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Search: Posts Made By: WideScreen
Showing results 1 to 35 of 418
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Forum: Military Aviation
7th May 2024, 10:28
Replies: 18
Views: 4,150
Posted By WideScreen

The 91 m/s is CAS, use his one: ...

The 91 m/s is CAS, use his one:

https://aerotoolbox.com/airspeed-conversions/

To convert to TAS (810 m/s).

Lower than this speed and it'll stall. And at the same time, the object is already...
Forum: Military Aviation
7th May 2024, 04:20
Replies: 18
Views: 4,150
Posted By WideScreen

Using this for CAS/TAS conversions: ...

Using this for CAS/TAS conversions:

https://aerotoolbox.com/airspeed-conversions/

And

L = 0.5 * CL * Rho * v^2 * S
Or
S = L / (0.5 * CL * Rho * v^2)
Or
Forum: Military Aviation
5th May 2024, 12:44
Replies: 18
Views: 4,150
Posted By WideScreen

Not wanting to burst a nice idea, though, what...

Not wanting to burst a nice idea, though, what about the coffin corner at the 115K ft altitude when having super simple wings, technically only suitable for GA speeds. This might reduce the glide...
Forum: Military Aviation
8th Mar 2024, 07:13
Replies: 10,641
Views: 4,754,636
Posted By WideScreen

It's not so much about the size of the rocket,...

It's not so much about the size of the rocket, though the whole of the auxiliary equipment needed, including another phased array radar unit requiring a 360-degree view and the constellation...
Forum: Military Aviation
16th Feb 2024, 15:23
Replies: 10,641
Views: 4,754,636
Posted By WideScreen

Yeah, the details have to evolve, though the...

Yeah, the details have to evolve, though the (Western ??) expert impression isn't that rosy.

Let alone, how to install a Patriot-sized weapon system on a carrier, that thingy does require a 1, max...
Forum: Military Aviation
16th Feb 2024, 08:38
Replies: 10,641
Views: 4,754,636
Posted By WideScreen

Not so much, Western (??) experts claim the...

Not so much, Western (??) experts claim the unstoppable aspect and it seems to be confirmed in Ukraine practice:

Russia used an advanced hypersonic missile for the first time in recent strike,...
Forum: Military Aviation
15th Feb 2024, 07:29
Replies: 369
Views: 86,577
Posted By WideScreen

Beyond the "war on 2% and what is included", it's...

Beyond the "war on 2% and what is included", it's more important to realize "for what" the military spendings are intended. Where the US strives for supremacy around the world, the other Nato...
Forum: Military Aviation
15th Feb 2024, 07:21
Replies: 10,641
Views: 4,754,636
Posted By WideScreen

A bit "off-topic", though this dingy does not...

A bit "off-topic", though this dingy does not sound that good for the US its carrier-based supremacy. Fire a couple of them to the mothership and it goes down to the bottom like Russian warships,...
Forum: Accidents and Close Calls
31st May 2023, 18:54
Replies: 81
Views: 17,927
Posted By WideScreen

What does it say?

What does it say?
Forum: Accidents and Close Calls
31st May 2023, 18:51
Replies: 81
Views: 17,927
Posted By WideScreen

When ditching, the airplane would not be my...

When ditching, the airplane would not be my worry. My worries would be how to survive the ditch (initially and later on), and I'd like to use every part of the airplane as a crumble zone ......
Forum: Accidents and Close Calls
31st May 2023, 18:47
Replies: 81
Views: 17,927
Posted By WideScreen

Yep, something like that, a vertical splash, with...

Yep, something like that, a vertical splash, with minimal horizontal speed, though this twin otter is reported to be without floats, only regular wheel stuff.

With sufficient vertical speed, the...
Forum: Accidents and Close Calls
31st May 2023, 18:28
Replies: 81
Views: 17,927
Posted By WideScreen

Please elaborate. Yes, unless your...

Please elaborate.


Yes, unless your approach angle is flat, IE, the no-flaps with power, fly the C172 against the deck situation.
Forum: Accidents and Close Calls
31st May 2023, 14:24
Replies: 81
Views: 17,927
Posted By WideScreen

For big commercial stuff, not advisable, though...

For big commercial stuff, not advisable, though for small C172 alike, in principle yes (for the PPL, there is a zero -assumed malfunctioning- flaps training item to fly the C172 at a very shallow...
Forum: Accidents and Close Calls
31st May 2023, 14:14
Replies: 81
Views: 17,927
Posted By WideScreen

While a very interesting explanation, there are...

While a very interesting explanation, there are reports, the floats were removed, so this twin otter was no longer a float plane, and nothing more than a big C172, for which the instruction is to...
Forum: Accidents and Close Calls
31st May 2023, 13:55
Replies: 4
Views: 2,248
Posted By WideScreen

Losing 70 ft/s on altitude looks a lot to me for...

Losing 70 ft/s on altitude looks a lot to me for a glider. The 126 Kts speed might be matching with that. Indeed, a medical issue could certainly be a reason. The destruction of the glider could...
Forum: Rumours & News
31st May 2023, 13:37
Replies: 48
Views: 18,206
Posted By WideScreen

Maybe, with the same quality aspects as with the...

Maybe, with the same quality aspects as with the infrastructure items, built by China quality contractors, based on politically motivated China government (backed) loans.

Combine the excellent...
Forum: Rumours & News
30th May 2023, 11:44
Replies: 48
Views: 18,206
Posted By WideScreen

Actually, my initial text did have that in too,...

Actually, my initial text did have that in too, though I removed it because it's a bit of a mixed bag. However, I absolutely agree with you, these third-world countries still have little...
Forum: Accidents and Close Calls
30th May 2023, 03:05
Replies: 81
Views: 17,927
Posted By WideScreen

Interesting, can you elaborate?

Interesting, can you elaborate?
Forum: Rumours & News
30th May 2023, 03:02
Replies: 48
Views: 18,206
Posted By WideScreen

Yep, those areas where the politics did not...

Yep, those areas where the politics did not interfere with the tech, manage to flourish in China. Larger companies, adhering to Western engineering and production methods, manage to grow into an...
Forum: Airlines, Airports & Routes
30th May 2023, 02:54
Replies: 802
Views: 258,207
Posted By WideScreen

Nice to see the wings flex down when the A380 is...

Nice to see the wings flex down when the A380 is in the air. Kind of negative gravity or so.

And, where the majority of airlines with an A380 have severe issues fill-up all A380 seats, Global Air...
Forum: Accidents and Close Calls
29th May 2023, 18:19
Replies: 81
Views: 17,927
Posted By WideScreen

Not sure about that, every flight ends with a...

Not sure about that, every flight ends with a stall, just above the landing surface, with or without fuel. Once you get used to it, a dead stick landing isn't that difficult, especially not, when the...
Forum: Accidents and Close Calls
29th May 2023, 18:12
Replies: 81
Views: 17,927
Posted By WideScreen

Yep, the unknowns, as such, writing extensively...

Yep, the unknowns, as such, writing extensively about the factors I included, so, others can feedback with better info, etc.

I don't know about the weather situation, though in this thread, there...
Forum: Rumours & News
29th May 2023, 17:43
Replies: 48
Views: 18,206
Posted By WideScreen

China is completely covered with carpets, under...

China is completely covered with carpets, under which failures are wiped (by the decree of its authoritarian ruler). Including those who dare to make public those failures. See what happened around...
Forum: Accidents and Close Calls
29th May 2023, 06:12
Replies: 81
Views: 17,927
Posted By WideScreen

Thanks for correcting me. Makes the whole event...

Thanks for correcting me. Makes the whole event even more of a mystery.
Forum: Accidents and Close Calls
28th May 2023, 17:15
Replies: 81
Views: 17,927
Posted By WideScreen

Strange, the wiki tells, it flies until 25000 -...

Strange, the wiki tells, it flies until 25000 - 30000 ft and is pressurized. What is your source ?
Forum: Accidents and Close Calls
28th May 2023, 04:42
Replies: 81
Views: 17,927
Posted By WideScreen

Aha, now you want me to use the Crystal Ball? ...

Aha, now you want me to use the Crystal Ball?

I don't know the answers, though it certainly is possible, that the ferry fuel tanks emptied out through the main tanks (/vents).

When all of the...
Forum: Accidents and Close Calls
27th May 2023, 16:27
Replies: 81
Views: 17,927
Posted By WideScreen

Fortunately, there are also people who give...

Fortunately, there are also people who give answers. Answers in a different way than just populism (do I hear Trump, DeSantis, MTG ?), but with the substantial base knowledge, to provide real and...
Forum: Rumours & News
26th May 2023, 17:31
Replies: 1,808
Views: 3,083,433
Posted By WideScreen

I don't know the report, though let me 100%...

I don't know the report, though let me 100% accept your qualification of it.

A major aspect is:

Result = (quality of the solution) * (acceptance of the solution).

I think, IF a report was...
Forum: Accidents and Close Calls
26th May 2023, 16:57
Replies: 81
Views: 17,927
Posted By WideScreen

Feel free to skip. Without calculation, the...

Feel free to skip.

Without calculation, the analysis itself would just be an unfounded opinion, which we see so many of, at PP.

Giving calculations makes clear what the situation is, gives a...
Forum: Accidents and Close Calls
26th May 2023, 16:49
Replies: 81
Views: 17,927
Posted By WideScreen

Don't worry, bladder tanks will make the floating...

Don't worry, bladder tanks will make the floating situation only worse. Not to say, without (nearly) empty rigid ferry tanks the Twin Otter would not be floating. The twin otter sinks to the bottom...
Forum: Accidents and Close Calls
26th May 2023, 08:06
Replies: 81
Views: 17,927
Posted By WideScreen

Some calculations, all figures rounded, and short...

Some calculations, all figures rounded, and short analysis.

Empty weight twin otter: 7000 lbs
Fuel in main tanks: 1500L, equals 3300 lbs buoyancy from empty fuel tanks.
Assuming full rigid cabin...
Forum: Accidents and Close Calls
13th May 2023, 05:32
Replies: 115
Views: 30,303
Posted By WideScreen

Of course, people should stay away from unsafe...

Of course, people should stay away from unsafe situations.

The reality is, this does not happen (always).

The YT video clearly shows what happens when the pedantic start becoming pedantic about...
Forum: Accidents and Close Calls
12th May 2023, 18:00
Replies: 115
Views: 30,303
Posted By WideScreen

A perfect example of why things go haywire is...

A perfect example of why things go haywire is when people start to "teach" that the person in a bad situation should have done better preparation (or just omitted the action).

YQUme3m407c

This...
Forum: Accidents and Close Calls
12th May 2023, 06:38
Replies: 115
Views: 30,303
Posted By WideScreen

While your items are perfectly valid, correct,...

While your items are perfectly valid, correct, and highly recommendable, these simply aren't applicable to this discussion.

When the fire brigade scrambles to a fire, they have at that moment zero...
Forum: Rumours & News
4th May 2023, 12:33
Replies: 1,128
Views: 478,672
Posted By WideScreen

Apologies to offend you, this is not my...

Apologies to offend you, this is not my intention. Let me elaborate.

When an organization does have to fulfill conflicting targets/roles, it will be difficult to do so. This is something the FAA...
Showing results 1 to 35 of 418
 
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