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Com Pac 35
Designer: Charles Morgan  ·  Builder: Com-Pac Yachts (Usa)  ·  First built: 1990
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About the Com Pac 35

Designed by renowned naval architect Charles Morgan and built by Com-Pac Yachts beginning in 1990, this 36.75-foot masthead sloop represents a thoughtful approach to coastal cruising and comfortable sailing. Morgan's design philosophy emphasizes seaworthiness and ease of handling, evident in the boat's moderate proportions and traditional lines. The fiberglass construction features a shoal keel configuration drawing just four feet, making this vessel particularly appealing for cruising grounds with shallow waters or challenging harbor entrances. With a displacement of 12,500 pounds and substantial ballast of 5,700 pounds, the design prioritizes stability and comfort over pure performance. The comfort ratio of 22.96 reflects Morgan's focus on creating a steady, motion-friendly platform for extended cruising. The 570 square feet of sail area provides adequate power while maintaining manageable sail handling, especially important for couples or short-handed sailing. A hull speed of 7.22 knots offers respectable passage-making capability, while the masthead sloop rig configuration ensures versatile sail options for varying conditions. This design suits coastal cruising and protected offshore passages, appealing to sailors who value comfort, stability, and traditional sailing characteristics over racing performance. The shoal draft opens up cruising destinations typically inaccessible to deeper-draft vessels.

Core Dimensions
LOA (Length Overall) 36.75 ft / 11.20 m
LWL (Waterline Length) 29.00 ft / 8.84 m
Beam 11.83 ft / 3.61 m
Max Draft 4.00 ft / 1.22 m
Displacement 12,500.00 lb / 5,670 kg
Ballast 5,700.00 lb / 2,585 kg
Sail Area (Reported) 570.00 ft² / 52.95 m²
Design & Construction
Hull Type Sheel Keel
Rigging Type Masthead Sloop
Construction FG
Designer Charles Morgan
Builder Com-Pac Yachts (USA)
First Built 1990
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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
 16.99
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
 45.6
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
 228.81
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
 22.96
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
 2.04
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 7.22 kn
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
 2.38
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. 1,225.83 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 16.99
Rig Dimensions
I (Foretriangle Height) 44.50 ft / 13.56 m
J (Foretriangle Base) 13.50 ft / 4.11 m
P (Mainsail Luff) 38.50 ft / 11.73 m
E (Mainsail Foot) 14.00 ft / 4.27 m
SA Fore 300.38 ft² / 27.91 m²
SA Main 269.50 ft² / 25.04 m²
SA Total (100%) 569.88 ft² / 52.94 m²
Est. Forestay Length 46.50 ft / 14.17 m
Engine & Accommodations
Engine Make Westerbeke
Engine Model 30B
Engine Type Diesel
Horsepower 27
Fuel Capacity 30 gals / 114 L
Water Capacity 75 gals / 284 L
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