Time is 1,446 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
6 400 HP
5.926 / mass
Wreckage
Mass778
Mass in water467
Health5 760
Per veterancy level
Health+640
Regen+3hp/s
Mass to kill1 620
Mobility & intel
Vision radius20
Water vision44
Sonar radius36
Worth knowingfrom blueprints
Toughest T2 torpedo launcher6 400 hp
Best health per mass of any T2 torpedo launcher5.93
Cannot target airreaches nothing only
Radar stealthDoes not appear on radar; still visible to sight.