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Search: Posts Made By: olandese_volante
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21st Sep 2019, 19:07
Replies: 106
Views: 30,518
Posted By olandese_volante

Most likely alternating between the two, at 50...

Most likely alternating between the two, at 50 cycles per second.
27th May 2019, 08:58
Replies: 12
Views: 7,500
Posted By olandese_volante

Reliable sources tell us the 'merkins have been...

Reliable sources tell us the 'merkins have been at it for quite a while:
* Backdoored Cisco routers
* Belgacom hack
* and so on and so forth...
17th May 2019, 02:08
Replies: 8
Views: 6,637
Posted By olandese_volante

Lighting artifact. If you look at the third /...

Lighting artifact.
If you look at the third / last photograph you see what looks like a large reddish stain on the tarmac. Likely not related to the incident, but its diffuse reflection on the white...
13th Jun 2017, 20:10
Replies: 52
Views: 25,194
Posted By olandese_volante

You mean, they weren't knee walking drunk and...

You mean, they weren't knee walking drunk and obnoxiously loud like a proper British passenger oughta be?
13th Jun 2017, 19:54
Replies: 52
Views: 25,194
Posted By olandese_volante

The hijackers of Ethiopian 961 hardly knew what...

The hijackers of Ethiopian 961 hardly knew what they were doing. They were untrained and out of their heads. The fact that they managed to hijack the plane is only due to the fact that a hijack was...
13th Jun 2017, 19:25
Replies: 52
Views: 25,194
Posted By olandese_volante

No, they did not. On AA11 (for example) the...

No, they did not.
On AA11 (for example) the five hijackers booked their tickets separately and their seats were on three different rows in business and first class. Only two of the five were...
13th Jun 2017, 15:58
Replies: 52
Views: 25,194
Posted By olandese_volante

As far as "bomb jokes at checkpoints" go, the...

As far as "bomb jokes at checkpoints" go, the reason you'll get pulled out and held for "special treatment" is not that you might be a terrorist. It's because the security personnel perceives bomb...
11th Jun 2017, 23:06
Replies: 52
Views: 25,194
Posted By olandese_volante

This is what you get when deciding whether or not...

This is what you get when deciding whether or not some random guy might be a "terrorist" is left to the average Daily Mail reader.
25th Dec 2016, 07:16
Replies: 484
Views: 592,123
Posted By olandese_volante

If Da'esh PR read PPRUNE, they'll be busy editing...

If Da'esh PR read PPRUNE, they'll be busy editing the claim video right this moment ;)

Grauniad has this:

and I wouldn't be surprised.
The '154 apparently has a reputation of being a reliable...
26th Oct 2016, 11:19
Replies: 6
Views: 5,954
Posted By olandese_volante

@ PZ This might be what you're looking for: ...

@ PZ
This might be what you're looking for:
https://youtu.be/pty3a-VQojw

EDIT: not quite, but close
18th Oct 2016, 11:11
Replies: 72
Views: 39,013
Posted By olandese_volante

Samsung is now setting up booths at airports...

Samsung is now setting up booths at airports (https://www.theguardian.com/technology/2016/oct/18/samsung-airport-booths-passengers-galaxy-note-7-phones) where travellers "stuck" with the Note 7 can...
5th Oct 2016, 23:08
Replies: 121
Views: 454,716
Posted By olandese_volante

They can't. For the simple reason that admitting...

They can't. For the simple reason that admitting the c***-up would implicate the presence in the conflict of Russian equipment (the rebels don't have Buks of their own) and personnel as well, which...
5th Oct 2016, 22:31
Replies: 72
Views: 39,013
Posted By olandese_volante

Forcefully bending or crushing the device will...

Forcefully bending or crushing the device will most likely cause enough damage to the battery to persuade it to short out and catch fire. No complex manipulation or computer skills required....
3rd Oct 2016, 20:14
Replies: 43
Views: 21,598
Posted By olandese_volante

@AndoniP, Halon has been banned globally...

@AndoniP,

Halon has been banned globally because it makes holes in the ozone layer, while FM200 (which is also an haloalkane and works in the same way as Halon to extinguish fires) does not....
3rd Oct 2016, 14:52
Replies: 43
Views: 21,598
Posted By olandese_volante

At high temperatures, halons decompose to release...

At high temperatures, halons decompose to release halogen atoms that combine readily with active hydrogen atoms, quenching flame propagation reactions even when adequate fuel, oxygen, and heat...
25th Sep 2016, 01:42
Replies: 72
Views: 39,013
Posted By olandese_volante

Lithium being an alkali metal can react with...

Lithium being an alkali metal can react with water to form hydrogen gas (which is explosive in air) as follows:

2 Li + 2 H2O -> 2 Li+ + 2 OH- + H2

However, apart from Li being the least...
21st Sep 2016, 23:38
Replies: 76
Views: 46,865
Posted By olandese_volante

Batteries, unlikely. But hydrazine is known to be...

Batteries, unlikely. But hydrazine is known to be used as fuel for compact, non-air-breathing turbine APUs.
Forum: Freight Dogs
20th Aug 2016, 20:54
Replies: 356
Views: 167,257
Posted By olandese_volante

1) 30% efficiency for solar cells in practical...

1) 30% efficiency for solar cells in practical applications is a bit of a stretch, I'd settle for half that.
2) Electric motors are lighter than diesels of equal power output, but at least some...
Forum: Freight Dogs
20th Aug 2016, 18:27
Replies: 356
Views: 167,257
Posted By olandese_volante

Whether we like it or not, it is likely that...

Whether we like it or not, it is likely that someday in the not-too-far future we're going to have to cut back on the Jet A-1.
Airships, with their large surface area, are a good candidate for...
22nd Aug 2015, 23:38
Replies: 22
Views: 15,071
Posted By olandese_volante

Almost certainly the CL415. Extremely sturdy...

Almost certainly the CL415.

Extremely sturdy and very docile planes they are. They can manoeuver at 70-75kts without stalling.

A few of their piston-engined predecessors (the 215) used to be...
31st Jul 2015, 18:22
Replies: 357
Views: 237,775
Posted By olandese_volante

Bushes rather than trees, and not that intact...

Bushes rather than trees, and not that intact really, if you look at the video about 1:30 you can clearly see a trail of something having ploughed through, right on the extended runway centerline,...
20th Jul 2015, 11:05
Replies: 20
Views: 10,994
Posted By olandese_volante

If the engine comes off clean, maybe yes. But...

If the engine comes off clean, maybe yes. But usually they don't, and cause severe damage to the airframe in the process, see El Al 1862 as a textbook example.
17th Jul 2015, 00:48
Replies: 1,644
Views: 2,237,506
Posted By olandese_volante

New video footage popped up

Apparently, as yet unpublished video footage appears to show the immediate aftermath of the downing of MH17, with separatist militia looking for the Antonov they thought they shot down.

Australian...
3rd Jul 2015, 00:00
Replies: 522
Views: 445,040
Posted By olandese_volante

Apparently for smoke training they use the same...

Apparently for smoke training they use the same type of smoke generators as those used in entertainment venues and stage effects.
These use a mixture of water and glycol or glycerine, colloquially...
19th Jun 2015, 22:43
Replies: 61
Views: 28,434
Posted By olandese_volante

Technical question: Are the wheel brakes...

Technical question:

Are the wheel brakes applied before or during gear up, or are the wheels just allowed to spin down?

Being in intimate company with four or six rapidly revolving wheels would...
13th May 2015, 23:01
Replies: 337
Views: 226,493
Posted By olandese_volante

Re: Loop

I concur that it's often difficult to exactly understand what one's looking at in this type of shots as one doesn't have any reference (aka "where's the horizon") but I believe it actually was a...
13th Mar 2014, 00:06
Replies: 11,831
Views: 24,290,599
Posted By olandese_volante

The Grauniad had this to say on today's news blog:

The Grauniad had this to say on today's news blog:
22nd Jul 2013, 14:09
Replies: 1,150
Views: 729,309
Posted By olandese_volante

Certain materials are said to be...

Certain materials are said to be self-extinguishing when they will not sustain combustion by themselves, once an external source of flame has been removed.

An example would be a material commonly...
19th Jul 2013, 01:28
Replies: 1,150
Views: 729,309
Posted By olandese_volante

md80fanatic Large ground planes are a...

md80fanatic

Large ground planes are a requirement with transmitters operating on much lower frequencies. That's why cellphones don't use the 27MHz band ;)

The 121.5MHz transmitter in the ELT...
16th Jul 2013, 00:30
Replies: 1,150
Views: 729,309
Posted By olandese_volante

Apart from the fact that most if not all pax will...

Apart from the fact that most if not all pax will be carrying some type of Lithium Ion battery either in hand luggage or stowed luggage, as other posters have remarked;

There are several different...
Forum: Tech Log
9th Nov 2010, 00:49
Replies: 26
Views: 11,214
Posted By olandese_volante

Except if the flight attendant happens to be a...

Except if the flight attendant happens to be a maths or computer science graduate, or a regular visitor of xkcd (http://www.xkcd.com). :)
8th Jun 2010, 21:42
Replies: 82
Views: 37,068
Posted By olandese_volante

The first time though, was during the...

The first time though, was during the (uneventful) climb-out, before engines 3 & 4 fell off.



Neither were the crew, probably, since they reported "engine on fire" while said engine was already...
6th Jun 2010, 23:06
Replies: 82
Views: 37,068
Posted By olandese_volante

Of course, the a/c was reported to be "dumping...

Of course, the a/c was reported to be "dumping fuel" on its way back to AMS :hmm:

Toestel Air Maroc met brandende motor terug naar Schiphol...
20th Oct 2009, 00:17
Replies: 37
Views: 19,837
Posted By olandese_volante

Not exactly. In comms transceivers, the...

Not exactly.
In comms transceivers, the receiver is disabled when the transmitter is active. This is to prevent the delicate receiver front-end getting fried by the output of the transmitter...
19th Oct 2009, 18:29
Replies: 37
Views: 19,837
Posted By olandese_volante

The military don't move until civilian ATC...

The military don't move until civilian ATC established there might be something wrong, and tell them. I gather the fighters were dispatched promptly once the airforce command was informed.

Keep in...
Showing results 1 to 35 of 45
 


 
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