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Introduction: History & development of fishing crafts. Traditional fishing crafts of India. Classification of fishing crafts based on fabrication dimension, nature of fishing, depth of operation. History & development of mechanization of fishing crafts. Basic geometric concepts and important terminologies of fishing vessel. Form coefficients, properties of irregular shapes Calculation of longitudinal and transverse sectional area of fishing craft by using Trapezoidal rule and Simpson’s rules. State of equilibrium; Volume of displacement; centre of gravity (CG); centre of buoyancy (CB); vertical centre of gravity (VCB); longitudinal centre of gravity (LCB). Stability of fishing vessels-longitudinal and transverse. Various equilibrium of ships-stable, unstable and neutral; Light weight, Dead weight, Tonnage system; Gross Registered Tonnage (GRT), Net Registered Tonnage (NRT). Boat building materials: Choice of construction materials: Wood, properties, advantages and disadvantages. Deck fitting. Maintenance oif fishing vessels. Fouling and boring organisms; seasoning and preservation of wood. Constructional details of boat: Offset tables; Mould lofting; Backbone assembly of wooden boat. Constructional details of Steel, FRP, Ferro Cement and Aluminum boats.
Introduction of Outboard and inboard engines.
Studies on traditional fishing crafts; Introduction to drawing and drawing instruments; Lettering, Geometrical construction, Curves. Projections; Projection of points, planes and Projection of solids; lines plan drawing; Drawing of back bone assembly; U & V bottom hull of wooden boat; General view of boat; Drawing of sheer plan, body plan and half breadth plan; Types of marine engines and their installation of engines. Visit to boat building yard and dry dock.
1. Jan-Olf-Traung. 1992. Fishing Boats of the World. Volume 1,2& 3. Food and
Agriculture Organization of the United Nations. Published by Fishing News Books Ltd, England.
2. John Fyson (ed.). 1985. Design of Small Fishing Vessels. Food and Agriculture Organization of the United Nations. Published by Fishing News Books Ltd, England.
1. Antony Hind, J. 1982. Stability and Trim of Fishing Vessels. Food and Agriculture Organization of the United Nations. Published by Fishing News Books Ltd, England.
2. Subramaniam, H. 1995. Ship Stability. Volumes 1, 2 & 3. Vijaya Publications Ltd. Mumbai.
Theory 7. Hull Protection method and construction of boat from different building materials
School of Fisheries Centurion University of Technology and Management (CUTM) Paralakhemundi- 761211 Odisha, INDIA Cleared ICAR – ASRB NET in FISHERIES RESOURCE MANAGEMENT B.F.Sc. (Fisheries Science)- 2013, College of Fisheries, Mangaluru, Karnataka Veterinary, Animal and Fisheries Sciences University (Bidar), Karnataka, India M.F.Sc. in Department of […]