So after reading a certain book series that I enjoyed. I wondered Whether a certain scenario in the series would be possible. The Challenge: Is to create a ship that can reach orbit from earths surface. But then have enough delta-v to duke it out with an incoming enemy ship. - The ship must have 1.2g thrust or more. (when fully fueled) - A minimum of 15 km/s of DV. - Cost under 550 Mc.
The Ship must also have a Missile system capable of intercepting incoming objects. After all we don't want the opposing side to think they can just sit in the asteroid belt and lob asteroids at earth. The Ship must also have it's own PD system. Whether that's lasers or railguns is up to you. Our sources (Classified) say the enemy uses predominantly missiles.
Extra Challenges: - Being able to reach the asteroid belt from earth orbit. - Being (For the most part) Laser Star/Giant Laser Resistant. - Redundancy, This is Earths only hope. If this ship loses then all is lost. It makes sense in that case to make sure it can not be knocked out easily.
Mods are allowed. However somethings must stay within reason. As such ships cannot be armored in Graphene, And Fusion drives are not allowed. Also if it is not already apparent. It can only be one ship.
The point of this is to replicate the ship from the series. The series Being, Plague Wars. By David Vandyke. And while that ship was powered by an Orion Drive, sadly we do not have such a thing yet in CDE.
Post by The Astronomer on Aug 14, 2017 2:22:55 GMT
You can't have a LV using conventional fusion because the thrust is abysmal, and the waste heat will vaporize everything nearby including the spacecraft. There is a concept of air-breathing fusion engines, though.
Might want to check in on some of the fantastic designs from this thread. In particular, remember that atmospheric rockets need to have 100kpa at the end of the nozzle, and one should generally plan on having 10 km/s just in your orbital insertion stage.
EDIT: Naturally your OIS needs at least 1g0 of thrust, but it should really have more like 2 or 3.