gV1Qi45dm5w

https://www.youtube.com/watch?v=gV1Qi45dm5w
Forum: Middle East
20th Feb 2020, 12:33
Replies: 408
Views: 511,593
Posted By XPMorten

FDR data playback ...

FDR data playback

https://www.youtube.com/watch?v=i2lHu-o9Wjc
Forum: Rumours & News
10th Feb 2020, 15:36
Replies: 264
Views: 363,095
Posted By XPMorten

..and 50' added to TDZ... ...

..and 50' added to TDZ...

https://cimg6.ibsrv.net/gimg/pprune.org-vbulletin/771x372/hight_8be2bda1aa4cd240751cdfcb6478bb3c50833cf9.jpg
Forum: Rumours & News
9th Feb 2020, 08:16
Replies: 264
Views: 363,095
Posted By XPMorten

FR24 speeds are usually given as ground speed...

FR24 speeds are usually given as ground speed from what I know. So the instrument should have been labeled GS. Altitude is calibrated altitude. Like I said, it is what it is...
Forum: Rumours & News
9th Feb 2020, 07:16
Replies: 264
Views: 363,095
Posted By XPMorten

According to ADS-B data playback, they looked...

According to ADS-B data playback, they looked pretty much on glideslope until short final.
(But as usual ADS-B data are not always reliable)

https://www.youtube.com/watch?v=_aXLUwwZ6gA
Forum: Australia, New Zealand & the Pacific
26th Jan 2020, 13:38
Replies: 185
Views: 92,865
Posted By XPMorten

FDR data replay of the Ethiopian flight ...

FDR data replay of the Ethiopian flight

https://www.youtube.com/watch?v=ZIUM0q8Fnsk

https://www.youtube.com/watch?v=FUvsXxT62HE
Forum: Tech Log
24th Dec 2013, 14:06
Replies: 16
Views: 5,023
Posted By XPMorten

He probably means the location of the empty CG...

He probably means the location of the empty CG has been adjusted.
Forum: Tech Log
12th Sep 2012, 19:33
Replies: 18
Views: 6,578
Posted By XPMorten

Fokker 100..

Fokker 100..
Forum: Tech Log
19th Jul 2012, 20:24
Replies: 8
Views: 4,719
Posted By XPMorten

Rated thrust is usually given as max takeoff...

Rated thrust is usually given as max takeoff thrust at ISA, sealevel, 15C etc
(whatever N1 that is)
Forum: Tech Log
19th May 2012, 13:19
Replies: 95
Views: 32,150
Posted By XPMorten

Cl does decrease, but total lift force is...

Cl does decrease, but total lift force is constant regardless of airspeed (assuming level flight)
This means that to maintain lift at higher airspeeds (lower aoa and Cl), more air mass gets...
Forum: Tech Log
19th May 2012, 11:36
Replies: 95
Views: 32,150
Posted By XPMorten

OG, Pilot's Handbook of Aeronautical...

OG,



Pilot's Handbook of Aeronautical Knowledge Chapter 3 - American Flyers (http://www.americanflyers.net/aviationlibrary/pilots_handbook/chapter_3.htm)

Even though the horizontal...
Forum: Tech Log
19th May 2012, 08:59
Replies: 95
Views: 32,150
Posted By XPMorten

Maybe also mention that on most low tail...

Maybe also mention that on most low tail aircraft, there will be downwash from the wing
hitting the stabilizer creating a downforce. The higher airspeed, the stronger the downwash
and more...
Forum: Rumours & News
10th Apr 2012, 19:26
Replies: 456
Views: 211,146
Posted By XPMorten

Same pilot? Aeroflot--snow and ice on a wing...

Same pilot?

Aeroflot--snow and ice on a wing and a prayer - YouTube
Forum: Tech Log
15th Feb 2012, 20:43
Replies: 23
Views: 7,442
Posted By XPMorten

Airliners have phase out on the rudder. Meaning...

Airliners have phase out on the rudder. Meaning less max deflection at higher airspeeds. Pedal travel also reduces and pedal force somewhat
on older models.

M
Forum: Tech Log
13th Feb 2011, 17:55
Replies: 4
Views: 10,730
Posted By XPMorten

The A321 has a different flap and camber then the...

The A321 has a different flap and camber then the A320/319/18.
Forum: Tech Log
2nd Jan 2011, 15:48
Replies: 48
Views: 14,249
Posted By XPMorten

An acft with flap usually has more drag than one...

An acft with flap usually has more drag than one without. This again
means you need more thrust (assymetric) giving more acft assymetry, which again means even more drag...which again..

xpm
Forum: Tech Log
25th Dec 2010, 08:23
Replies: 19
Views: 10,787
Posted By XPMorten

From a 737 manual ...

From a 737 manual

http://www.xplanefreeware.net/morten/DOCS/Braking.png
Forum: Tech Log
14th Oct 2010, 17:00
Replies: 28
Views: 6,058
Posted By XPMorten

You are right offcourse, my mistake, 1/2*1/2*1/2...

You are right offcourse, my mistake, 1/2*1/2*1/2 = 1/8

However, wouldn't that mean austins reasoning is even more true?
The shrunk smaller acft will have a higher "density" than the larger one......
Forum: Tech Log
14th Oct 2010, 15:15
Replies: 28
Views: 6,058
Posted By XPMorten

@Mad B734, L 36,5m, OEW 33,2T B773,...

@Mad



B734, L 36,5m, OEW 33,2T
B773, L 73,9m, OEW 167,8T

So B734 is half the length of the B773.
So 734 weight should be 1/6 th right?; 167,8 / 6 = 28T
Forum: Tech Log
12th Oct 2010, 13:40
Replies: 28
Views: 6,058
Posted By XPMorten

Some mind food on Light Jet acft design..

Some mind food on Light Jet acft design..
Forum: Tech Log
22nd Sep 2010, 12:10
Replies: 12
Views: 13,613
Posted By XPMorten

Nope, flap 5 in a 733 is 12,5 deg.

Nope, flap 5 in a 733 is 12,5 deg.
Forum: Tech Log
21st Sep 2010, 20:24
Replies: 12
Views: 13,613
Posted By XPMorten

They are for commonality and typerating between...

They are for commonality and typerating between types, like B733/4/5.
Airbus took it one step further, flap 1,2,3,4...
Forum: Tech Log
20th Sep 2010, 13:59
Replies: 20
Views: 5,546
Posted By XPMorten

Anyone know of any NTSB or other reports...

Anyone know of any NTSB or other reports containing FDR data with a stall?

XPM
Forum: Tech Log
7th Aug 2010, 05:53
Replies: 16
Views: 3,253
Posted By XPMorten

China opens a new coal power-plant each week. ...

China opens a new coal power-plant each week. One of those emits
about the same amount as the entire private population in a small
european country including their air travel...

XPM
Forum: Tech Log
6th Aug 2010, 17:44
Replies: 16
Views: 3,253
Posted By XPMorten

No, dis-advantage there as well. Due to huge...

No, dis-advantage there as well. Due to huge drag, airships travel at
low speeds compared to airliners. So Airships would only be good for short flights and
most people would then prefere a...
Forum: Tech Log
6th Aug 2010, 09:50
Replies: 16
Views: 3,253
Posted By XPMorten

Then you get a volume problem. The problem is...

Then you get a volume problem. The problem is that while hydrogen supplies three times the energy per pound of gasoline it has only one tenth the density when the hydrogen is in a liquid form and...
Forum: Tech Log
5th Aug 2010, 21:26
Replies: 16
Views: 3,253
Posted By XPMorten

If I recall correct, about 3% of world total CO2...

If I recall correct, about 3% of world total CO2 emissions come from air travel.
Forum: Tech Log
5th Jun 2010, 08:07
Replies: 27
Views: 26,765
Posted By XPMorten

According to Airport Planning Data...

According to Airport Planning Data (http://www.xplanefreeware.net/morten/DOCS/7474sec2.pdf), these are the Operating Empty Weights;

B744
CF 394.088 lbs
PW 394.660 lbs
RR 396.284 lbs

B772
GE...
Forum: Tech Log
4th Jun 2010, 18:34
Replies: 27
Views: 26,765
Posted By XPMorten

According to the FAA certificates, the RB211-524...

According to the FAA certificates, the RB211-524 is significantly HEAVIER then the PW40XX...

PW40XX...
Forum: Tech Log
15th May 2010, 08:15
Replies: 27
Views: 18,561
Posted By XPMorten

On a sidenote, Boeing actually has to redesign...

On a sidenote, Boeing actually has to redesign the original 747 gear doors on
the new 747-8. Tuned out they cause buffeting on the new wing design when in
flap 30 config due to less flap slots...
Forum: Tech Log
6th May 2010, 12:39
Replies: 19
Views: 9,500
Posted By XPMorten

I think the main reason for only one being...

I think the main reason for only one being allowed simply
is because the extra certification process for 2 missing costs alot of $$
and the chances for 2 being gone at the same time is remote.
...
Forum: Rumours & News
18th Apr 2010, 12:39
Replies: 3,110
Views: 1,588,262
Posted By XPMorten

What is Icelandair up to?

Correction, appears the flights are with Pax.
ETA (CET): 17.35 (1 acf), 18.35 (2 acf) og 19.35 (1 acf)

Also, SAS are considering 4 flights from the US east coast
to Trondheim today.

M
Forum: Rumours & News
18th Apr 2010, 12:13
Replies: 3,110
Views: 1,588,262
Posted By XPMorten

Icelandair are ferrying 4 757's from Reykjavik to...

Icelandair are ferrying 4 757's from Reykjavik to Trondheim this afternoon.

M
Forum: Rumours & News
18th Apr 2010, 10:54
Replies: 3,110
Views: 1,588,262
Posted By XPMorten

How long will YOUR airline survive?

If this lasts, and history of this volcano indicates it will, we will see
the first airlines go under in a few days. In a few months, most
european airlines will be owned by their governments.
...
Forum: Rumours & News
17th Apr 2010, 16:57
Replies: 3,110
Views: 1,588,262
Posted By XPMorten

Latest forecast animation from Norwegian...

Latest forecast animation from Norwegian Institute of Air Research.

Forecast Animation AVI (ftp://ftp.nilu.no/pub/NILU/kjetil/animation_iceland_17042010_10UTC.avi)

XPM
Showing results 1 to 35 of 312
 
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