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Standard features
Brand New 2021 Sunday Cat available for May Delivery!
Dark Blue Hull with White Waterline Stripe and Red Bottom will look fantastic. Blue Sail Cover, Mastendr Quick Sailing System, 9 ft. Cockpit, Mid-hull Rubstrake, Electrical Package, Transom Boarding Ladder and Custom Trailer.
Photos are provided by the Com-Pac
INFO:
9 ft. long cockpit has lots of room for the whole family. Two cockpit seat lockers and a fuel tank storage locker provide space for gear. Small Cabin has lots of space for a porta-potty and additional gear. Can provide refuge during unexpected rain shower. Mastender Quick Sailing System allows you to raise and lower the mast from the cockpit. The Boom, Sail and Gaff Stay Rigged on the boat at all times. Beautiful dark Blue Hull, White Waterline Stripe and Red Bottom looks Great Transom boarding Ladder Blue Sail Cover Electrical Package includes Navigation, Cabin and Anchor Lights Mid-Hull Rubstrake with Stainless Striker Plate Custom Trailer
The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.
SA/D = SA ÷ (D ÷ 64)2/3
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
Ballast / Displacement * 100
A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.
CSV = Beam ÷ ³√(D / 64)
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