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Technical Trials of Beachcraft Prototypes in India - BOBP/WP/7









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    Pivoting Engine Installation For Beachlanding Boats - BOBP/WP/44 1986
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    This paper describes the efforts to develop an appropriate engine installation for boats designed and developed for fishermen in India and Sri Lanka operating from surf ridden beaches. These boats have to negotiate rough surf conditions for most part of the year with breaking waves up to two metres in height. The paper details the different types of pivoting engine installations tried out with air-cooled and water-cooled engines of different makes. The problems faced, the improvements made and the conclusions derived are set out. It also includes a detailed description of an installation. The detailed drawings are available with BOBP and may be obtained on request. The work on engine installations described in this paper was carried out by the small-scale fisheries project of the Bay of Bengal Programme (BOBP) as part of its beachcraft development project. It began in 1980. The first trials were conducted from a beach just outside Madras and were reported in BOBP/WP/7 “T echnical Trials of Beachcraft Prototypes in India.” The original concept of the pivoting engine box was conceived by 0. Gulbrandsen (Naval Architect Consultant) who also designed the first prototype. Further development described in this paper was done by the authors, assisted by BOBP Associate Professional Officers P.A. Hemminghyth (Marine Engineer) and SO. Johansen (Naval Architect), counterpart officers S.B. Sarma (Andhra Pradesh), E. Srinivasan (Tamil Nadu) and G. Patrick (Colombo). G. Gowing (Surf Crossing Consultant) from Australia also contributed several useful ideas. Trials were carried out in Tamil Nadu, Andhra Pradesh and Orissa in India and Sri Lanka. Another BOBP document of direct relevance to the subject described in this paper is BOBP/WP/45 “Further Development of Beachlanding Craft in India and Sri Lanka.”
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    Commercial Evaluation Of Ind-13 Beachcraft At Uppada, India - BOBP/WP/26 1984
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    Traditional craft operating from open beaches account for the bulk of fish landings on the east coast of India. The difficulties of operating from surf-beaten beaches, the technical limitations of the existing craft and the constraints they put upon the expansion of the fishery and upon the scope for improvement in the wellbeing of the fishermen have been described many times. The requirements for a craftof better performance and economicpotential are, briefly, that the new craft should have a s urf-crossing performance comparable to that of the traditional kattumaram, with a minimum tendency to broach and capsize; it should be strong enough to withstand heavy landings on surf-beaten beaches, but at the same time be capable of easy and quick handling up and down the beach; and it should provide more protection for crew and catch than existing craft. Most important, it should possess greatercarrying capacity and be able to operate at greater distances from the coast in order to increase the catching potential, and these various requirements must be met without incurring added costs of construction and operation that would absorb all of any increase in earnings thus achieved. The Bay of Bengal Programme designed and built a number of prototype beachcraft intended to meet these requirements and tested their surf-crossing and beachianding performance, as described in BOBP/WP/7: Technical Trials of Beachcraft Prototypes in India. The best of the orthodox boat designs, IN D—13, wasselected for evaluation in commercial fishing conditions. This working paper describes the trials, and presents the results.
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    Further Development Of Beachlanding Craft In India And Sri Lanka - BOBP/WP/45 1986
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    This paper describes eight new prototypes of beachlanding craft developed by the small-scale fisheries project of the Bay of Bengal Programme (BOBP). It also describes the technical trials of the craft with emphasis on surf crossing abilities. This working paper is a sequel to BOBP/WP/7, “Technical Trials of Beachcraft Prototypes in India” which described BOBP’s first trials of four prototypes.

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