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22nd Mar 2019, 09:40
Replies: 2,520
Views: 6,328,810
Posted By Volume

There needs to be an FMEA which understands the...

There needs to be an FMEA which understands the Pilot as being part of the system !
There is extensive FMEA/SSA work done for development and certification of aircraft, but it focusses on the...
21st Mar 2019, 10:21
Replies: 2,520
Views: 6,328,810
Posted By Volume

Once aircraft were designed to meet the...

Once aircraft were designed to meet the certification requirements, now authorities struggle to keep their rules current with all the new inventions of industry incompatible with existing...
14th Mar 2019, 23:29
Replies: 2,520
Views: 6,328,810
Posted By Volume

A lot of "progress" happened since the 172......

A lot of "progress" happened since the 172... Modern Pilots rely a lot on Autotrim, all Airbus FBW aircraft can be flown completely ignoring the trim. Maybe this even is a good idea, as it makes the...
13th Mar 2019, 20:37
Replies: 744
Views: 1,482,425
Posted By Volume

Not from my jumpseat experience. Maybe 30% of the...

Not from my jumpseat experience. Maybe 30% of the pilots do actually use them.
Having some poor weather ahead with a lot of red on the radar however, I would expect most of them to strap in properly.
26th Feb 2019, 13:51
Replies: 744
Views: 1,482,425
Posted By Volume

What happens to a satcom connection if you do not...

What happens to a satcom connection if you do not fly straight & level...
Such systems would produce zetabytes of data every day documenting fine flights, and fail exactly when it is needed.

...
26th Feb 2019, 06:34
Replies: 744
Views: 1,482,425
Posted By Volume

Except for some russian models, most aircraft...

Except for some russian models, most aircraft have single jacks with dual (concentric) spindles and dual drive.
Some have dual nuts in which the spindle (or balls) do run, but even those can wear at...
6th Feb 2019, 08:36
Replies: 44
Views: 47,079
Posted By Volume

For the next generation of rules and aircraft it...

For the next generation of rules and aircraft it may be wort rethinking the auto-rudder-trim vs. dead foot - dead engine philosophy...
Nothing is as clear to understand as tactile indications....
4th Feb 2019, 07:01
Replies: 28
Views: 21,156
Posted By Volume

Will make sure the market is too small for both,...

Will make sure the market is too small for both, so both will fail in the end... Dja vue...


Some russian military jets had quite advanced variable engine intake technology...


The Russian...
31st Jan 2019, 06:53
Replies: 71
Views: 45,332
Posted By Volume

A310 composite vertical tails have been around...

A310 composite vertical tails have been around for some 34 years...
However, structural design of A380 and A350 vertical tails is completely different, so there are lessons learned as well.
...
31st Jan 2019, 06:37
Replies: 18
Views: 13,350
Posted By Volume

Yes, they do. They also indicate the airflow ;)

Yes, they do.
They also indicate the airflow ;)
29th Jan 2019, 07:03
Replies: 71
Views: 45,332
Posted By Volume

For example at 60 ft altitude, on the apron of...

For example at 60 ft altitude, on the apron of DXB airport... This is when your composite structure is above 60C just when you perform a takreoff at MTOW.


Compare a composite glider with a...
28th Jan 2019, 10:53
Replies: 30
Views: 21,403
Posted By Volume

Dnt overestimate those peoples ability to...

Dnt overestimate those peoples ability to diferetiate... They are just anti-anything-different, no matter whether faith, origin, color of skin, sexual orientation. Of course it is easier to be...
28th Jan 2019, 06:57
Replies: 30
Views: 21,403
Posted By Volume

As it falls under the category of "historic...

As it falls under the category of "historic aircraft" (at that time "Annex II"), it would have been german LBA, not EASA to deal with it. Just like D-AQUI, which is not under EASA responsibility....
28th Jan 2019, 06:50
Replies: 14
Views: 8,957
Posted By Volume

Those Turkish are fairly bold ! Never heard of...

Those Turkish are fairly bold !
Never heard of tornado shelters? They happily walk the apron just a hundered meters away from a tornado or stand behind a big glass window and take videos while steel...
28th Jan 2019, 06:43
Replies: 71
Views: 45,332
Posted By Volume

Whih only helps, if you are able to sell all...

Whih only helps, if you are able to sell all those seats. If you fill an A380, it is a very economic machine. Unfortunately you do only reliably fill it on very limited routes.
Now with all those...
21st Jan 2019, 14:53
Replies: 71
Views: 45,332
Posted By Volume

What I was comparing were the 777X orders Boeing...

What I was comparing were the 777X orders Boeing received during the last 3 years (20 Orders in Total in 2016, 2017, 2018), and the 777 "classic" orders (127 Orders in Total in 2016, 2017, 2018). So...
21st Jan 2019, 07:07
Replies: 71
Views: 45,332
Posted By Volume

maybe a bit OT... Fokker 50 is the...

maybe a bit OT...


Fokker 50 is the marketing designation of the F27 Mark 050

And I find it quite surprising, that all authorities have bought into the 777X being a derivative of the 777. On...
15th Jan 2019, 06:52
Replies: 2,098
Views: 1,042,227
Posted By Volume

ICAO Annex 13 might be a good reason... The next...

ICAO Annex 13 might be a good reason... The next intermediate report should at least contain the main aspects of the CVR recordings, if not a transcript of the most important conversation.
It is not...
11th Jan 2019, 16:24
Replies: 13
Views: 1,826
Posted By Volume

Unfortunately both supersonics are rotting away...

Unfortunately both supersonics are rotting away quickly...
If you look at the sorry state of some 10-15 years older aircraft in that museum, I am afraid both airframes will be lost within 20 years....
11th Jan 2019, 08:16
Replies: 66
Views: 18,684
Posted By Volume

I tend to disagree, they are not perfectly good...

I tend to disagree, they are not perfectly good they are perfectly cheap. No frills, no luxury, no extras but a basic means of transportation at a very low rate. Perfectly adequate, but far from...
7th Jan 2019, 12:58
Replies: 42
Views: 16,887
Posted By Volume

From 1938 actually.... ...

From 1938 actually....
https://cimg1.ibsrv.net/gimg/pprune.org-vbulletin/882x648/d30waku04_a6a47f4ec69337dd1f756cb31f82a44e6fb24db4.jpg

And although the engine is the biggest, it is not the most...
7th Jan 2019, 12:49
Replies: 66
Views: 18,684
Posted By Volume

I wonder what the discussion would be here, if...

I wonder what the discussion would be here, if the 737 would have been named "worst short haul aircraft" by passengers (flying it with ryanair)...
The whole topic is pretty nonsensense.
...
6th Dec 2018, 02:49
Replies: 2,098
Views: 1,042,227
Posted By Volume

Because the elevator alone seems to be not...

Because the elevator alone seems to be not powerful enough, no matter whether the pilot or an actuator pushes it. Obviously nose down trim is required to create enough nose down pitching moment....
5th Dec 2018, 02:53
Replies: 2,098
Views: 1,042,227
Posted By Volume

It must never occur within the flight envelope. ...

It must never occur within the flight envelope.
If you get close to stall, the neutral point normally shifts aft a lot, but under certain circumstances (e.g. highly swept wing) it may also move...
1st Dec 2018, 04:38
Replies: 82
Views: 35,611
Posted By Volume

The Geram joke about this device called...

The Geram joke about this device called "Gleichrichter", is "gleich riecht er", meaning soon it will start to smell (burned...)
These devices are from the stone age of solid state technology and not...
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