Preparing new ' Endeavour II for her trials . Her 170 foot steel mast stepped , Endeavour II , Mr T O M Sopwith ' s new steel racing yacht , is being prepared on the slips at Gosport Hampshire , for her trials . If her ter tests are successful it is anticipated Mr Sopwith will challenge for the Africa ' s Cup in 1937 . Photo shows , Endeavour II , her steel mast , stepped being prepared for her trials on the slips at Gosport . 20 June 1936