Time is 800 build points divided by build power. Drain is mass and energy per second while it is building, so more build power finishes sooner and costs the same total, but pulls harder on the economy.
Survivability
1 000 HP
6.25 / mass
Wreckage
Mass115
Mass in water69
Health900
Per veterancy level
Health+100
Regen+3hp/s
Mass to kill240
Mobility & intel
Speed2.6
Turn rate120
Vision radius20
Transport class2
Worth knowingfrom blueprints
HoverCrosses water on the surface, and can be hit by torpedoes while doing it.