Відео

Their litterally deflecting asteriods :I

@@sarcasticstartrek7719 yeah. It'd look nice ...maybe on the next one, cheers!

😂

What you just described is essentially a design known as a mass driver.

In theory yes but in practice no First like every good ideas, it's a question of costs.... What's cheaper ? sticking a few rocket engines to a tank of fuel ? Or digging hundred if not thousand of meters in the ground to build a super deep structure made of hundreds of the most powerful ring electromagnet ever produced using hundred of tons of precious metals and a constant supply of liquid nitrogen to cool the magnet to achieve super-conductivity, all this needing to be powered by its own power-plant or solar farm ? Also, a rocket is always accelerating to gain speed and reach orbit ( because orbit is not just a "place" around earth, it's also a speed to reach to stay in this place around earth and not just fall back) so when you have rocket engines that fire continuously it's easy, but with a magnetic accelerator system, you only gain speed when inside the tube, once you exit it you've reached your maximum speed, which pose 2 problems The first is that when you come out of the tub, you still have something like 100km of atmosphere above your head, slowing down anything you launch though it, (technically more since you have to launch no straight up but inclined to be inserted in a round orbit because your magnetic vehicle doesn't have rocket engines to adjust your inclinaison) and your magnetic rocket need to go through all this atmosphere without propulsion and still have enough speed when exiting the atmosphere to be able to stay in orbit So for that, your speed when exiting the tube must be absurdly fast, 10 times faster than a bullet... for a low earth orbit it needs to be 27000 kilometer per hours, (or 17000 freedom units) Which bring us to the 2nd problem, if you try to put a human in a rocket going from 0 to 27000km/h in less than 30 second, what you're gonna send in orbit will not be humans anymore but more like a bloody stain absorbed in the seats ( or more like a liquid human inside a space-suit ) To gain progressive acceleration that humans could endure, the launching tube would need to be... well pretty much the length of the atmosphere XD Well ok maybe not that much, let's say a third of the atmosphere thickness, so it would give a acceleration 3 time stronger than a normal rocket, it's still manageable for trained astronauts, but anything more and it's becoming dangerous, so it bring the size of our magnetic launcher to 33km... not bad, I mean.. Cern's large hadron collider is 27km long, not that far... ( but it's made to accelerate protons, not rocket, you need a bigger one for that ) BUT there is still something to get from this idea First, even if you can't send humans with this, you could still send very small quantity of material in small capsule , but nothing big, the faster you go the harder it gets on the capsule, and bigger capsule are more fragile.. one company is working on something like that but not with magnetic acceleration, with a ultra high speed spinning launcher, check "Spinlaunch" Next is the fact that you could use a hybrid version on smaller scale, launch smaller missile sized rocket that also have fuel and engines, the magnetic launcher can send it with "less speed" a few km in the air and when the rocket start to slow down too much, the engines would take over The initial speed at the end of the launcher tube would still be too fast for humans, but it would allow bigger capsule for material, now the question is, would the savings on fuel would be worth the cost of development ? probably not Virgin Galactic do something with a similar concept, their ""space vehicle"" launch from a plane, the plane provide the initial speed like the launcher and when at it's max the vehicle launch, but it doesn't technically reach orbit and fall back on earth after a few minutes And then finally you have the true magnetic launcher like you imagine it, it's completely possible... just not on our planet. The atmosphere is too thick and dense, the gravity is too strong... the amount of energy and speed a magnetic launcher would require would be faaaar less convenient and faaar more expensive than chemical rockets ( especially lately with prices plummeting ) But on the moon, it's a other story, no atmosphere to slow you down and with only 16% of earth gravity, it would require far less acceleration to launch, so less energy, slower speed, smaller launcher... it would be a great idea to send back material back to earth if one day we extract resources from the moon like precious metals or tritium for fusion And it would be ever better for asteroid mining, even less gravity.. I suggest you watch some video from Kurzgesagt especially the videos about terraforming planets, they explain pretty well how a magnetic launcher would work in those situation And wow that's longer than I thought😅I can't stop writing when it's about stuff I like Well.. hope you had fun reading :)

@@Alice.59 this is actually a treat to read, thank you <3

@@luuuuzzz And this is why I took time to write it, you're welcome :)

@@Alice.59 даже если в земле разгонять снаряд плавно, на выходе он всё равно бьётся об атмосферу. Это как правило: упасть в воду с большой высоты - всё равно, что на бетон. Так что размазан пассажир будет уже по потолку, а не креслу. Что касается космодромов без атмосферы - на таких планетах и лунах как правило всё расположено под землёй, для защиты от радиации. Выгоднее всего там строить большой разгонный монорельс на экваторе по ходу вращения небесного тела, чтобы взять максимальную начальную скорость. Длинное метро под острым углом к горизонту выходит на поверхность и переходит в мостовой трамплин. Также не забывай, что магнитный якорь для взаимодействия с рельсами весит ненамного меньше дополнительных баков, в отличие от последних этот вес не сбрасывается с отработанным топливом. То есть эта часть тоже будет отделяемым посадочным модулем, тележкой, которая как-то должна возвращаться на космодром, поскольку одноразовые использовать слишком расточительно. Выступающую часть можно также изготовить в виде полноценного моста, а не трамплина, тогда в верхней точке ракета просто будет от вагона отделяться и лететь дальше, а вагон вернётся в метро по тем же рельсам.