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Sailboat Boom Vangs & HydraulicsHow-To Guides

Control leech tension and boom height with the right vang, from rigid to hydraulic systems. Learn how vangs and hydraulics shape your mainsail and improve boat handling.

  • Harken Dinghy Vang Boom Vang - 12:1 Lower Unit

    What is a boom vang?

    A boom vang applies downward force on the boom to control mainsail twist and leech tension, keeping the upper mainsail from spilling wind and preserving pointing ability and drive. MAURIPRO...

  • Harken Hydraulic Boom Vang - Single Acting -110B - Boat Size: 70.1 ft (21.3 m) & above

    Harken Vang-Master

    The Harken Vang-Master is a rigid, pneumatic (air-spring) boom vang that both pulls the boom down to control leech tension and holds it up when the mainsail is dropped, replacing...

  • Harken Block and Tackle Boom Vang, 4:1 single-ended purchase system

    Vang Master is now Harken Vang-Master

    The Vang-Master rigid pneumatic boom vang is now distributed by Harken as the Harken Vang-Master, so you get the same air-spring vang with faster availability and Harken-backed support. It replaces...