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Enterprise Int
Designer: Jack Holt  ·  Builder: Rondar Raceboats  ·  First built: 1956
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About the Enterprise Int

Built for introducing newcomers to the world of sailing, this single-handed dinghy has earned recognition as an excellent trainer and recreational boat. Originally designed in the 1950s, the Enterprise Int represents a refined evolution of the classic Enterprise design, incorporating modern materials and construction techniques while maintaining the forgiving characteristics that made the original so popular. The boat's stable hull form and responsive handling make it particularly well-suited for inland waters, protected bays, and sailing instruction programs. Its forgiving nature allows beginning sailors to develop confidence while still providing enough performance to keep experienced sailors engaged during casual outings or club racing events. Notable for its durability and straightforward rigging system, the Enterprise Int features a simple yet effective sail plan that's easy to manage single-handed or with a crew of two. The spacious cockpit accommodates sailors comfortably, while the boat's inherent stability provides reassurance for those still mastering basic sailing skills. Many sailing clubs and training centers have adopted this design for their fleets, appreciating its low maintenance requirements and ability to handle the inevitable bumps and scrapes that come with instructional use. For families seeking an affordable entry into sailing, the Enterprise Int offers an ideal combination of safety, performance, and practicality.

Core Dimensions
LOA (Length Overall) 13.29 ft / 4.05 m
Beam 5.25 ft / 1.60 m
Max Draft 3.25 ft / 0.99 m
Displacement 200.00 lb / 91 kg
Design & Construction
Hull Type Centerboard Dinghy
Rigging Type Fractional Sloop
Construction Wood/FG
Designer Jack Holt
Builder Rondar Raceboats
First Built 1956
Number Built 23000
Owner Reviews

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Performance Ratios
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
61.94
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
2.84
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. 4.5 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. 1.27 pounds/inch
Rig Dimensions
I (Foretriangle Height) 0.58 ft / 0.18 m
P (Mainsail Luff) 115.00 ft² / 10.68 m²
E (Mainsail Foot) Jack Holt
How It Compares

vs. Blue Jay, Lark 13, Ok Dinghy

This boat Similar boats
Dimensions
LOA
Enterprise Int ★
13.3 ft
Blue Jay
13.5 ft
Lark 13
13.3 ft
Ok Dinghy
13.1 ft
LWL
Enterprise Int ★
Blue Jay
11.3 ft
Lark 13
12.8 ft
Ok Dinghy
Beam
Enterprise Int ★
5.3 ft
Blue Jay
5.2 ft
Lark 13
5.5 ft
Ok Dinghy
4.9 ft
Displacement
Enterprise Int ★
200 lbs
Blue Jay
275 lbs
Lark 13
185 lbs
Ok Dinghy
159 lbs
Sail Area
Enterprise Int ★
Blue Jay
Lark 13
120 sq ft
Ok Dinghy
91 sq ft
Performance
Comfort Ratio (higher = more comfortable offshore)
Enterprise Int ★
2.8
Blue Jay
Lark 13
2.3
Ok Dinghy
2.5
Displacement / Length (lower = lighter)
Enterprise Int ★
61
Blue Jay
86
Lark 13
Ok Dinghy
51
Hull Speed
Enterprise Int ★
4.5 kts
Blue Jay
Lark 13
4.8 kts
Ok Dinghy
4.5 kts
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