... affect the fuel efficiency of a small fishing vessel. The underwater form of the hull at the stern, in particular the area around and just forward of the propeller aperture, affects how efficiently ... form of the nozzle helps to balance these forces into a net forward thrust, which can account for as much as 40 percent of the total thrust from the propeller and nozzle combined. This effect ... 1982todevelopsmalloffshoreboatsinShriLanka.Besidesdevelopingtheseboats,thesubproject,asafollow-up,dealtwiththeproblemofsafetyatseaandofferedadviceonsearch-and-rescue for theoffshorefisheries.Variousstudies,...