Just giving you the facts. It's like telling someone your car gets up to 50mph in third gear and then having someone ask you "How come it never goes faster than 45?" At MAXIMUM WARP, yes. Not at their cruising velocity, which by definition is a velocity the engines can sustain during long voyages WITHOUT putting in for repairs. If Voyager can't do this at 9.975, then that isn't their cruising velocity. I think they run at high efficiency because that's what's need for high warp.[/QUOTE][/QUOTE] You offer this as (I guess) a counter argument but I'm not really seeing the opposing facts. They never replaced their warp core, A pressure vessel is a very finite container. Voyager herself might be able to get to those speeds but the Core may be compromised that it can no longer stand the high energy reactions for high warp, we know the engines need way more power at warp nine and above so that it starts to become infinite. The micro fractures might mean the plasma flow is unstable aswell. After all you can mend a containment vessel but ultimately it has to be replaced because it's basically in pieces.