Cadet (Int) Information, Review, Specs

Boat drawing
Make
Int
Model
Cadet
Number Built
8000
Production Year(s)
1947 - ??

The International Cadet, a compact 10.56-foot (3.22m) monohull, stands as a pivotal vessel in the world of youth sailing. Conceived in 1947 by the prolific British boat designer Jack Holt, in collaboration with E.W. Haylock, then president of Yachting World magazine, the Cadet was envisioned as an accessible and inexpensive trainer for young sailors immediately following World War II. Today, it maintains its reputation as a pre-eminent double-handed training class, serving as a foundational step for aspiring competitive sailors worldwide. While originally initiated as the Yachting World Cadet, it quickly evolved into an international one-design class, built by numerous yards over its long history, including Rondar Raceboats, renowned for their precision construction of high-performance one-design sailing craft.

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History and Design

The genesis of the Cadet class in 1947 marked a significant moment in sailing, aiming to provide an affordable entry point for juniors into the sport. Jack Holt's design philosophy centered on creating a strictly controlled one-design dinghy where all boats would be as alike as possible in terms of speed and handling, ensuring fair competition. This commitment to a "Closed Class Rule" has maintained the integrity of the design over decades, despite evolutions in construction materials and appearance.

Initially, the Cadet would have been constructed primarily from wood. Over time, as materials evolved, production shifted to more durable composite constructions, including fiberglass and wood composite, as seen in later models. Though the core design remained consistent with stringent class rules, modern Cadets have incorporated refinements such as spinnakers, enhancing their technical training capabilities. The class has been produced by a variety of notable builders throughout its history, including Jack Holt himself, Ron Beasley, Capel Sailing, Van Wettum, and Rowsell & Morrison (R&M). Rondar Raceboats, established in the mid-1960s, has also contributed to the class's production, aligning with their ethos of building high-quality, competitive one-design vessels.

Sailing Performance and Handling

The International Cadet is specifically designed for two junior sailors, typically aged between 7 and 17 years, serving as an ideal platform for learning double-handed sailing skills. Despite its small stature, with a length overall of just over ten and a half feet, the Cadet is known for its robust and stable handling characteristics. It is frequently described as a "very stiff little boat," capable of standing up to various wind conditions, making it forgiving for learners yet responsive enough for competitive racing.

As a technical racing training class, the Cadet cultivates essential sailing skills, including boat balance, sail trim, and teamwork. Its design allows for a broad range of skill levels, from beginners taking their first steps in competitive sailing to experienced juniors refining their racing techniques. While not considered "fast by modern standards" when compared to newer, more technologically advanced dinghies, the Cadet's enduring appeal lies in its ability to instill a deep passion for sailing through its engaging and educational performance.

Accommodations and Layout

Given its role as a small, open racing and training dinghy, the International Cadet does not feature enclosed accommodations or interior living spaces in the traditional sense. Its design prioritizes a functional cockpit optimized for two crew members during active sailing. The layout is straightforward, focusing on efficient handling of sails and steering. Construction materials, such as fiberglass and wood composite, contribute to a durable and low-maintenance exterior and interior finish, suitable for the rigors of competitive youth sailing. The emphasis is placed on open space within the hull for crew movement and efficient management of the fractional sloop rig, including the main and jib, and a spinnaker in more advanced setups.

Measurements

Construction & Hull

Construction Material
Fiberglass/Wood Composite
Hull Type
Monohull Sailboat
Keel Type
Centerboard
Rudder
1x —
Ballast
-
Displacement
119 lbs
Water Capacity
-
Fuel Capacity
-

Engine

Engine Make
Engine Model
Engine Type
Engine HP
Engine Count
1
Drive Type
Fuel Type
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Main Sail Area
-
Foretriangle Sail Area
-
Total Sail Area (Reported)
56 sqft
Total Sail Area (Calc)
-

Dimensions

LOA
10.56 ft
LWL
-
Beam
4.17 ft
Draft
2.46 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
— kn
Pounds per Inch Immersion