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Designer and builder answers questions about all boats and boating

SHANNON DEFIANCE 46

The Shannon Defiance 46’ is available with a flybridge or as a hardtop or extended hardtop, both with large opening sunroofs. The Shannon Defiance 46 is the solution for powerboat owners seeking to be environmentally conscientious and reduce their carbon footprint.

With its patented hull design licensed by SRD Hull Tech, and proven prototype seatrials, the Shannon Defiance 46’ is able to provide exceptional fuel economy. At 8kts/10mph the Shannon Defiance 46’ obtains almost 2 miles per gallon. And at 20kts/24mph knots, the Shannon Defiance 46' provides over 1.5 miles per gallon. The fuel efficiency of the Shannon Defiance 46’ translates into 40% less fuel burned, increased range and a significant reduction in pollution. And the Shannon Defiance 46’ can reach speeds of 20kts/24mph or greater depending on engine horsepower.

Each Defiance 46 is built by New England craftsmen for a specific owner with a custom range of interior and deck configurations, plus choices of propulsion packages including single or twin diesels and Shannon’s exclusive 3PROP system for the ultimate in close quarter maneuverability and “green” efficiency.

CUSTOM INTERIORS EXTERIORS GALLERY SPECIFICATIONS THE SRD HULL TECHNOLOGY DESIGN COMMENT BY WALT SCHULZ SRD VIDEOS DEFIANCE 46 VIDEOS