Tommy Sopwith ' s great endeavour , a race of his own in the Serpentine . Little Tommy Sopwith , the 22 month old son of Mr and Mrs Tom Sopwith , upon whom the attention of the whole world is focused as they challenge America ' s hold on the America ' s Cup , the world ' s most famous yachting trophy , spent Sunday afternoon at the Serpentine in Hyde Park sailing his model yacht , which he has named the ' Endeavour '. He hopes to be a yachtsman like his Daddy . Photo shows , Little Tommy Sopwith with his model yacht by the Serpentine Lake in Hyde Park . 16 September 1934