med ▁and ▁s unk ▁by ▁SS ▁Hamb ourn ▁in ▁the ▁English ▁Channel , ▁ 2 6 ▁March ▁ 1 9 1 7 . ▁ ▁, ▁launched ▁ 2 0 ▁December ▁ 1 9 0 0 , ▁sold ▁for ▁breaking ▁up ▁ 1 4 ▁September ▁ 1 9 2 0 . ▁ ▁, ▁launched ▁ 2 9 ▁December ▁ 1 8 9 9 ▁and ▁purchased ▁in ▁July ▁ 1 9 0 1 , ▁sold ▁for ▁breaking ▁up ▁ 2 3 ▁March ▁ 1 9 2 0 . ▁Arab ▁( built ▁by ▁J ▁& ▁G ▁Thom son , ▁C ly de bank ▁as ▁a ▁high - speed ▁" special " ▁under ▁the ▁ 1 8 9 6 – 9 7 ▁programme ) ▁ ▁, ▁launched ▁ 9 ▁February ▁ 1 9 0 1 , ▁sold ▁for ▁breaking ▁up ▁ 2 3 ▁July ▁ 1 9 1 9 . ▁Cob ra ▁( built ▁by ▁Arm strong ▁Whit worth , ▁El sw ick ▁as ▁a ▁steam - t urb ine ▁power ed ▁" special ") ▁ ▁, ▁launched ▁ 2 8 ▁June ▁ 1 8 9 9 ▁and ▁purchased ▁ 8 ▁May ▁ 1 9 0 0 , ▁w reck ed ▁while ▁on ▁delivery ▁voyage ▁ 1 9 ▁September ▁ 1 9 0 1 . ▁Pal mers ▁final ▁group ▁( ste am ▁tur bine ▁power ed ) ▁ ▁, ▁launched ▁ 9 ▁October ▁ 1 9 0 6 ▁and ▁purchased ▁ 3 ▁May ▁ 1 9 0 9 , ▁sold ▁for ▁breaking ▁up ▁ 1 ▁August ▁