Eastern Shipbuilding delivers another for HOS

Written by Nick Blenkey
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HOS Riverbend

FEBRUARY 10, 2014 — Eastern Shipbuilding Group’s long series of ten OSVs and two MPSVs for Hornbeck Offshore Services continues to roll right along. As we reported earlier, Eastern’s Allanton Shipyard, Panama City, FL, last month launched the shipbuilder’s second vessel in Hornbeck Offshore’s 302 ft x 64 ft x 26 ft HOSMAX 310 class series. Now Eastern reports that the fourth and final vessel in the 292 ft x 64 ft x 24 ft 6 in HOSMAX 300 class, HOS Riverbend, has been delivered ahead of schedule.

The 5,650 dwt HOSMAX 300 series vessels are diesel-electric powered, twin Z-drive propelled OSVs. They feature four Caterpillar 3516C 16-cylinder turbo-charged Tier III diesel generator engines each rated at 1,825 kW at 1,800 rpm. Main propulsion power is provided by two Hyundai 2,500 kW 690VAC electric motors, supplied by GE Energy, driving two Schottel SRP 2020 FP Z-Drives with nozzles rated at 2,500 kW at 1,025 rpm each for a total of 6,704 hp. Schottel also provides two STT 4 fixed pitch tunnel thrusters rated at 1,180 kW at 1,170 rpm, each with direct coupled Hyundai 690VAC electric motors.

GE Energy Power Conversions provides the complete system integrated diesel electric package, including the propulsion and thruster drives, motors, control systems, DP system, switchboards, motor control centers, automation and navigation/communication electronics.

These vessels are capable of a cruising speed of 12 knots.

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