sentences:  "Hessen" suffered from unstable steering, which increased fuel consumption and shortened her operational range to at .The first two ships—"Braunschweig" and "Elsass"—had four generators that produced 230 kW (74 V), while three following ships—"Hessen", "Preussen", and "Lothringen"—had four turbo-generators that provided 260 kW (110 V).Their main armament was increased from previous designs, but was still weaker than contemporary foreign battleships; the German Navy had a tendency to emphasize rapidity of fire rather than weight of shell, and smaller guns could generally be fired faster than larger ones.