- #1
Decimator
- 30
- 2
I've been doing some reading about Orion-drive spacecraft , but I don't understand the requirement of a high Z propellant like tungsten. Assuming that the pulse unit were detonated further away from the craft to prevent it from drilling a hole in the pusher plate due to its narrower angle, why couldn't the pulse units use a low Z propellant to gain a higher exhaust velocity? I assume there's a reason, but it isn't easily found information.