[perf1]

Aren't most anti aircraft missiles heat seeking? Could also be a reason why 60% of the engine energy need to go into creating heat. Otherwise cheap gas engine drones that can't be intercepted and can fly thousand of miles could be really dangerous.

[throwaway14356]

stan meyer (infamous for claiming his dune buggy ran on water) did a hilarious talk where he described pvc tube rockets filled with water used both as the propellant and the explosives. Mass produced they would cost 5 dollar[sic]

The war we could give..

[aaaaaaaaaaab]

Yes, it's called Carnot's conspiracy.