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Force 5

Designer: Fred Scott, Jack Evans  ·  Builder: Amf Alcort, Weeks Yacht Yard  ·  First built: 1972
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About the Force 5

Designed by Fred Scott and Jack Evans in 1972, this compact single-handed dinghy became one of the most popular small sailboats in America, with over 15,000 units produced by AMF Alcort and Weeks Yacht Yard. The Force 5's fiberglass construction and modest 140-pound displacement make it an ideal trainer and recreational sailing dinghy for protected waters, small lakes, and coastal areas with moderate conditions. The boat's distinctive catboat rig features an unstayed mast supporting 91 square feet of sail area, creating a simple yet efficient sailing setup that's particularly appealing to beginners and sailing programs. This configuration eliminates the complexity of stays and shrouds while providing plenty of power for its lightweight hull. With a daggerboard centerboard system and shallow 3.16-foot draft, the Force 5 can access shoal waters and beach easily. Its high sail area-to-displacement ratio of 54.03 delivers spirited performance in light to moderate winds, though the relatively high capsize screening value suggests caution in stronger conditions. The Force 5 excels as a day sailor, sailing trainer, and small boat racing platform, offering an accessible entry point into sailing while providing enough performance to keep experienced sailors engaged in casual sailing and club racing scenarios.

Market Price Estimate Beta
Small sample size. This estimate is based on fewer than 5 listings and may not be representative of the true market. Use with caution.
$1,500 – $1,500
typical asking price
Median $1,500  ·  1 listing used
All listings
$1,500 – $1,500 1
Rate a listing price
$
About this estimate
  • Prices are based on recent asking prices from public listings — not actual sale prices, which are typically lower.
  • Condition is not factored in. A well-maintained boat with new sails and engine can be worth significantly more than a project boat of the same model.
  • Location affects price. Boats in landlocked states or areas with fewer buyers often sell for less than those on the coast.
  • Year of manufacture is not filtered. Older examples of this model will generally be priced lower than newer ones.
  • Included equipment varies widely. A boat with a full suite of electronics, dodger, and new standing rigging may command a large premium.
  • Outliers are automatically excluded using statistical filtering to improve accuracy, but some bad data may remain.
Core Dimensions
LOA (Length Overall) 13.87 ft / 4.23 m
LWL (Waterline Length) 13.18 ft / 4.02 m
Beam 4.83 ft / 1.47 m
Max Draft 3.16 ft / 0.96 m
Min Draft 0.25 ft / 0.08 m
Displacement 140.00 lb / 64 kg
Sail Area (Reported) 91.00 ft² / 8.45 m²
Design & Construction
Hull Type Dbrd. Dinghy
Rigging Type Cat (unstayed)
Construction FG
Designer Fred Scott, Jack Evans
Builder AMF Alcort, Weeks Yacht Yard
First Built 1972
Number Built 15000
Associations Force 5 Class Association
Owner Reviews

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Known Issues & What to Watch For

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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
54.03
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
27.3
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
1.98
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
3.72
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. 4.86 kn
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. 227.46 pounds/inch
How It Compares

vs. Hobie 14, Ilca 6 Laser Radial, Ilca 7 Laser International, Lido 14, Sunfish

This boat Similar boats
Dimensions
LOA
Force 5 ★
13.9 ft
Hobie 14
14.0 ft
Ilca 6 Laser Radial
13.9 ft
Ilca 7 Laser International
13.9 ft
Lido 14
14.0 ft
Sunfish
13.9 ft
LWL
Force 5 ★
13.2 ft
Hobie 14
Ilca 6 Laser Radial
12.5 ft
Ilca 7 Laser International
12.5 ft
Lido 14
13.8 ft
Sunfish
13.0 ft
Beam
Force 5 ★
4.8 ft
Hobie 14
7.7 ft
Ilca 6 Laser Radial
4.5 ft
Ilca 7 Laser International
4.5 ft
Lido 14
6.0 ft
Sunfish
4.1 ft
Displacement
Force 5 ★
140 lbs
Hobie 14
240 lbs
Ilca 6 Laser Radial
128 lbs
Ilca 7 Laser International
128 lbs
Lido 14
310 lbs
Sunfish
129 lbs
Sail Area
Force 5 ★
91 sq ft
Hobie 14
118 sq ft
Ilca 6 Laser Radial
62 sq ft
Ilca 7 Laser International
76 sq ft
Lido 14
111 sq ft
Sunfish
75 sq ft
Performance
SA / Displacement (higher = more powerful)
Force 5 ★
54.0
Hobie 14
48.9
Ilca 6 Laser Radial
39.1
Ilca 7 Laser International
47.9
Lido 14
38.8
Sunfish
47.0
Comfort Ratio (higher = more comfortable offshore)
Force 5 ★
2.0
Hobie 14
2.0
Ilca 6 Laser Radial
2.1
Ilca 7 Laser International
2.1
Lido 14
3.2
Sunfish
2.3
Capsize Screening (lower = safer)
Force 5 ★
3.72
Hobie 14
4.94
Ilca 6 Laser Radial
3.56
Ilca 7 Laser International
3.56
Lido 14
3.55
Sunfish
3.25
Displacement / Length (lower = lighter)
Force 5 ★
27
Hobie 14
63
Ilca 6 Laser Radial
Ilca 7 Laser International
29
Lido 14
Sunfish
Hull Speed
Force 5 ★
4.9 kts
Hobie 14
4.6 kts
Ilca 6 Laser Radial
4.7 kts
Ilca 7 Laser International
4.7 kts
Lido 14
5.0 kts
Sunfish
4.8 kts
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