Patent ID: 8516972
Filing Date: 2013-08-27
Classification: B63H

Abstract:
1. A profile sail boom for a sail, in particular for a batten mainsail of a boat to be aerodynamically trimmed, which optionally has at least one head sail in front of a mast, comprising: the profile sail boom including a thin upright-shaped vertical spar for mechanical coherence and for vertical bending stiffness with low horizontal resistance, from which at a lowermost point in an approximately 90° transverse position on both sides, a plurality of transverse webs separated by wedge-shaped spacer joints extend over a total length of the profile sail boom and guide surfaces and the profile sail boom has a symmetrical cross-sectional shape over the vertical mid line, wherein high-strength cords laminated-in at a lowermost and uppermost point of the spar run and guiding tubes laminated-in through the outer ends of the transverse webs are provided, through which longitudinally displaceable cords are guided.