@yogthos No, just someone who can smell obvious bullshit. SCRAMjets basically don’t work for any real world application, and can’t. They inherently have utterly useless power to weight performance.
None of this shit works on anything that’s not a scale model.
I guess we’ll see won’t we. Pretty much same thing was confidently said about lots of technology in modern use, like the high speed train network in China. Plenty of western geniuses derided it as not being cost effective.
High speed rail can be cost effective. High speed planes however cannot.
The amount of air resistance at higher speeds is insane. Instead of relying on wing lift for efficiency the entire aircraft has to remove all wings and it literally becomes a missile.
Efficient planes have long wings to create lift and cruise at lower speeds. This is the opposite where all lift is generated from the fuel.
Given that China has high speed rail all across the country, I suspect that there’s going to be little market for short flights. I would expect this sort of a plane would go all the way to the edge of space where it doesn’t need to worry about air density.
Their high speed train network is impressive, but none of it was new technology when they built it. The first train sets they bought were Siemens Velaro D, a mature high speed train system that has been around in Europe for almost a decade prior.
It ISN’T cost effective, but in China that doesn’t matter: what the state wants the state gets. No matter the cost. And I’m willing to bet that in 10 years time a lot of the stuff just doesn’t work anymore, line speeds get reduced and stops cancelled due to infrastructure not being maintained.
We have seen chinese prestige projects fall into disrepair time and again, and their extensive transport network will see the same fate.
China absolutely has done a lot of innovation in HSR tech. Building stuff is how we develop and improve technology. It’s absolutely incredible that you think China hasn’t innovated in this area.
It ISN’T cost effective, but in China that doesn’t matter: what the state wants the state gets. No matter the cost. And I’m willing to bet that in 10 years time a lot of the stuff just doesn’t work anymore, line speeds get reduced and stops cancelled due to infrastructure not being maintained.
That shows just how utterly clueless you are. The reason China wants to have the whole country connected by rail is because it stimulates the economy. It makes it easy to transport goods across the country, and for people to move around. To suggest that China would abandon its rail network is sheer idiocy.
We have seen chinese prestige projects fall into disrepair time and again, and their extensive transport network will see the same fate.
It’s not a prestige project, it’s critical infrastructure. You’re gonna be doing a lot seething and coping in your future.
Well since you obviously must be an aeronautics engineering expert, perhaps you can explain what aspects of the paper aren’t credible for a dumdum like me
@yogthos plenty of published stuff on why scramjets aren’t practical and air breathing hypersonic transport is basically a white elephant even if you’re able to do it.
@yogthos Did it though?
It did
@yogthos And I’m the queen of England.
Just a sad racist.
@yogthos No, just someone who can smell obvious bullshit. SCRAMjets basically don’t work for any real world application, and can’t. They inherently have utterly useless power to weight performance.
None of this shit works on anything that’s not a scale model.
I guess we’ll see won’t we. Pretty much same thing was confidently said about lots of technology in modern use, like the high speed train network in China. Plenty of western geniuses derided it as not being cost effective.
High speed rail can be cost effective. High speed planes however cannot.
The amount of air resistance at higher speeds is insane. Instead of relying on wing lift for efficiency the entire aircraft has to remove all wings and it literally becomes a missile.
Efficient planes have long wings to create lift and cruise at lower speeds. This is the opposite where all lift is generated from the fuel.
Given that China has high speed rail all across the country, I suspect that there’s going to be little market for short flights. I would expect this sort of a plane would go all the way to the edge of space where it doesn’t need to worry about air density.
That’s going to cost a lot of fuel, maintenance and spare parts. Rebranding an ICBM as a passenger plane is not that big an invention.
The high spees rail is much more impressive as it can be used by the general population. Whereas these top speed planes will only be for the elites.
Their high speed train network is impressive, but none of it was new technology when they built it. The first train sets they bought were Siemens Velaro D, a mature high speed train system that has been around in Europe for almost a decade prior.
It ISN’T cost effective, but in China that doesn’t matter: what the state wants the state gets. No matter the cost. And I’m willing to bet that in 10 years time a lot of the stuff just doesn’t work anymore, line speeds get reduced and stops cancelled due to infrastructure not being maintained.
We have seen chinese prestige projects fall into disrepair time and again, and their extensive transport network will see the same fate.
China absolutely has done a lot of innovation in HSR tech. Building stuff is how we develop and improve technology. It’s absolutely incredible that you think China hasn’t innovated in this area.
That shows just how utterly clueless you are. The reason China wants to have the whole country connected by rail is because it stimulates the economy. It makes it easy to transport goods across the country, and for people to move around. To suggest that China would abandon its rail network is sheer idiocy.
It’s not a prestige project, it’s critical infrastructure. You’re gonna be doing a lot seething and coping in your future.
@yogthos Oh, their rail network is impressive and I wish it was being copied elsewhere.
But this … is not credible.
Well since you obviously must be an aeronautics engineering expert, perhaps you can explain what aspects of the paper aren’t credible for a dumdum like me
https://www.researchgate.net/publication/321943882_Hypersonic_I-shaped_aerodynamic_configurations/link/5a9933c5a6fdccecff0e4504/download
@yogthos plenty of published stuff on why scramjets aren’t practical and air breathing hypersonic transport is basically a white elephant even if you’re able to do it.
I’m not your butler