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Performance of Hatteras GT70

Hatteras GT70 hits 41 knots on the pins with its pair of 2,600 hp MTU M96 engines

July 7, 2015
Hatteras GT70 - Hatterascal

Hatteras GT70 – Hatterascal

The folks at Hatteras are excited to be back on top of the game with the GT70 and its performance on the fishing grounds. The GT70 is stable at cruise and very comfortable on the bridge and below. She backs faster than most anglers could ever wind, and she can spin and back with enough agility to catch plenty of blue marlin. Photo Courtesy Hatteras Yachts Courtesy Hatteras Yachts
Engine Room of the Hatteras GT70

Engine Room of the Hatteras GT70

The engine room houses the twin 2,600 hp MTU M96 engines and there are two 21.5 kW generators along the aft bulkhead. Photo Courtesy Hatteras Yachts Courtesy Hatteras Yachts
Performance of the Hatteras GT70
The Hatteras GT70 wasted no time in getting on plane with her twin 2,600 hp MTU M96 engines pushing her along swiftly to speed. Pushing the throttles up, she responded and clipped along smartly at 30.5 knots at 1,900 rpm and a 73 percent load with a fuel burn of 162 gallons per hour. Backing her down to a slow cruise at 1,700 rpm, she ran along at 25.8 knots, burning 120 gallons per hour at a 66 percent load, an easy lope for the engines and the boat. Her long-range chugging ability and multitude of bunks make her a nice travel boat. At 800 rpm, she slips along at 10.4 knots, burning 14.4 gallons per hour. Dropping down to trolling speed, she’s pretty clean in the wash; on trolling valves, she can really sneak around, with plenty of clean water to show a fish a bait or two. Conversely, she has some speed at the top end that is noteworthy for a rig this big. At 2,100 rpm, she’s burning 188 gallons per hour, making 35.2 knots; at 2,300 she clips along at 38.3 knots. On the pins, she flew along at 41 knots, impressive for her girth and mass. — Adapted from Boat Review: Hatteras GT70 by Capt. Karl Anderson
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