Abstract
ABSTRACT Progress in the performance of advanced craft and the merits of various hull forms differ with respect to the technological maturity of each concept. Full‐scale, calm water trial data of speed and power for known displacement transport efficiency is used to compare the optimum performance of several hull forms such as planing, round bilge, stepped, catamaran and SES. Transport efficiency comparisons for a wide range of dimensionless speeds have been updated for trial results through the beginning of 1993. Trends that demonstrate increased transport efficiency are discussed when sufficient information is available to define resistance to weight ratios and overall propulsive efficiencies. Finally, data for useful load fraction, defined as the combination of payload and fuel weight relative to design full load displacement are presented for hard chine and SES craft.
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