The Sunday Cat is a nice daysailer with a 9 long cockpit. It has the Mastendr Plus Quick Rig Sailing System. I have to admit at first, that i thought it wouldnt work that well. But after using it for two years, can say you can raise and lower the mast with ease. Other people have noticed the same when Im in the launch area of the marina. They cant believe the ease, and time involved getting the boat ready. The sailboat is in excellent condition. Only have a couple pictures, but will take more pictures when it gets warmer out.
Equipment: The Sailboat has a small cuddy cabin, space for a port-potty, your gear, and as a temporary refuge during an unexpected rain shower. It also comes with a full boat cover, sail cover, and a tiller cover. Also added at the factory were two mid rail stainless steel cleats. It has a stainless steel retractable motor bracket. The motor is a Mercury 4 hp 4 cycle, and it is a 20 long shaft. It has an internal fuel tank, and also can be use with an optional remote fuel tank. The motor was serviced at the end of the season, and will include a copy of the invoice. The sell also includes a 2020 Magic Tilt galvanized 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 √LWLA 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)
A daysailer model (without the cuddy/cabin) is also available.
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