Continental flights in the very near futur will be replaced by High Velocity trains
Continental flights in the very near futur will be replaced by High Velocity trains
(OP)
Because of pollution, Continental flights in the very near futur will be replaced by High Velocity trains, because trains are much less polluent and will compete more and more in velocity with planes. Intercontinental flight planes will keep going on making sense but, they have to change to a less poluent combustible maybe hydrogen will be well positioned.
luis
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
I reckon Fusion power plants will be up and running in the "near" term too. That is IMHO the only long term energy source, until we have warp engines, sub-space, and anti-matter/dilithium power.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Fusion power plants will be up and running in the "near" term too, but not before 2040, rb1957.
In small to medium European countries hight velocity trains already replace with advantages the planes and are more ambiently friend.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
There have been several attempts to develop interstate bullet trains, but the cost has still be too prohibitive. One issue is that the US is not a particularly train-traveling country
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
oh, but he means his yet-to-be-invented "hyper" trains … they wouldn't run on anything as mundane as diesel !
and yes I've read about trains travelling in vacuum tubes … not in our lifetime.
I appreciate your optimism about fusion power ! by 2040 ITER will be up and running, and probably other demonstrators, but commercial fusion is unlikely in this century. But if we work on it now, we will get there.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
RE: Continental flights in the very near futur will be replaced by High Velocity trains
You've made trains non-polluting by relying on electrical power generated by renewables. This is not QED (Quite Easily Done). The infrastructure costs are "ginormous". The benefit small.
Why not replace intracontinental travel with the much more renewable horse drawn carriage ? Ok, we'd have to deal with the methane issue ...
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
RE: Continental flights in the very near futur will be replaced by High Velocity trains
CONTINENTAL FLIGHTS did you ear?
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Edit: too slow by a few seconds.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
regards
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
good luck
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Moreover, unless you purchase a private compartment, you'll be sitting with a bunch of other people for at least twice as long, which means your probability of getting COVID-19 might be significantly higher on a train
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Whatever times there are on the ground for a plane are similar for a train. It's only when those ground-times dominate the trip and the trip meets a traveler schedule that it works; which is why the Northeast corridor Amtrak routes are the ones that make money.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
"Since there's no express train from Moscow to Paris, you spend one and a half day onboard a well-equipped night train, taking you through half of Europe. You can choose one of the 3 travel classes, each offering different package inclusions, but all of them promise a comfortable bed with a table, air-conditioning, and lockable doors."
"comfortable" … yeah, right ! (consider the source !!) I don't see a bunch of people lining up for this train, for possibly $700 … but I couldn't get the booking site to work !? (SNAFU ?)
But we're imaging something different … possibly a bullet train like they have in Japan and China ?
But in the US, this from wiki …
"Plans for high-speed rail in the United States date back to the High Speed Ground Transportation Act of 1965. Various state and federal proposals have followed. Despite being one of the world's first countries to get high-speed trains (the Metroliner service in 1969), it failed to spread. Definitions of what constitutes high-speed rail vary, including a range of speeds over 110 miles per hour (180 km/h) and dedicated rail lines. Inter-city rail in the United States with top speeds of 90 miles per hour (140 km/h) or more but below 125 mph (201 km/h) is sometimes referred to as higher-speed rail.[1]
Amtrak's Acela Express (reaching 150 mph (240 km/h)), Silver Star, Northeast Regional, Keystone Service, Vermonter and certain MARC Penn Line express trains (all five reaching 125 mph (201 km/h)) are the only high-speed services in the country.
As of 2017, the California High-Speed Rail Authority is working on the California High Speed Rail project and construction is under way on sections traversing the Central Valley. Phase I is planned for completion in 2029, and Phase II is estimated to be completed before 2040."
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
"All" I think we are saying is that trains (conventionally powered) are not a very superior transportation over airplanes as regard to pollution when you have low volumes of passengers and long distances. Trains are very effective at moving long volumes/weights of freight over long distances.
Of course, part of this is what we are used to, our normal. maybe we have to adjust to a new normal in the future, when people/governments take our choices away.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
You proposed electrically powered trains, electricity from renewables. Possibly in Europe, possibly China, unlikely in the US.
Europe has an advantage in a high concentration of people, with an extensive rail network (and a more socially conscious society), although not much of the rail network is suitable for high speed trains (particularly very high speed).
China has an advantage in a more authoritarian government and a vast population.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
There's also a 2 week enforced quarantine if you're coming into NY from 'YOU CAN'T MAKE ME WEAR A MASK' states.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
RE: Continental flights in the very near futur will be replaced by High Velocity trains
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
https://www.youtube.com/watch?v=lGdhI2gTVdM
RE: Continental flights in the very near futur will be replaced by High Velocity trains
LUIS
https://www.youtube.com/watch?v=aIwbrZ4knpg
RE: Continental flights in the very near futur will be replaced by High Velocity trains
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
You can compare it with the costly MAGLEV infrastructure costs in the site below
https://www.jrailpass.com/blog/maglev-bullet-train
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Chinese maglev track costs $40million per km.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
RE: Continental flights in the very near futur will be replaced by High Velocity trains
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
"Advantages of Maglevs
The foremost advantage of maglev trains is the fact that it doesn’t have moving parts as conventional trains do, and therefore, the wear and tear of parts is minimal, and that reduces the maintenance cost by a significant extent.
More importantly, there is no physical contact between the train and track, so there is no rolling resistance. While electromagnetic drag and air friction do exist, that doesn’t hinder their ability to clock a speed in excess of 200 mph.
Absence of wheels also comes as a boon, as you don’t have to deal with deafening noise that is likely to come with them.
Maglevs also boast of being environment friendly, as they don’t resort to internal combustion engines.
These trains are weather proof, which means rain, snow, or severe cold don’t really hamper their performance.
Experts are of the opinion that these trains are a lot safe than their conventional counterparts as they are equipped with state-of-the-art safety systems, which can keep things in control even when the train is cruising at a high speed.
Disadvantages of Maglevs
While the advantages of Maglev Train System may seem quite promising in themselves, they are not enough to overshadow the biggest problem with the maglev trains: the high cost incurred on the initial setup. While the fast conventional trains that have been introduced of late, work fine on tracks which were meant for slow trains, maglev trains require an all new set up right from the scratch. As the present railway infrastructure is of no use for maglevs, it will either have to be replaced with the Maglev System or an entirely new set up will have to be created―both of which will cost a decent amount in terms of initial investment. Even though inexpensive as compared to EDS, it is still expensive compared to other modes.
If the advantages and disadvantages of these trains are pitted against each other, it can be a bit difficult to come to a concrete conclusion. While the high cost of initial set up is something that a developed nation like the United States won’t have to worry about, the fact that the entire infrastructure has to be replaced with a new one will be something that will have the experts in a catch-22 situation. But obviously, we will have to do away with their disadvantages if we are to invest in maglev trains. If the commercial success of the Shanghai maglev train is to be taken into consideration, these trains can be surely considered the transport system of the future."
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Brad Waybright
It's all okay as long as it's okay.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Brad Waybright
It's all okay as long as it's okay.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
FAQ731-376: Eng-Tips.com Forum Policies forum1529: Translation Assistance for Engineers Entire Forum list http://www.eng-tips.com/forumlist.cfm
RE: Continental flights in the very near futur will be replaced by High Velocity trains
RE: Continental flights in the very near futur will be replaced by High Velocity trains
UGHHHH the engineering Impossibilities/improbabilities portrayed were so mind-boggling I had-to step-away from the TV in disgust... I couldn't suspend my beliefs for the show's premise.
A 1000 car train speeding indefinitely around a snowy [semi croyogenic temperatures] mountain-side track. Hmmmmm
For starters assume each train car is 80-feet [24.384-M] [avg] long connection-to-connection... The train is only 80,000-feet [15.15 Miles] [24.384-km] long.
Then the mechanics of rolling stock on rails at -100F [-74C], for years... using a power-source of...?
It ain't gonna happen.
Regards, Wil Taylor
o Trust - But Verify!
o We believe to be true what we prefer to be true. [Unknown]
o For those who believe, no proof is required; for those who cannot believe, no proof is possible. [variation,Stuart Chase]
o Unfortunately, in science what You 'believe' is irrelevant. ["Orion", Homebuiltairplanes.com forum]
RE: Continental flights in the very near futur will be replaced by High Velocity trains
In the movie version there are spaces to work in too small for adults. Who would design such a thing? One would if one depended on Oompa-Loompa labor, but then they died from the cold, so children were forced to labor.
Anyway, those reviews put the story into a better perspective of purely speculative fiction rather than science fiction.
(fixed movie titles)
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Jennifer Connelly is as awesome as ever
TTFN (ta ta for now)
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
1979 Hamburg Germany
1979 Moscow USSR
1984-85 Birmingham UK
1984-2012 Emsland Germany (1984-2006 for passengers. Strictly a test train after 26 passengers killed in 2006)
1986-88 Vancouver Canada
1986-88 Hamburg
1989-92 Berlin
These are the maglev trains operational today. Only two have significant track length.
1993 Daejeon Expo Maglev, South-Korea - Length 1 km (0.62 mi)
2004 Shanghai Maglev, China - 30.5 km (19 mi)
2005 Linimo Maglev, Japan - 8.9 km (5.5 mi
2016 Incheon Airport Maglev, South-Korea - 6.1 km (3.8 mi)
2016 Changsha Maglev Express, China - 18.55 km (11.53 mi)
2017 Beijing S1 Metro Line, China - 8.25 km (5.13 mi)
More magleve trains have been shut-down than are still operating. Maglev trains carrying passengers began 41 years ago.
Let's compare 41 years of development with the airplane. The Wright brothers first flew in 1903, and 41 years later in 1944 the use of aircraft had dominated the world for passenger, commercial, and military uses.
Lets compare 41 years of development with the steam locomotive. The first working railway steam locomotive was built in the UK in 1804 by Richard Trevithick. 41 years later in 1845 most major countries had train networks.
Using historical comparisons, maglev technology has failed to be anything more than a expensive side-show.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
By comparison, a clap of thunder hits 120 decibels while the pain threshold for the human ear is around 110.
When the jet broke through the sound barrier, it created a "sonic boom", a huge crashing noise which led many countries to banish it from flying over their territory.
Fuel guzzler
Another black mark was the Concorde's high fuel consumption. Its four Rolls-Royce/Snecma Olympus 593 engines together guzzled on average 20 tonnes of kerosene per hour of flight and 450 litres (nearly 120 gallons) per minute at take-off.
The fuel consumption per passenger was 14-17 litres for every 100 kilometres travelled—four times more than for an aircraft today."
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
mind you there's a lot of interest in supersonic business jets, which IMHO is a waste of carbon/energy.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Whilst it may be reliable, it is still awfully prone to single source failures with catastrophic consequences … not something you want in a commercial transport.
I don't know the accelerations during launch, but not something I see 60 year old, or highly unfit/obese, people putting up with. Also deceleration on landing. Mind you they could probably redesign the trajectory to accommodate, possibly a 3g limit … even that is quite a lot … a sustained 2g turn is quite something !
Then the effects of sub-orbital reduced g (zero g ?) in the cabin would be "interesting", but for less than 1/2 hour ?
Then you've got the infrastructure to build, fuel depots etc.
Again, would these trips use less fuel than current (or future) airliners ?
It'd also "only" replace intercontinental flights, those long enough to justify a suborbital launch
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
The faster and higher you go, the more fuel you burn per mile traveled.
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
if you double speed from 200 kts to 400 kts (still subsonic) you'd expect drag would increase by a factor of 4 (assuming spherical chickens in a vacuum).
if you double from 400 kts to 800kts drag will increase significantly more than 4 time (assuming cubic chickens in an inviscid liquid).
the () expressions mean a host of simplifying assumptions not grounded in reality.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
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RE: Continental flights in the very near futur will be replaced by High Velocity trains
The research was conducted by investment bank UBS, which found that new technology is being developed that would make remotely flying an aircraft feasible in the near future."
Aibus has allready made some experiments on this subject from airport of Touluse.
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
RE: Continental flights in the very near futur will be replaced by High Velocity trains
RE: Continental flights in the very near futur will be replaced by High Velocity trains
the likelihood is, IMAO, vanishingly small.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
sure, you could set it up to remote piloting, as in the military drones and UAVs … but I don't see this being used for passenger transports any time soon.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
FAQ731-376: Eng-Tips.com Forum Policies forum1529: Translation Assistance for Engineers Entire Forum list http://www.eng-tips.com/forumlist.cfm
RE: Continental flights in the very near futur will be replaced by High Velocity trains
and yes this is not rational … pilots probably cause more accidents than they recover from … but people are not entirely rational.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
https://www.youtube.com/watch?v=-KlPPHXdkcI
RE: Continental flights in the very near futur will be replaced by High Velocity trains
there are plenty of real scary landings without looking at sims.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
There are plenty of real "hard" landings on YT.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Brad Waybright
It's all okay as long as it's okay.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Keith Cress
kcress - http://www.flaminsystems.com
RE: Continental flights in the very near futur will be replaced by High Velocity trains
To eliminate intro-continental plane travel would require an extensive train network (in order to avoid replacing planes with car travel, which is less efficient). That just isn't going to happen in the US naturally.
The only way to implement that would be through an enormous taxation effort (ala the Green New Deal), which would be...unpopular...to say the least.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
17000 aircraft, constitute the world aviation park. During the peak of the pandemic, 64% of this total has parked and a portion of it will never fly again. 600 commercial aircraft are shot down every year in the U.S. 115 seats is the largest aircraft parking in Europe, located in Teruel Spain, which registers full capacity and is providing expansion. 55% less passengers flying is the post-pandemic estimate. With less demand many planes currently stationed will not return to make trips. The deserts of Arizona and California in the USA and Teruel in Spain bring together most of the planes stationed on land. 95% of the components of an airplane are used by maintenance companies to be used in appliances still in use. (The morning post)
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
yes, aviation has taken a downturn with the pandemic … what's the point ? Are you suggesting that other forms of travel will take over ? … Haven't you noticed you could write the same piece for cruise ships ? … All travel is down, very little recreational travel is happening (as is shouldn't, in this pandemic).
I expect aviation will return. I think it may take some time for the low costs to return, but there's obviously some market force pushing for volume.
I notice that several airlines are still ordering planes, sure many are deferring or cancelling orders ('cause they have no/little income to provide the funds).
There is a global contraction in aviation. I note that China seems close to opening up it's domestic networks, and I think this puts Chinese airlines in an interesting position when things open up.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
https://www.foxnews.com/us/coronavirus-airplanes-s...
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Also doesn't know that close-quarters transport of all kinds is not used during a pandemic, especially passenger trains, where periods of contact are even longer.
I mentioned before seeing a 2 hour plane trip would have taken 36 hours and cost more by train; the plane flight I had several departures per day to choose from; the train was several per week. US passenger rail competes too much with heavy freight and routes are too inflexible in comparison to flying.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
I have nothing against planes and aerospace guys! Instead of shot down , I would say shutdown, excuse me my friend! Don´t get offended!
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Europe has a well developed train network which competes well with aviation (in normal times).
NA doesn't and has much greater distances to travel.
Europe has limited high speed trains, which has helped trains compete with planes. But I don't believe we'll see aviation replaced with ultra high speed trains "in the near future". The investment is staggering.
The pandemic doesn't change this. The pandemic has shutdown most inter-continental (and much intra-continental) travel .. plane and train.
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
Bless your heart.
RE: Continental flights in the very near futur will be replaced by High Velocity trains
luis
RE: Continental flights in the very near futur will be replaced by High Velocity trains
https://www.youtube.com/watch?v=1AtE54HpXBM
RE: Continental flights in the very near futur will be replaced by High Velocity trains
another day in paradise, or is paradise one day closer ?
RE: Continental flights in the very near futur will be replaced by High Velocity trains
My fortune cookie said, "you will marry the one you are sitting next to."
I married the girl, but never read another cookie fortune after that.