▁of ▁the ▁I sh er wood ▁fr aming ▁was ▁a ▁weight ▁saving ▁that ▁allowed ▁Or ion ▁to ▁carry ▁the ▁specified ▁dead weight ▁on ▁a ▁draft ▁of ▁ ▁instead ▁of ▁the ▁contract ed ▁draft ▁at ▁that ▁load ▁of ▁ ▁allowing ▁for ▁an ▁increase ▁of ▁ ▁of ▁coal ▁at ▁specified ▁draft . ▁Prop ulsion ▁was ▁by ▁two ▁triple ▁expansion ▁steam ▁engines ▁with ▁cyl ind ers ▁of ▁, ▁ ▁and ▁ ▁diameter ▁and ▁a ▁ ▁stroke ▁with ▁steam ▁from ▁three ▁double ▁ended ▁Scot ch ▁bo ilers ▁driving ▁two ▁ ▁three ▁bl aded ▁prop ellers ▁with ▁ ▁mean ▁pitch ▁with ▁average ▁trial ▁speed ▁of ▁ ▁achieved . ▁ ▁Service ▁history ▁ ▁Atlantic ▁Fle et , ▁ 1 9 1 2 – 1 9 1 7 ▁Ass igned ▁to ▁general ▁col lier ▁duty ▁with ▁the ▁Atlantic ▁Fle et ▁in ▁September , ▁Or ion ▁remained ▁in ▁the ▁western ▁Atlantic ▁until ▁placed ▁in ▁reserve ▁at ▁Nor folk ▁on ▁ 9 ▁October ▁ 1 9 1 4 . ▁Re comm ission ed ▁on ▁ 2 8 ▁December , ▁she ▁continued ▁to ▁serve ▁the ▁Atlantic ▁Fle et ▁until ▁ordered ▁to ▁Cav ite ▁in ▁January ▁ 1 9 1 7 . ▁ ▁World ▁War ▁I , ▁ 1 9 1 7 – 1 9 1 8 ▁Or ion ▁was ▁at ▁Col ón ▁in ▁the ▁Canal ▁Zone ▁when ▁the ▁United ▁States ▁entered ▁World ▁War ▁I ▁in ▁April ▁ 1 9 1 7 . ▁Or ion ▁remained ▁there ▁until ▁ 2 1 ▁May , ▁then ▁returned ▁to ▁Nor folk , ▁wh ence ▁she ▁ste amed