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Hauling Devices For Beachlanding Craft - BOBP/WP/51

Year of publication 1986

Place of publication Rome, Italy ;

Pages p.13

Author A. Overa & P.A. Hemminghyth

Product type Project

Edition 1

Synopsis (short abstract) This paper describes mechanical hauling devices for beachcraft developed and tested by the small-scale fisheries project of the Bay of Bengal Programme (BOBP) in India and Sri Lanka. The paper records the project’s experiences with beach-hauling devices from 1980 till 1985. A diesel engine-driven winch capable of hauling boats up to a weight of about 1500 kg was introduced and is now manufactured commercially. A problem that still awaits solution is that of suitable rollers underneath the hull t o reduce friction drag. The trials have shown that for larger craft and rough conditions, more complicated multi-speed winches are required. Besides the authors, those who took part in the work included Mr. Oyvind Gulbrandsen, Naval Architect (Consultant), who designed and tested the manually operated capstan; Mr. R. Ravikumar, Naval Architect; Mr. S.O. Johansen, BOBP Naval Architect (Associate Professional Officer); Mr. S.B. Sarma, Inspector of Fisheries, Andhra Pradesh; and Mr. E. Sriniva san, Inspector of Fisheries, Tamil Nadu Numerous fishermen also participated in the trials. The work on beachhauling devices, and this paper describing the work, were sponsored by the small-scale fisheries project of the BOBP.

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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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