Speeds & Tactics: These Airships, most of the time, consist of two or more parallelly arranged lifting bodies with most of the mass of the ship hung between them, the center of mass being below the lifting bodies. This arrangement is intended to give them a sort of stability in the air similarly to a catamaran.
While some airships have multiple dedicated steam-engines, most of them feature central engine-rooms where work-power is diverted to engines, winches, etc. using gear-assemblies, drive-belts, drive-shafts, air compressors, ...
Under normal weather conditions military airships rate average speeds between 60-90kph. Military ships feature multiple, often pivotable, engine-pods along their hulls, allowing the application of thrust in almost any direction; the bigger the ship, the more pods naturally. In general speeds, etc. are based on WW1 & Interwar-Period craft, such as the Schütte-Lanz Airships.
Tactics: There are different classes of ships that refer to different sizes, armaments and tasks of the ship, the largest of these reaching widths of up to 160m and lengths of up to 400m. Aspect ratios vary from smaller ships @7:2 to larger ships @5:3.