N. Lindberg wrote: > > What's a monergol? Well, i don't know if the word exists in English, but in French, it's a propellant that burn by itself(no need for an external source of O2, etc)... Hydrazine would be an example, i think... -- AKA paul_virak_khuong at yahoo.com, pkhuong at deja.com, pkhuong at crosswinds.net and pkhuong at technologist.com(list not complete)...