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As an open class rather than a one-design, all boat designs must meet the following formula. [3] + + (all measurements in mm) L = the "corrected" length of the hull (see rule D.6.3) d = the midship girth difference (see rule D.6.4)
The equation incorporates SA/Disp (100% fore triangle) and Disp/length ratios to create a guide to probable boat performance vs. other boats of comparable size. For boats of the same length, generally the higher the S#, the lower the PHRF.
29 Ιουν 2010 · There are two major dimensions of a boat hull: The length of the hull L H and length of waterline L WL . The following consist of arbitrary values to illustrate a calculated example. L H = 12.20 L WL = 12.00
Use 6.0 to 6.5 as a target for LDR in a glass-sandwich built cruising catamaran. To adjust LDR and fully loaded displacement mLDC, change the length/beam ratio of hull, LBR. We can now estimate our empty boat displacement (kg): mLCC := 0.7 ⋅ mLDC. mLCC = 4995.
define boat dimensions and calculate boat parameters. explain factors interacting stability. evaluate stability of a sail boat using Dellenbaugh method. explain and estimate elements of sail boat performance. estimate boat speed and power requirements. explain structure and content of lines drawing. prepare a proposal concept design.
HOW TO DIMENSION A SAILING CATAMARAN? This article is to help starting a catamaran design prosess. At the end of the day, the performance of a sailing catamaran is dependent on three main dimension: length, sail area and weight. More waterline length means a faster boat, more sail area means a faster boat and less weight means a faster boat.
29 Ιουν 2010 · This page contains notes on boat hull design goals and an accompanying page from Terho Halme has mathematical formulas used in actual catamaran hull design. It has become a popular research stop and an important reference to the catamaran design community.
