TL9 Antimatter pion rockets

[Sunrunners_Fire]

Originally Posted by Flyndaran

Even super advanced production facilities keep antimatter so expensive as to be useless for nearly any plausible ship even without taking storage difficulty into consideration, in my opinion.

Well ...

1kg of anti-matter should produce about 9E16 joules. One sun-second (assuming Sol) is 4E25 watts. I suspect one sun-second would produce quite a lot of anti-matter (nearly 450 million kilograms of the stuff at perfect efficiency if my notes are right).