▁due ▁to ▁space ▁constraints . ▁ ▁The ▁ships ▁did ▁not ▁have ▁central ized ▁fire ▁control ▁and ▁each ▁gun ▁type ▁had ▁different ▁ball istics . ▁ ▁The ▁L / 3 5 ▁guns ▁had ▁a ▁m uzz le ▁velocity ▁of ▁ ▁and ▁a ▁maximum ▁range ▁of ▁ ▁vs ▁ ▁and ▁a ▁maximum ▁range ▁of ▁ ▁for ▁the ▁L / 4 0 ▁guns . ▁ ▁Railway ▁art illery ▁ ▁When ▁the ▁two ▁Brandenburg - class ▁ships ▁still ▁in ▁German ▁service ▁ ▁and ▁ ▁were ▁re leg ated ▁to ▁training ▁duties ▁in ▁ 1 9 1 5 ▁six ▁of ▁the ▁L / 4 0 ▁guns ▁were ▁transferred ▁to ▁the ▁Army ▁where ▁they ▁were ▁known ▁as ▁ 2 8 ▁cm ▁K ▁L / 4 0 ▁" K ur für st " ▁guns . ▁These ▁were ▁installed ▁on ▁Eisen bahn ▁und ▁B ett ungs sch i ess ger üst ▁( E . ▁u . ▁B .) ▁( ra il road ▁and ▁firing ▁platform ) ▁mount s ▁successfully ▁used ▁by ▁other ▁German ▁rail road ▁guns . ▁Un like ▁every ▁other ▁large ▁German ▁rail road ▁gun , ▁it ▁used ▁a ▁massive ▁rect angular ▁cr ad le ▁for ▁its ▁gun . ▁ ▁The ▁six ▁" K ur für st " ▁guns ▁entered ▁service ▁in ▁early ▁ 1 9 1 8 , ▁particip ating ▁in ▁the ▁German ▁Spring ▁Off ensive ▁and ▁the ▁subsequent ▁def ensive ▁operations . ▁They ▁were ▁organized ▁into ▁B atter ies ▁ 3 9 3 , ▁ 4 3 4 , ▁ 7 2 2 ▁and ▁the ▁First ▁through ▁Third