Search found 2553 matches

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by mxaxai
Sat Jun 12, 2021 4:56 pm
Forum: Technical/Operations
Topic: Why do some A/C sit in the desert for so long before being scrapped?
Replies: 3
Views: 783

Re: Why do some A/C sit in the desert for so long before being scrapped?

It isn't just planes stored in the desert that languish like this. There are plenty of abandoned aircraft sitting around at various airports. TG (and others) have a bunch of aircraft sitting in DMK. Some of them were AFAIK damaged by a flood. 2578819 If this photo 0419864 and recent Google maps ima...

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by mxaxai
Sat Jun 12, 2021 1:54 pm
Forum: Military Aviation & Space Flight
Topic: Indonesia contracts 36 Dassault Rafales
Replies: 17
Views: 1358

Re: Indonesia contracts 36 Dassault Rafales

is Indonesia a dependable partner No. of sufficient strategic value. Yes. Indonesia is still a source of Oil and many other natural resources. Any ships from Europe to East Asia must pass through or near Indonesian waters; especially traffic to and from Singapore. Indonesia is the country with the ...

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by mxaxai
Sat Jun 12, 2021 10:48 am
Forum: Military Aviation & Space Flight
Topic: Space junk
Replies: 23
Views: 1789

Re: Space junk

How large/how much mass does something need to be to be counted as a unit of space junk? I presume that a dust cloud consisting in 10,000 particles does not count as 10,000 pieces of space junk. There is no minimum size for space junk. Even tiny paint chippings are counted as debris. Any particles ...

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by mxaxai
Fri Jun 11, 2021 8:24 pm
Forum: Civil Aviation
Topic: European airlines want EU to scrap EU261 compensation rules
Replies: 8
Views: 2419

Re: European airlines want EU to scrap EU261 compensation rules

Quite frankly, the EU customer protection laws are one of the best aspects of the EU. They would be foolish to sacrifice all that just to appease a few struggling airlines. The airlines are, unsurprisingly, doing their utmost to avoid refunds and compensation. Some local courts have been working 24/...

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by mxaxai
Fri Jun 11, 2021 8:10 pm
Forum: Military Aviation & Space Flight
Topic: Indonesia contracts 36 Dassault Rafales
Replies: 17
Views: 1358

Re: Indonesia contracts 36 Dassault Rafales

I think both orders should be added to the long list of "Weapons Indonesia wants but cannot fund". They've been talking about acquiring Rafales for quite some time. Other items on the list: - 8 F-15EX - 2 A400M - 8 V-22 Osprey - 3 A330MRTT - 6 MQ-1 - 15 used T1 Eurofighters - an unknown nu...

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by mxaxai
Fri Jun 11, 2021 3:13 pm
Forum: Military Aviation & Space Flight
Topic: Trinational FCAS Programme News and Discussion Thread
Replies: 112
Views: 35383

Re: Trinational FCAS Programme News and Discussion Thread

Others want a FCAS through pillaging Dassault's IP. Eh, it's not so much that Germany and Spain want Dassault's IP but rather that many systems are being developed around a core of Dassault technologies, which devaluates the research and experience of the other partners. From their POV, only Dassau...

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by mxaxai
Fri Jun 11, 2021 1:13 pm
Forum: Military Aviation & Space Flight
Topic: Buses To Venus
Replies: 1
Views: 271

Re: Buses To Venus

NASA will cooperate with ESA on their EnVision orbiter by providing a high-resolution synthetic aperture radar. https://www.nasa.gov/feature/then-there-were-3-nasa-to-collaborate-on-esa-s-new-venus-mission It's great that Venus is getting some attention. Mars and Venus are both quite similar to Eart...

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by mxaxai
Thu Jun 10, 2021 7:19 pm
Forum: Military Aviation & Space Flight
Topic: Will GE’s XA100 adaptive combat engine transform the F35 ?
Replies: 46
Views: 3366

Re: Will GE’s XA100 adaptive combat engine transform the F35 ?

Didn't the SH versus Tomcat demonstrate that no parameter is more over-rated than top speed? Was the M2.44 top speed of the Tomcat ever tactically useful? What really counts are weapons, electronics, radar, networking, and reliability. True, more thrust would probably be more useful by providing be...

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by mxaxai
Thu Jun 10, 2021 1:49 pm
Forum: Military Aviation & Space Flight
Topic: Will GE’s XA100 adaptive combat engine transform the F35 ?
Replies: 46
Views: 3366

Re: Will GE’s XA100 adaptive combat engine transform the F35 ?

So does the F-5. It's the total installed thrust, not the number of engines that matters. The F-18E has 196 kN, the F-35A has 191 kN (both with afterburners). And despite the draggy canted pylons, the F-18E can (theoretically) achieve M1.8. The F-18E can only reach its top speed clean, with no weap...

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by mxaxai
Thu Jun 10, 2021 8:51 am
Forum: Military Aviation & Space Flight
Topic: Will GE’s XA100 adaptive combat engine transform the F35 ?
Replies: 46
Views: 3366

Re: Will GE’s XA100 adaptive combat engine transform the F35 ?

It's very telling that the Super Hornet requires 2 engines to push around an aircraft that weights almost the same as a single engined F-35C. And the F-35C can carry more weapons and fuel. So does the F-5. It's the total installed thrust, not the number of engines that matters. The F-18E has 196 kN...

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by mxaxai
Thu Jun 10, 2021 8:30 am
Forum: Military Aviation & Space Flight
Topic: New British aircraft carriers - News and Discussion Thread
Replies: 90
Views: 11715

Re: New British aircraft carriers - News and Discussion Thread

To the question of having ski jumps and arresting gear, didn't the Soviet/Russian carriers go down that road, as have adopters of the ships/aircraft concerned (all bigger than a Harrier up to and including Naval SU-27 versions so much more in the F-35 size/weight ballpark). My understanding is that...

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by mxaxai
Wed Jun 09, 2021 9:04 pm
Forum: Civil Aviation
Topic: Airlines vaccinating their personnel/staff
Replies: 7
Views: 1358

Re: Airlines vaccinating their personnel/staff

Note that this is entirely voluntary. Germany has started distributing vaccines to many large companies that have their own medical department, or at least a company physician. Not just Lufthansa. For example, Daimler is hoping to distribute 3000 daily vaccinations to their staff. https://media.daim...

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by mxaxai
Wed Jun 09, 2021 1:08 pm
Forum: Civil Aviation
Topic: Ryanair wins lawsuit over state aid for KLM, TAP
Replies: 10
Views: 2136

Re: Ryanair wins lawsuit over state aid for KLM, TAP

Ryanair has won another lawsuit, this time against the state support for Condor (DE). https://www.reuters.com/business/aerospace-defense/ec-court-upholds-ryanair-challenge-against-german-state-aid-condor-2021-06-09/ However, similar to the cases against KLM and TAP: The Luxembourg-based General Cour...

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by mxaxai
Tue Jun 08, 2021 7:58 pm
Forum: Civil Aviation
Topic: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)
Replies: 455
Views: 58634

Re: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)

The CFM-56, and even more so its core, has proven extremely versatile. It powers the B-1 and B-2, the F-14, F-15 and F-16, as well as numerous small and large civilian airliners. Even the LEAP core today is fundamentally an evolution of the CFM-56 (though significantly different). One reason why GE ...

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by mxaxai
Tue Jun 08, 2021 3:24 pm
Forum: Civil Aviation
Topic: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)
Replies: 455
Views: 58634

Re: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)

With a trijet design, could the tail-mounted engine be a higher-bypass model optimized for efficient/quiet subsonic flight? The wing-mounted engines could then be optimized for added power during takeoff/climb and supersonic cruise. The tail ducting could be designed in a way that diverts airflow a...

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by mxaxai
Tue Jun 08, 2021 10:04 am
Forum: Civil Aviation
Topic: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)
Replies: 455
Views: 58634

Re: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)

The other was that the engines had to be optimised for a specific operating range and obviously it was cruise speed, but that came at a huge cost, because during take off and climb the engines were burning fuel like mad. That affects all aircraft. For each operating altitude and speed, there's some...

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by mxaxai
Tue Jun 08, 2021 9:41 am
Forum: Civil Aviation
Topic: France moves to ban short-haul domestic flights where same journey could be made by train in under 2,5 hours
Replies: 286
Views: 32739

Re: France moves to ban short-haul domestic flights where same journey could be made by train in under 2,5 hours

How does the fuel burn per pax on a 70 seater eg an E170 (or even a 40 seat jet) compare to an A320 / B738 ? CRJ-100 with 50 seats, nearly twice as much as an A321neo (80 - 100% more). Compared to the ceo, 60% more. E-170 with 70 seats, approximately 50% more than the A321neo. Compared to the ceo, ...

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by mxaxai
Mon Jun 07, 2021 10:08 pm
Forum: Military Aviation & Space Flight
Topic: Will GE’s XA100 adaptive combat engine transform the F35 ?
Replies: 46
Views: 3366

Re: Will GE’s XA100 adaptive combat engine transform the F35 ?

:checkmark: Drag increases almost exponentially with speed. You can't overcome poor aerodynamics by just adding more power. While drag may play a role, I'm quite sure that the F-35 top speed is limited by the materials and the temperatures they can tolerate. It has so much thrust available, I'd be ...

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by mxaxai
Mon Jun 07, 2021 2:51 pm
Forum: Civil Aviation
Topic: "Delta's 757s are their biggest liability"
Replies: 100
Views: 20769

Re: "Delta's 757s are their biggest liability"

It wasn't just about market approach, those five years really were the time where microprocessors became a big thing. The 757's first flight was one year after the release of the first IBM PC, for instance. The world was changing fast, and Airbus got a lot of benefit from being five years newer, IM...

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by mxaxai
Sun Jun 06, 2021 12:11 pm
Forum: Military Aviation & Space Flight
Topic: Trinational FCAS Programme News and Discussion Thread
Replies: 112
Views: 35383

Re: Trinational FCAS Programme News and Discussion Thread

Coincidentally Merkel in a joint press conference with Macron last week: Merkel: (...) We have talked about our cooperation in the defense sector. Here I am pleased that we have reached a widespread agreement on the FCAS project for a combat aircraft of the future, also together with Spain, and that...

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by mxaxai
Fri Jun 04, 2021 7:52 pm
Forum: Civil Aviation
Topic: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)
Replies: 455
Views: 58634

Re: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)

Where I think this gets into more value is in the East Coast-Europe and West Coast-Northeast Asia services in which there are multiple frequencies per day and the time differential now drops down from 7-8 hours to 3-4 hours. A benefit on east-west routings it that you can depart and arrive at appro...

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by mxaxai
Fri Jun 04, 2021 7:48 pm
Forum: Civil Aviation
Topic: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)
Replies: 455
Views: 58634

Re: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)

I'm a tad skeptical about the eco projections and in particular about aviation taking what I think seems to be an unfair burden to try to address climate change. Much of that is due to a very small number of people ( less than 1% of the world's population ) who contribute half of aviation's emissio...

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by mxaxai
Fri Jun 04, 2021 6:34 pm
Forum: Civil Aviation
Topic: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)
Replies: 455
Views: 58634

Re: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)

I’m not the most learned at supersonic flights. Have there been studies made at what altitude would the sonic boom be weaker on the ground? Do you actually have to get into space for it not to affect the ground or if you could fly up to 100,000 feet there would be a big change in the boom? Fundamen...

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by mxaxai
Fri Jun 04, 2021 12:14 pm
Forum: Civil Aviation
Topic: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)
Replies: 455
Views: 58634

Re: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)

Regarding noise, does anyone remember if the Concorde had louder noise during take off and landing as compared to other aircraft? Deafeningly loud. With afterburners, Concorde was more than 10dB louder than the 707-320B and nearly 20dB louder than the DC-9. It was even louder than modern supersonic...

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by mxaxai
Fri Jun 04, 2021 10:24 am
Forum: Civil Aviation
Topic: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)
Replies: 455
Views: 58634

Re: United orders supersonic planes from Boom (was: Big United Announcement Coming Up?)

Time wasted on a plane is still time wasted for business travellers. If businesses were this concerned about travel times, they'd do a lot more via video conferencing. Think of all the hours wasted by billions of people commuting to their offices. Or flying halfway across the world just to hold a 2...

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by mxaxai
Thu Jun 03, 2021 10:02 pm
Forum: Military Aviation & Space Flight
Topic: Switzerland Restarting Fighter Competition
Replies: 131
Views: 26061

Re: Switzerland Restarting Fighter Competition

LHAM wrote:
So unless the Swiss government wants yet another referendum delaying things even more they will have to choose between the Eurofighter and the Rafale.

TBH a referendum is still possible even if they choose one of those. All you need is 50,000 signatures.

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by mxaxai
Thu Jun 03, 2021 12:34 pm
Forum: Military Aviation & Space Flight
Topic: SpaceX - Tests, Launches, Developments - 2021
Replies: 352
Views: 39189

Re: SpaceX - Tests, Launches, Developments - 2021

Hours, several of them. You need to fuel first. ... Which would be useless and in violation of international law. Thomas You could keep some rockets fueled and ready to go. The US had B-52s flying circles in case they were needed immediately. International law is cared about only if it's mutually b...

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by mxaxai
Wed Jun 02, 2021 9:57 am
Forum: Military Aviation & Space Flight
Topic: SpaceX - Tests, Launches, Developments - 2021
Replies: 352
Views: 39189

Re: SpaceX - Tests, Launches, Developments - 2021

I can see why the USAF is interested; being able to deliver 100 tons of cargo to anywhere in the world in mere hours is going to greatly appeal to the military in being able to rapidly respond to situations globally. Not hours, minutes. You could deliver a C-5 worth of cargo and troops to any point...

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by mxaxai
Tue Jun 01, 2021 2:56 pm
Forum: Military Aviation & Space Flight
Topic: Switzerland Restarting Fighter Competition
Replies: 131
Views: 26061

Re: Switzerland Restarting Fighter Competition

Swiss parties are threatening to hold another referendum if a US fighter - either F-18 or F-35 - is chosen. SP, Greens and GSoA want to prevent US fighter jets with a popular initiative if necessary An alliance of the SP [social democrats], the Greens and the Group for a Switzerland without an Army ...

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by mxaxai
Tue Jun 01, 2021 1:33 pm
Forum: Military Aviation & Space Flight
Topic: F-15X has no mission!
Replies: 171
Views: 14456

Re: F-15X has no mission!

Note that if they try to field more than the internal bomb Bay would yield, they would light up the the EX radar screen just as nicely. bt If the F-15X is pitted against a LO enemy, though, the enemy would be able to come much closer without being detected, which gives each of his missiles more ene...

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by mxaxai
Mon May 31, 2021 2:17 pm
Forum: Military Aviation & Space Flight
Topic: New advertisement: B-52 re-engine back in the mix?
Replies: 190
Views: 41292

Re: New advertisement: B-52 re-engine back in the mix?

What was the last weapon system to have been in active military for a 100 years? The musket? The Navy revolver? The saber? bt The advance of technology and tactics even in ancient times meant that most weapons would become obsolete over a 100 year span. While the concept of a musket or saber is sim...

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by mxaxai
Mon May 31, 2021 1:24 pm
Forum: Civil Aviation
Topic: Bloomberg: Qatar Airways Is in a Mystery Spat with Airbus
Replies: 144
Views: 26268

Re: Bloomberg: Qatar Airways Is in a Mystery Spat with Airbus

The issues are 1) international business travel is in the tank due to Covid hangover, and 2) it may never return. He's looking for a way to slow down deliveries. Fluff. Not just international business travel in general. While Europe and the US are vaccinated to a large degree and are slowly startin...

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by mxaxai
Mon May 31, 2021 9:46 am
Forum: Civil Aviation
Topic: Aerion Supersonic shuts down
Replies: 49
Views: 9252

Re: Aerion Supersonic shuts down

TRANSLATION: I can't afford it, so I don't want anyone to have it! Thus I'll scream "climate!" then they'll never suspect that my intentions are anything other than magnanimity :hissyfit: Regardless of climate, noise would have been an issue. Even if they managed to mitigate the sonic boo...

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by mxaxai
Fri May 21, 2021 9:14 am
Forum: Civil Aviation
Topic: France moves to ban short-haul domestic flights where same journey could be made by train in under 2,5 hours
Replies: 286
Views: 32739

Re: France moves to ban short-haul domestic flights where same journey could be made by train in under 2,5 hours

It is far from proven that mankind can affect climate cange in any way. Just paying to feel better will not change anything for sure. Dramatic climate change happened through all of earth's history including before mankind and might be mainly depending on the sun's activities. So you choose to beli...

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by mxaxai
Fri May 21, 2021 7:45 am
Forum: Civil Aviation
Topic: France moves to ban short-haul domestic flights where same journey could be made by train in under 2,5 hours
Replies: 286
Views: 32739

Re: France moves to ban short-haul domestic flights where same journey could be made by train in under 2,5 hours

There is, however, the not insignificant issue of international conventions, one of which says that airline full is exempt from taxation globally. So the thought of EU members going it alone in one of the most globalised industries is naive in the extreme. What do you expect to happen? That TATL fl...

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by mxaxai
Thu May 20, 2021 10:23 am
Forum: Military Aviation & Space Flight
Topic: 3D printer for some space stuff
Replies: 6
Views: 1259

Re: 3D printer for some space stuff

And what about 3d printing for satellite manufacturing? Can smallsats or CubeSats be made using this technology? I think it would help satellite launchers to reduce production costs and equip their sats with high-quality payloads, such as these CubeSat cameras that can be used for high-resolution r...

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by mxaxai
Wed May 19, 2021 1:10 pm
Forum: Civil Aviation
Topic: Ryanair wins lawsuit over state aid for KLM, TAP
Replies: 10
Views: 2136

Ryanair wins lawsuit over state aid for KLM, TAP

While the European Commission and its antitrust branch gave the green light for financial aid by the Netherlands and Portugal, the European General Court rejected this decision today after Ryanair filed a lawsuit. Other state aid measures were considered legal, however. At the same time, the General...

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by mxaxai
Wed May 19, 2021 12:26 pm
Forum: Civil Aviation
Topic: COVID-19 News and Reference Thread
Replies: 741
Views: 472084

Re: COVID-19 News and Reference Thread

https://www.fraport.com/en/newsroom/pre ... une-1.html
-->

FRA will reopen runway 07L/25R on 01 June 2021, after using it as a parking area for aircraft from March 8 - July 23 last year, and again since December 16.
https://www.fraport.com/en/newsroom/pre ... une-1.html

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by mxaxai
Mon May 17, 2021 2:42 pm
Forum: Civil Aviation
Topic: German Green party candidate for chancellor want to ban short haul and implement tax
Replies: 113
Views: 10170

Re: German Green party candidate for chancellor want to ban short haul and implement tax

There are MANY routes where no competitive high speed train is available and will not be for some long time. How is Europe's common market supposed to grow together if no domestic travel is permitted? Simple, just tie the permission (or fees) to serve a route to the availability of fast (and effici...

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by mxaxai
Mon May 17, 2021 1:56 pm
Forum: Civil Aviation
Topic: German Green party candidate for chancellor want to ban short haul and implement tax
Replies: 113
Views: 10170

Re: German Green party candidate for chancellor want to ban short haul and implement tax

The Greens never talk about solutions to problems like higher bio-fuel percentages or the next generation of turboprop or higher bypass jet engines or more efficient routing of flight paths. They actually do (though bio-fuels are a hot topic due to their competition with food crops, the need for pe...

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by mxaxai
Mon May 17, 2021 12:04 pm
Forum: Civil Aviation
Topic: German Green party candidate for chancellor want to ban short haul and implement tax
Replies: 113
Views: 10170

Re: German Green party candidate for chancellor want to ban short haul and LCC flights

Actually, all of these LCCs will just shift their operations across the borders of Germany into the nearest airports in Poland and the Czech Republic, Belgium or even Luxembourg. People said the same when Germany introduced a surcharge for departures 10 years ago. Very few customers are actually wi...

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by mxaxai
Mon May 17, 2021 10:29 am
Forum: Civil Aviation
Topic: German Green party candidate for chancellor want to ban short haul and implement tax
Replies: 113
Views: 10170

Re: German Green party candidate for chancellor want to ban short haul and LCC flights

Airports cannot easily be connected to high speed train links. Look at MUC airport taking tens of years and still not being high speed rail connected. FRA has an excellent high speed rail connection. BER got a new train station with direct trains to Dresden and the Baltic sea, and another one for h...

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by mxaxai
Sun May 16, 2021 9:44 pm
Forum: Civil Aviation
Topic: German Green party candidate for chancellor want to ban short haul and implement tax
Replies: 113
Views: 10170

Re: German Green party candidate for chancellor want to ban short haul and LCC flights

Banning LCC flights would be banning Lufthansa since their European flights are basically LCC style. It's not about LCCs per se, it's about tickets that are sold below cost. Also, jet fuel is one of the few products that is still tax free. New regulations would affect all carriers alike (if only fo...

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by mxaxai
Sun May 16, 2021 9:38 pm
Forum: Civil Aviation
Topic: German Green party candidate for chancellor want to ban short haul and implement tax
Replies: 113
Views: 10170

Re: German Green party candidate for chancellor want to ban short haul and LCC flights

Much depends on what the tax collector does with money and I’m not optimistic politicians will spend it wisely. One idea is to distribute all income from environment-related taxes equally among all citizens. So those who pollute much will end up with a net negative, while other have more money than...

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by mxaxai
Sun May 16, 2021 4:01 pm
Forum: Civil Aviation
Topic: German Green party candidate for chancellor want to ban short haul and implement tax
Replies: 113
Views: 10170

Re: Green party candidate for chancellor Baerbock want to ban short haul and LCC flights when she becomes chancellor

What she said originally: BAMS: Aber Flugreisen werden teurer? ANNALENA BAERBOCK: Ja, ich finde es nicht fair, dass mit unser aller Steuergeld das Kerosin subventioniert wird, während Fernfahrten mit der Bahn gerade zu Stoßzeiten teuer sind. Wer als Familie mit dem Zug reist, sollte doch weniger zah...

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by mxaxai
Sat May 15, 2021 10:41 pm
Forum: Military Aviation & Space Flight
Topic: USAF Wants to Give the F-22 Raptor an Early Retirement
Replies: 18
Views: 3703

Re: USAF Wants to Give the F-22 Raptor an Early Retirement

But the F-16 outliving the F-22? Is it a numbers thing, considering the low number of Raptors in active service now? I guess it depends on two things: How quickly can NGAD replace the F-22? And how quickly can the F-35 replace the F-16? In the case of NGAD, it's more of a technological issue gettin...

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by mxaxai
Sat May 15, 2021 10:32 am
Forum: Technical/Operations
Topic: I was selected for both Civil and Military aviation. Professionals, please help me to choose
Replies: 26
Views: 3003

Re: I was selected for both Civil and Military aviation. Professionals, please help me to choose

Congratulations on your degree and being offered so many choices! A disclaimer: I am not too familiar with the Turkish air force nor with Turkish Airlines. However, I would encourage you to make this decision very carefully. The military way of life is not for everyone. You give up many of the privi...

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by mxaxai
Fri May 14, 2021 9:10 pm
Forum: Military Aviation & Space Flight
Topic: Oblique Wave Detonation Engine May Unlock Mach 17 Aircraft
Replies: 4
Views: 1066

Re: Oblique Wave Detonation Engine May Unlock Mach 17 Aircraft

there's not a radar or missile defense system in the world that could cope with a hypersonic missile at this point. That's not quite true. ICBMs reenter at significantly higher speeds and there are systems that can intercept them. At high altitudes, even surface radar can detect such missiles from ...

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by mxaxai
Wed May 12, 2021 10:31 pm
Forum: Military Aviation & Space Flight
Topic: China's Long March 5B rocket ( CZ-5B R/B ) to re-enter and crash to earth, but where??
Replies: 27
Views: 2412

Re: China's Long March 5B rocket ( CZ-5B R/B ) to re-enter and crash to earth, but where??

Correct me, if I'm wrong but AFAIK most of the debris in LEO is not of Chinese origin. "most of" - no, certainly not. Their ASAT test in 2008 increased the number of trackable threats by ~30%, and the high orbit of the destroyed satellite means that most of the debris is still there. So f...

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