class cruiser class light cruisers class ships built german kaiserliche_marine shortly outbreak world war ships built class frankfurt similar preceding design class armed guns instead guns earlier vessels ships speed knots mph saw major action june badly damaged battle center melee sides fought crippled ship eventually sank early morning hours june survivor frankfurt lightly damaged jutland saw extensive service including russians baltic second battle bight interned rest fleet end war scuttled scapa_flow british sailors prevented sinking frankfurt ceded navy war prize eventually expended target july design dimensions machinery ships meters long waterline long overall beam draft forward aft displaced metric tons long tons short tons designed displacement long tons short tons combat load hulls built longitudinal steel frames contained seventeen watertight compartments double extended seven percent length keel steering controlled single rudder frankfurt crew officers enlisted men carried number smaller craft including picket boat barge cutter propulsion systems consisted sets marine steam turbines driving meter propellers designed shaft horsepower powered coal fired marine type water tube boilers oil fired double ended boilers gave ship speed knots mph ships class carried tonnes long tons coal additional tonnes long tons oil gave range nautical miles knots mph knots mph cruising radius dropped significantly nmi equipped pair turbo generators diesel generator rated combined kilowatts volts frankfurt turbo generators provided armament armor ships class armed guns single pedestal mounts placed forward forecastle located amidships placed superfiring pair aft guns engage targets supplied rounds ammunition shells gun ships armament initially consisted guns replaced pair anti aircraft guns ships equipped torpedo tubes torpedoes submerged hull broadside mounted deck amidships carry mines frankfurt protected waterline armored belt thick amidships belt reduced forward stern armored conning tower thick sides thick roof rangefinder atop conning tower worth armor protection deck covered thick armor plate forward amidships aft sloped armor thick connected deck belt armor main battery gun shields thick service history ordered contract laid vulcan shipyard stettin launched january fitting work commenced commissioned high_seas_fleet august rushed trials ship saw major action june ship badly damaged gunfire battlecruiser hms invincible battle fleets center hard fought action saw destruction british armored cruisers heavy fire british fleet prevented evacuation ship crew remained afloat early hours june sank crew member survived sinking wreck located german_navy divers frankfurt frankfurt ordered contract laid shipyard kiel launched march ships commissioned high_seas_fleet august frankfurt saw extensive action high_seas_fleet world war served primarily north_sea participated battles jutland jutland lightly damaged british cruiser crew suffered minor casualties ship present baltic_sea october end war interned bulk german fleet scapa_flow fleet scuttled june frankfurt ships successfully sunk ceded navy war prize ultimately expended bomb target tests conducted navy july
Wiesbaden-class cruiser