236 Boom Vangs Hydraulic vangs change the height of the boom to help control sail shape. They also function as a topping lift to hold the boom up when reefing and to keep it level when the sail is flaked. Harken offers a full range of vang cylinders. The HYCV single-acting gas return is the standard vang used for most boats. Double-acting push/pull vangs can be custom ordered. Megayacht Double-Acting Boom Vangs For larger yachts with heavier booms, Harken offers more powerful push/pull double-acting vangs. Today’s ever-larger, stiffer hull structures and heavier roller-furling booms dramatically increase compression loads on megayacht boom vangs. This can result in cylinder rods buckling. Harken helps prevent this by transferring loads to the outer housing tube, eliminating the load on the rod. Please contact Harken for more information on these designs. Ordering Boom Vangs All vangs are made to order. Specify desired PCLC (pin center length closed) in millimeters rounded to the nearest 10mm. Standard vangs are black hardcoat-anodized aluminum with rod clevis and cylinder end clevis. Action Type G = Double-acting vang V = Single-acting vang Bore Diameter (mm) Rod Diameter (mm) Stroke Length (mm) Materials B = Black hardcoat-anodized aluminum C = Clear-anodized aluminum P = Painted aluminum Rod End Fittings C = Clevis Cylinder End Fittings C = Clevis PCLC (mm) H Y C V 04 0 22 0 2 5 5 B C C XXXX Boom Vang Cylinder Part Number Double-acting vang cylinder MEGAYACHT BOOM VANGS Single-acting vang cylinder STANDARD BOOM VANGS NEW
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