Double racing boat, has elongated body extending into pointed nose and pointed tail, and waterline of specific length and specific weight, where waterline is divided into ten equal length segments

摘要

The boat has an elongated body extending into a pointed nose (3) and a pointed tail (4), and a waterline (WL) of a length of about 9153 mm with tolerance of about 5 percentages. The waterline has weight of about 173 kg in a loaded condition and is divided into ten equal length segments. A taper lead angle of about 4.3 degrees is formed between the nose and the waterline. A taper lead angle of about 6.6 degrees is formed between the tail and the waterline.