FULL TEST: New Seawind 1160XL featuring 50hp Outboards
December 18, 2025
Testing the Seawind 1160 XL: Can Outboards Power a 40ft Cruising Cat?
The latest Seawind 1160 XL represents a bold evolution in cruising catamaran design, breaking new ground by pairing a 40-foot platform with twin 50 horsepower Yamaha high-thrust outboard engines challenging conventional thinking about propulsion systems for cruising catamarans.
Brent Vaughn from Multihull Central recently put the new XL through comprehensive testing on Sydney Harbour, evaluating both power and sailing performance with real-world data. The results suggest that outboards may be a more viable option for cruisers than many sailors realize.
Design Improvements
The new generation XL builds upon the innovative foundation of the classic Seawind 1160, retaining the signature tri-folding door system that revolutionized open-plan living on cruising cats. However, the XL introduces substantial improvements throughout. The hull features 60 millimeters of extra beam through the keel, creating more spacious companionways and living areas. More upright saloon windows increase headroom, while flat decks provide greater volume in all cabins, from the forward berths to the wider, higher aft cabin.
Safety enhancements include flat, wider side decks with 800-millimeter-high safety rails, making forward access significantly safer. The carbon-reinforced forward beam adds stiffness, while raked bows push buoyancy forward, lifting the front beam 250 millimeters higher off the water for improved clearance and windward performance.
The Outboard Advantage
Outboard motors offer compelling benefits for cruising sailors. Each 50 horsepower outboard weighs 40 kilograms less than equivalent 30 horsepower diesel saildrives, contributing to better overall performance. They’re also substantially cheaper to purchase and install, with lower replacement costs down the line. Maintenance is simplified without seals or antifouling concerns, and propellers remain pristine. Perhaps most significantly, outboards can be raised while sailing, eliminating drag entirely.
Real-world validation comes from experienced cruisers who sailed from Australia to Greece with outboards. They report flawless performance and describe the sailing experience as “blissful” once the motors are lifted, with the freedom of drag-free sailing outweighing any concerns about the propulsion system.
Performance Results
Under power, the twin 50-horsepower Yamahas delivered impressive results, accelerating the XL to 9.1 knots at full throttle—remarkable performance that one tester compared to a speedboat. At cruising revs around 3,100 RPM, the boat maintained a comfortable 7.3 knots.
Sailing performance proved equally impressive. With a sail area to displacement ratio of 22.6, the XL demonstrated strong upwind capabilities, pointing at 40 degrees apparent wind angle while maintaining eight knots, touching nine knots regularly. Reaching speeds exceeded 10 knots on working sails alone, suggesting even greater potential with a screecher.
For cruisers seeking the right balance between capability and practicality, the Seawind 1160 XL with outboards offers a compelling solution that delivers both performance and simplicity.
Note: The Seawind 1160XL is also available with twin 29hp Yanmar Diesel Sail Drives as a factory optional extra.