Aspen power catamarans is the world leader in high speed displacement catamarans with an efficient power proa hull design. the company builds 28′, 32′, and 40 ft. inboard cruisers and yachts in a modern facility at the burlington airport business park just 5 minutes off i-5.. The catalac 8m is a pocket cruising catamaran which has a solid reputation for quality, strength and durability. many of the boats found in north america today, were sailed there from great britain.. The ultimate multihull design and building resource – catamarans and trimarans to 150 feet.