By Kevin Swayze
The complexity of modern day rocketships is on ammaculate level of detail so complex in fact that even the bare structrure of a rocket is only comprhenable on paper
The first and main sytem i will be talking about is the engine their are multiple types of engine to start off their is the most simplest kind of engine the solid fuel rocket engine its fuel grain contains a solid based fuel. this is a great type of engine if you want to build one at home its simple which makes it a cheaper type of engine
The second type of engine that rocket ussauly use is called the liquid fuel and is commonly found amongst space agencies around the world.this type of fuel is more exspensive and requires an expert to deal with because of its liquid state it could cause shift in mass that could ultimately lead to it wobbling. how to fix this is ussally to make a smaller spherical fuselage on the inside of the the outer fusealage make it completely full so it dosen't splash too much
The third engine type is an xenon engine this type of engines fuel is a gas, xenon its a gas that works with electricity its insanely efficient but produces such little thrust that it takes days for any effect to happen these type of engines are used near the end stage of a rocket or satelite
My conclusion to my statement is that there is so many rocket engine designs and fuels that is insane there is many engine that are customely made or engines that run off of gas and electricity