The Cape Cod Gemini is a distinctive 16-foot fractional sloop, renowned as a nimble and exhilarating daysailer. Originally conceived by A. Sidney DeWolf Herreshoff, a scion of the legendary Herreshoff family of naval architects, the Gemini was later produced by Cape Cod Shipbuilding Co., a builder celebrated for its enduring quality and traditional designs. She is particularly praised for her lightweight, planing hull and twin centerboard design, which contribute to a lively performance in light to moderate wind conditions.
Gemini (Cape Cod) Information, Review, Specs
- Make
- Cape Cod
- Model
- Gemini
- Number Built
- 150
- Production Year(s)
- 1955 - ??
The Gemini embodies a blend of classic design heritage and robust construction, characteristic of Cape Cod Shipbuilding's commitment to durable vessels. Its design offers a unique sailing experience, making it a cherished choice for recreational sailors seeking a responsive and easily managed boat for coastal waters and lakes.
The Cape Cod Gemini traces its origins to the esteemed design lineage of the Herreshoff family, with A. Sidney DeWolf Herreshoff credited as its designer. Production of this charming daysailer began in 1955, although one source also indicates it appeared on the market in early 1962, showcased at the New York Motor Boat Show. Initially built by Herreshoff Manufacturing, the production later transitioned to Cape Cod Shipbuilding, which had acquired exclusive rights to build Herreshoff designs 30 feet and under in 1947. 4, 8, Builder Article
Cape Cod Shipbuilding, a company with over a century of heritage, prided itself on combining traditional aesthetics with pioneering fiberglass construction during this era. They were among the first manufacturers to build fiberglass boats, developing advanced techniques like bonding the hull and deck into a single, strong, and leak-proof unit. This manufacturing ethos ensured the Gemini, like other Cape Cod vessels, was built to last, reflecting the company's reputation for robust and high-quality craftsmanship. The Gemini is notable for its unique twin, side-by-side centerboard configuration, a design choice that sets it apart and contributes significantly to its sailing characteristics. Records suggest approximately 150 units of the Gemini were built.
Sailing Performance and Handling
With a length overall of just over 16 feet and a lightweight displacement of 440 pounds, the Cape Cod Gemini is designed for spirited sailing. Her fractional sloop rig, spanning 140 square feet of sail area, combined with a fine entry, enables a "wonderful design" for light to moderate wind conditions. The boat's light weight and planing hull are consistently highlighted as providing an exhilarating sail, emphasizing its quick acceleration and ability to get up to speed.
A defining feature of the Gemini is its twin centerboard configuration. This setup allows for exceptional versatility in draft, ranging from a minimum of 0.58 feet with the boards up to a maximum of 3.33 feet when deployed. This shallow draft capability makes the Gemini easy to launch and rig from a ramp, expanding its accessibility for trailer sailing. Anecdotal accounts often describe the Gemini as a "very capable vessel," appreciated for its responsive handling and balance on the water. Its design prioritizes agility and a lively feel, rather than heavy-weather offshore capability, making it an ideal choice for recreational day sailing.
Accommodations and Layout
Given its compact 16-foot length, the Cape Cod Gemini is primarily configured as a daysailer, focusing on an open cockpit design rather than extensive interior accommodations. The design prioritizes sailing functionality and ease of use. While specific interior details are limited in available data, a boat of this size would typically feature bench seating in the cockpit for several crew members or passengers. A small cuddy cabin forward might offer minimal protected storage for gear, but standing headroom or full sleeping berths are not expected. The emphasis is on an uncluttered layout that maximizes the open-air sailing experience and facilitates easy maneuvering in the cockpit.
Measurements
Construction & Hull
- Construction Material
- Fiberglass/Wood Composite
- Hull Type
- Monohull Sailboat
- Keel Type
- Centerboard
- Rudder
- 1x —
- Ballast
- -
- Displacement
- 440 lbs
- Water Capacity
- -
- Fuel Capacity
- -
Engine
- Engine Make
- —
- Engine Model
- —
- Engine Type
- —
- Engine HP
- —
- Engine Count
- 1
- Drive Type
- —
- Fuel Type
- —
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)
- 140 sqft
- Total Sail Area (Calc)
- -
Dimensions
- LOA
- 16.08 ft
- LWL
- 14.75 ft
- Beam
- 5.58 ft
- Draft
- 3.33 ft
- Max Headroom
- -
- Air Draft
- -
Calculations
- Hull Speed
- 5.15 kn
- Pounds per Inch Immersion
- 294.08