. Commercial fisheries review. Fisheries; Fish trade. 30 HOW LAKE SUPERIOR GILL NET VESSEL WAS CONVERTED TO TRAWLER By Warren Handwork* In Lake Michigan and Lake Erie, trawling is an efficient method for catching some spe- cies of commercial fish--smelt, chubs, and alewife. Vessels now used for trawling in the Great Lakes are mostly converted gill net vessels. (Gordon and Brouillard (1961) and Gordon (1962) described conversion methods,) Experimental trawling was one part of an Economic Development Administration- Technical Assistance Project by the Bureau of Commercial Fisheries to help the c
. Commercial fisheries review. Fisheries; Fish trade. 30 HOW LAKE SUPERIOR GILL NET VESSEL WAS CONVERTED TO TRAWLER By Warren Handwork* In Lake Michigan and Lake Erie, trawling is an efficient method for catching some spe- cies of commercial fish--smelt, chubs, and alewife. Vessels now used for trawling in the Great Lakes are mostly converted gill net vessels. (Gordon and Brouillard (1961) and Gordon (1962) described conversion methods,) Experimental trawling was one part of an Economic Development Administration- Technical Assistance Project by the Bureau of Commercial Fisheries to help the com- mercial fishing industry of Lake Superior. Under this project, two gill net vessels were. FTER CONVERSION Fig. 1 - The A. E. CliHord. modified into trawlers to determine the feasi- bility of trawling for smelt, small chubs, and other underutilized species. This paper re- ports on the conversion of the "A. E. Clif- ford," a 45-foot, steel, gill net vessel opera- ting out of Ontonagon, Michigan (fig. 1). VESSEL CONVERSION The A. E. Clifford was converted into a trawler in June 1966. The conversion fea- tures a minimum of structural alterations — but allows the vessel to function either as a stern trawler or a gill netter. No portion of the superstructure was removed, so the ves- sel retains the enclosed deck. The only structural modification was the installation of a hinged hatch cover for an opening cut in the top deck at the stern. The 4-foot square opening facilitates hoisting trawl catches aboard (figs. 2 and 3). Trawling equipment installed on the main deck in no way inter- feres with gill netting. The A. E. Clifford's principal dimensions are: length overall, 45 feet; beam, 12 feet 10 inches; and draft, 6 feet. The vessel has a 120-horsepower diesel engine, which drives a 42-inch diameter by 38-inch pitch propeller through a 2:1 reduction gear. The vessel's cruising speed is 10 miles per hour. A 5- kilowatt generator supplies alternating cur- rent to lights
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Keywords: ., book, bookcentury1900, booksubjectfisheries, booksubjectfishtrade
