In 1953, after long studies into the records of boats of the Pacific in the libraries and museums of Britain, and inspired by Eric de Bisschop's book The voyage of the Kaimiloa, "Master multihull sailor and designer James Wharram celebrates historic Atlantic crossing", m15 September 2015, ysailing.com.au he designed and built the first British ocean-going double-canoe-catamaran, the Tangaroa (length 23 feet ) and in 1955–56 sailed with Jutta Schultze-Rohnhof and Ruth Merseburger, "Â £200 Boat Prepares To Cross The Atlantic", 1955, British Pathé "Ruth Wharram", Obituary, September 6, 2013, SAILfeed.com across the Atlantic to Trinidad – the beginning of cruising and transatlantic crossing with a catamaran. [