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
Pontoon bridge points. The "Palsey Pontoon" lasted until 1836 when it was replaced by the "Blanshard Pontoon" which comprised tin cylinders 3 feet wide and 22 feet long, placed 11 foot apart, making the pontoon very buoyant. The pontoon was tested with the Palsey Pontoon on the Medway. An alternative proposed by Charles Pasley comprised two copper canoes, each 2 foot 8 inches wide and 22 foot long and coming in two sections which were fastened side by side to make a double canoe raft. Copper was used in preference to fast-corroding tin. Lashed at 10 foot centres, these were good for