What quad outboards reveal about prop efficiency.

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BoatTEST - On The Water Newsletter

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De Antonio D60

Power Without Clutter

De Antonio D60

OUTBOARDS, OUT OF SIGHT At 60’6” (18.5 m) with a 17’2” beam, the D60 is the flagship of De Antonio’s range. Four hidden outboards, up to 2,400 hp combined, sit beneath the aft sunpad to preserve clean deck lines while delivering speeds to 46 knots. She carries 977 gallons of fuel, cruises around 30 knots, and offers 2–3 cabins below for extended stays.

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Schaefer Yachts V33 Sport Fish

A Capable 33 Footer

Schaefer V33 Fishing Video

FISH FIRST, FLEXIBLE The Schaefer V33 Sport Fish pairs a clean, modern hull with a layout aimed squarely at offshore action. Wide walkarounds, multiple livewells, and in-deck fish boxes support active fishing, while convertible bow seating, a compact cabin, and head let her switch gears easily when the rods come down.

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BoatTEST Featured Pre-Owned Vessels

Pre-Owned Yacht Spotlight

2014 Beneteau Swift Trawler 44

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BUILT FOR COMFORTABLE MILES This 2014 Swift Trawler 44 combines practical cruising range with a layout that works day after day. Twin Volvo D4 300s with straight shafts, bow and stern thrusters, and a semi-displacement hull support confident handling and steady passage speeds. Two cabins, two heads, a generous salon, and an enclosed cockpit make her well suited for extended coastal cruising.

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Sovereign Boat Fleet

Axopar 28, On Your Schedule

Axopar 28 Cabin

THE MATH WORKS The Axopar 28 helped kick off the modern Euro-design wave, and she’s still one of the most engaging boats to drive in this size range. For a limited number of Sovereign Boat Club members, this boat is available eight guaranteed days per month, at about $170 per outing. Choose a 6- or 12-month program and enjoy consistent access without ownership overhead. Based in Bradenton/Cortez.

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Aqua Map's New Auto-Routing Feature

A Planning Tool, Not Autopilot

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CHECK EVERY WAYPOINT Route planning apps have promised shortcuts for years. Aqua Map’s new auto-routing takes a more cautious approach, pulling from NOAA, USACE surveys, and trusted tracks to sketch workable routes in seconds. It is fast, adjustable, and still demands a skipper’s judgment. This piece shows where it helps most and where human eyes still matter.

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Sharrow Props Tested on a Quad

Efficiency at Scale

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FOUR ENGINES, REAL DATA Sharrow propellers have shown gains on single, twin, and triple outboard setups. This test pushes them further, bolted to an Everglades 435 running quad Yamaha 425 XTOs. The results focus on what matters offshore: mid-range efficiency, range, slip, and control. In a boat that burns serious fuel, even modest percentage gains quickly turn into meaningful miles.

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