SeaCart 30 Trimaran SeaCart 30 Trimaran The SeaCart 30 is a trimaran sailboat. A trimaran is a multihulled boat consisting of a main hull (vaka) and two smaller outrigger hulls (amas), attached to the main hull with lateral struts (akas). Since 2005 when the full carbon one design SeaCart 30 GP (Grand Prix) (SC30 GP) offshore Trimaran was introduced performance sailors have been enjoying flying two of three hulls. Rudders on the amas (pontoons) make handling swift and precise. The ultra light strong carbon construction and a non existing interour (can be added) plus extra large sailplan make the carbon GP model a
Junk rig running rigging which pulls up the junk sail are: The running rigging which pulls down on the junk sail are: The running rigging that sets or trims the junk sail (controls the angle of attack relative to the direction of the wind) is the "sheet". On a traditional Chinese junk rig, the sail is controlled by "sheetlets"—small sheet lines running from the battens to blocks that in turn are on lines running through a "euphroe," a long piece of wood with holes in it. This helps maintain uniform tension in each panel of the sail. Western ship designers Tom Colvin,