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Com Pac 23 Mk Iv
Designer: Clark Mills  ·  Builder: Com-Pac Yachts (Usa)  ·  First built: 1997
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About the Com Pac 23 Mk Iv

Building on Com Pac's legacy of practical coastal cruisers, the Mark IV represents the evolved iteration of this popular 23-foot design. This trailerable sailboat strikes an appealing balance between weekend cruising comfort and manageable single-handed sailing, making it particularly attractive to sailors seeking an accessible entry into coastal cruising. The design philosophy emphasizes traditional styling with modern conveniences, featuring a spacious cockpit that comfortably accommodates day sailing with family and friends. Below deck, the cabin layout maximizes the available space with thoughtful amenities for short-term cruising adventures. The boat's moderate proportions and well-balanced sail plan contribute to predictable handling characteristics that inspire confidence in developing sailors. Com Pac built a solid reputation for constructing robust, value-oriented sailboats that don't compromise on sailing performance. The Mark IV continues this tradition, offering reliable coastal cruising capabilities while remaining light enough for convenient trailering to different sailing venues. This versatility makes it particularly appealing to sailors who want to explore various waterways without the commitment of a permanent slip, representing an ideal compromise between cruising comfort and practical ownership considerations.

Core Dimensions
LOA (Length Overall) 23.92 ft / 7.29 m
LWL (Waterline Length) 20.17 ft / 6.15 m
Beam 7.83 ft / 2.39 m
Max Draft 2.25 ft / 0.69 m
Displacement 3,000.00 lb / 1,361 kg
Ballast 1,340.00 lb / 608 kg
Design & Construction
Hull Type Fin w/transom hung rudder
Rigging Type Masthead Sloop
Construction FG
Designer Clark Mills
Builder Com-Pac Yachts (USA)
First Built 1997
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Performance Ratios
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
44.67
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
163.21
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 3.38 pounds/inch
Rig Dimensions
I (Foretriangle Height) 19.28
J (Foretriangle Base) 9.42 ft / 2.87 m
P (Mainsail Luff) 250.00 ft² / 23.23 m²
E (Mainsail Foot) 163.21
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