>...vs. limits on the basic physics. Still the main limitation seems to be the far lower thrust-to-weight ratio. that exactly the basic physics limit of the sc

>...vs. limits on the basic physics. Still the main limitation seems to be the far lower thrust-to-weight ratio. that exactly the basic physics limit of the scramjet that i was talking about : "the other side of the same issue - trying to impact even small amount of additional momentum on the already fast moving air"