The team at specmar australia supply professional boat builders with plate aluminium cutting files for router or plasma cutting their vessel from their nearest one steel aluminium supplier*.. This is the aluminium boat plans free download woodworking plans and projects category of information. the lnternet’s original and largest free woodworking plans and projects video links.. Each patrol boat has a length of 56.8 metres (186 ft), a beam of 9.7 metres (32 ft), a draught of 2.7 metres (8.9 ft), and a standard displacement of 300 tons. the hull is of the semi-displacement vee type, and is fabricated from aluminum alloy. the ship is designed to a combination of det norske veritas standards for high-speed light craft and ran requirements: much effort went into avoiding.