Page 35: of Marine News Magazine (July 2016)

Propulsion Technology

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PROPULSION: TEST DRIVE

Helm Station “We were most de? nitely impressed with the intuitive, easy-to-use joystick control.” “It is all about propulsion ef? ciency and productivity for the yards, design- ers and operators. This is a fantastic move for us and our customers,” said

Jakob Ursby, strategy manager for Vol- vo Penta’s Marine Commercial sector.

The IPS design features forward- facing twin counter-rotating propel- lers which are mounted beneath the hull. As the propellers operate in un- disturbed water, they cause less drag, which Volvo Penta claims improves performance and fuel consumption by up to 30% compared to traditional inboard engines. Features of the type approved IPS15 package include: • Improved materials for heavy-duty commercial use.

• Reduced ratio of weight and hydrodynamic resistance.

• Reduced ratio of hull insert size.

• Optimized backpressure with 6-inch exhaust system.

• A new propeller series (N) custom ? t for the system.

• Improved maneuverability with increased steering angle at low speed.

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Marine News

Marine News is the premier magazine of the North American Inland, coastal and Offshore workboat markets.