Para-foil Trawl doors

To the present invention is to provide a relates to the deployment plate, stable towing is possible while jeongaeryeok excellent trawl otter board, a body and a top plate formed on both side surfaces of the body and the bottom plate and, at regular intervals on the body with the installation foil and , the side of the half cylinder to the respective semi-cylindrical wherein the foil has a semicircular cross section contiguous in the otter board which is composed of vessels connected second link for the first link, and the net for connection formed on the body deploy the net and to characterized in that the continuously coupled to form, while the foil is a cross-sectionally semicircular this was to high Chemistry laminar flow the water flow of the otter board rear delay the release by a continuous bond to form a vortex is minimized, ensuring excellent jeongaeryeok stable trawl has the advantage of being able to offer expanded edition.