[Spaceships] Antimatter Plasma Torch fuelled by Water?

[malloyd]

Originally Posted by Fred Brackin

I think the most comon monopropellant is Hydrogen Peroxide at about 95# purity. It's massibly corrosive and induces fores in other substances more than catches fire itself.

These days it's surely some sort of hydrazine derivative - monomethylhydrazine or unsymmetrical dimethylhydrazine. Those are merely poisonous, flammable and occasionally spontaneously explosive, much safer than concentrated H2O2....