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Express 20 Killing
Designer: Steve Killing  ·  Builder: Goman Boats  ·  First built: 1980
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About the Express 20 Killing

Designed by Steve Killing and built by Goman Boats starting in 1980, this 20-footer represents a notable entry in the small keelboat category. The Express 20 combines moderate proportions with performance-oriented design characteristics that make it well-suited for both spirited daysailing and competitive racing in protected waters. With its fin keel and transom-hung rudder configuration, the boat offers responsive handling and good upwind performance. The fractional sloop rig provides versatility in sail handling while maintaining simplicity for single-handed operation. At 2,000 pounds displacement, the Express 20 strikes a balance between stability and performance, while the 186 square feet of sail area delivers adequate power in light to moderate conditions. The boat's comfort ratio of 11.19 indicates a relatively stiff, quick motion that favors performance over cushioned ride quality, making it ideal for sailors who enjoy active sailing rather than leisurely cruising. The capsize screening formula of 2.48 suggests good initial stability for coastal sailing in moderate conditions. Steve Killing's design philosophy emphasizes clean lines and efficient hull shapes, evident in this compact package that maximizes sailing enjoyment within trailerable dimensions. The fiberglass construction ensures durability while keeping maintenance requirements reasonable for weekend sailors.

Core Dimensions
LOA (Length Overall) 20.00 ft / 6.10 m
LWL (Waterline Length) 17.00 ft / 5.18 m
Beam 7.80 ft / 2.38 m
Max Draft 4.00 ft / 1.22 m
Displacement 2,000.00 lb / 907 kg
Sail Area (Reported) 186.00 ft² / 17.28 m²
Design & Construction
Hull Type Fin w/transom hung rudder
Rigging Type Fractional Sloop
Construction FG
Designer Steve Killing
Builder Goman Boats
First Built 1980
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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
18.79
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
181.73
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
11.19
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
2.48
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. 5.52 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
3.21
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. 473.79 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. 19.25
Rig Dimensions
I (Foretriangle Height) 22.40 ft / 6.83 m
J (Foretriangle Base) 7.60 ft / 2.32 m
P (Mainsail Luff) 24.80 ft / 7.56 m
E (Mainsail Foot) 8.50 ft / 2.59 m
SA Fore 85.12 ft² / 7.91 m²
SA Main 105.40 ft² / 9.79 m²
SA Total (100%) 190.52 ft² / 17.70 m²
Est. Forestay Length 23.65 ft / 7.21 m
How It Compares

vs. Balboa 20, Ensenada 20, Ranger 20

This boat Similar boats
Dimensions
LOA
Express 20 Killing ★
20.0 ft
Balboa 20
20.0 ft
Ensenada 20
20.0 ft
Ranger 20
20.0 ft
LWL
Express 20 Killing ★
17.0 ft
Balboa 20
17.5 ft
Ensenada 20
17.5 ft
Ranger 20
16.0 ft
Beam
Express 20 Killing ★
7.8 ft
Balboa 20
7.1 ft
Ensenada 20
7.1 ft
Ranger 20
7.9 ft
Displacement
Express 20 Killing ★
2 lbs
Balboa 20
1 lbs
Ensenada 20
1 lbs
Ranger 20
1 lbs
Ballast
Express 20 Killing ★
Balboa 20
450 lbs
Ensenada 20
550 lbs
Ranger 20
550 lbs
Performance
PHRF Rating (lower = faster)
Express 20 Killing ★
Balboa 20
276 s/nm
Ensenada 20
291 s/nm
Ranger 20
240 s/nm
Ballast / Disp (higher = stiffer)
Express 20 Killing ★
Balboa 20
26.5 %
Ensenada 20
34.4 %
Ranger 20
36.7 %
Displacement / Length (lower = lighter)
Express 20 Killing ★
181
Balboa 20
141
Ensenada 20
133
Ranger 20
163
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