▁r ated ▁at ▁ ▁and ▁designed ▁to ▁reach ▁a ▁top ▁speed ▁of ▁, ▁but ▁Se v ast opol ▁only ▁reached ▁a ▁speed ▁of ▁ ▁from ▁ ▁during ▁her ▁sea ▁tri als . ▁She ▁carried ▁enough ▁coal ▁to ▁give ▁her ▁a ▁range ▁of ▁ ▁at ▁a ▁speed ▁of ▁. ▁She ▁had ▁a ▁crew ▁of ▁ 6 6 2 . ▁ ▁The ▁Pet rop av lov sk - class ▁ships ' ▁main ▁battery ▁consisted ▁of ▁four ▁ 1 2 - inch ▁guns ▁mounted ▁in ▁two ▁tw in - gun ▁tur rets , ▁one ▁each ▁forward ▁and ▁one ▁a ft ▁of ▁the ▁super structure . ▁Design ed ▁to ▁fire ▁one ▁round ▁per ▁ 9 0 ▁seconds , ▁the ▁actual ▁rate ▁of ▁fire ▁was ▁half ▁that . ▁Their ▁secondary ▁arm ament ▁consisted ▁of ▁twelve ▁Can et ▁six - inch ▁quick - f iring ▁( Q F ) ▁guns . ▁E ight ▁of ▁these ▁were ▁mounted ▁in ▁four ▁tw in - gun ▁wing ▁tur rets ▁and ▁the ▁remaining ▁guns ▁were ▁position ed ▁in ▁un protected ▁em bras ures ▁on ▁the ▁sides ▁of ▁the ▁h ull ▁amid ships . ▁Sm aller ▁guns ▁were ▁carried ▁for ▁defense ▁against ▁tor ped o ▁boats , ▁including ▁ten ▁Q F ▁ ▁Hot chk iss ▁guns ▁and ▁twenty - e ight ▁Maxim ▁Q F ▁ ▁guns . ▁They ▁were ▁also ▁armed ▁with ▁six ▁tor ped o ▁tub es , ▁four ▁ ▁tub es ▁above ▁water ▁and ▁two ▁ ▁sub mer ged ▁tub es , ▁all ▁mounted ▁on ▁the ▁broad side . ▁They ▁carried ▁