Very clean 2006 Com-Pac Sun Cat 17 with 5 HP Honda Four Stroke on trailer. Well equiped and ready to launch and sail anywhere! We’ve enjoyed sailing this head turner in Narragansett Bay, Buzzards Bay, Saco Maine and the Connecticut River. Easy to maintain, tow, rig, launch and retrieve at any boat ramp. Shoal draft with centerboard, maneuverable and stable, but quick in all wind conditions. Spacious cockpit and cuddy cabin with full size V-birth, porta-potti, storage, lighting and ventilation for day sails or cozy overnights. Includes 2021 Garmin Echomap UHD 64CV Chartplotter and Sonar Combo mounted inside cabin bulkhead on swing-arm as well as navigation lights and anchor. Bottom completely stripped and refinished 2020.
Equipment: Anchor and rode, boathook, life jackets, paddle, docklines, Doyle mainsail,original heavy duty bunk trailer in excellent condition
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)
A daysailer model (without the cuddy/cabin) is also available.
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