Cape Dory 30 C Information, Review, Specs

Boat drawing
Make
Cape Dory
Model
30 C
Number Built
363
Production Year(s)
1976 - 1987

The Cape Dory 30 C is a classic American sailboat, renowned for its robust construction and traditional aesthetics. Designed by the prolific Swedish-American naval architect Carl Alberg, this cutter-rigged monohull was built by Cape Dory Yachts, a Massachusetts-based company founded by Andrew Vavolotis. From its introduction in 1976 until the end of its production run in 1987, the Cape Dory 30 C established itself as a reliable coastal cruiser and a capable vessel for extended voyages, appealing to sailors who prioritize seaworthiness and a comfortable motion over cutting-edge performance.

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The Cape Dory 30 C emerged from a period of significant growth and refinement at Cape Dory Yachts, a builder that began its journey in 1963 with a strong vision for quality and durability. Andrew Vavolotis, the company's founder, even established Spartan Marine, a marine hardware division, to ensure that all components met his exacting standards. This commitment to robust construction is evident in the Cape Dory 30 C, which, like other Cape Dory vessels, features solid, thick fiberglass layups for its hull and deck.

The design of the Cape Dory 30 C is a testament to Carl Alberg's enduring philosophy. Alberg, known for creating boats with long, graceful overhangs, low freeboard, and ease of handling, focused on "strictly family-cruising boats" that offered comfort and stability rather than pure racing speed. The Cape Dory 30 C embodies this approach with its full-keel design, a hallmark of Alberg's work, which contributes to its exceptional directional stability and sea-kindly motion.

While the Cape Dory 30 C was primarily offered as a cutter, a rig known for its versatility and ease of handling in varying wind conditions, it was also available as a ketch, designated as the Cape Dory 30 K. This option provided sailors with alternative sail plans that could be easier to manage, particularly in brisk weather. A total of 363 units of the Cape Dory 30 C were built, solidifying its place as a popular choice among traditional cruising enthusiasts.

Sailing Performance and Handling

The Cape Dory 30 C, with its traditional full-keel design, offers a sailing experience characterized by stability and comfort rather than raw speed. With a Sail Area to Displacement (SA/Disp) ratio of approximately 15.02, the Cape Dory 30 C is moderately powered, suggesting it will perform adequately in a range of conditions but may not excel in very light winds. Its Ballast to Displacement (Bal/Disp) ratio of 0.40 indicates a good level of stiffness, allowing the boat to stand up to a breeze and maintain a comfortable angle of heel. The Displacement to Length (Disp/LWL) ratio of approximately 375.1 categorizes the Cape Dory 30 C as a heavy displacement cruiser, emphasizing its robust build and comfortable motion in a seaway, rather than light-air agility or planing capabilities.

Owners generally report that the boat, regardless of its cutter or ketch rig, is easy to balance under sail. While not designed as a speedster, the Cape Dory 30 C is praised for its ability to track well and provide a secure ride, particularly in rougher conditions. However, some owners note that the original Volvo MD7A engine can be underpowered, making it less effective as a powerboat and potentially struggling against strong currents and headwinds. Hard steering when reaching is another common complaint, attributed to its attached rudder and significant rudderpost rake.

Accommodations and Layout

The interior of the Cape Dory 30 C reflects Carl Alberg's philosophy of prioritizing functional cruising accommodations over elaborate, modern designs. Its layout is often described as "minimalist," appealing to those who appreciate a more spartan and traditional approach to boat interiors. While specific headroom figures are not consistently available, the design typically includes a V-berth forward, followed by a head compartment. The main salon usually features settees that can serve as berths, often with a folding table. The galley is typically aft, often available in a full-width configuration on later models, which is a desirable feature.

Descriptions and images from owner forums and reviews suggest a classic, wood-trimmed interior, consistent with the era's robust construction practices. Storage is generally considered adequate for coastal cruising, with lockers and shelves integrated into the bulkheads. Ventilation is achieved through traditional ports and hatches. The overall finish quality, while not luxurious by modern standards, is known for its durability and sea-kindly practicality, aligning with Cape Dory's reputation for solid construction.

Owner's Perspectives

Cape Dory 30 C owners consistently praise the boat's solid construction and exceptional seaworthiness, often highlighting its ability to handle challenging conditions with a comfortable motion. The robust fiberglass layup is a frequently lauded strength, contributing to the boat's enduring value and reputation. Many owners appreciate the traditional aesthetics and the sense of security the full-keel design provides, particularly for those considering longer voyages or who value a "sea-kindly" ride. The strong and active Cape Dory owner community is also considered a significant benefit, providing a valuable resource for maintenance advice and shared experiences.

However, common issues noted by owners include the boat's relatively slow performance in light air, a characteristic of its heavy displacement and traditional hull form. The original Volvo MD7A engine is often cited as being underpowered for the boat, especially when motoring against strong currents or winds. Some owners also mention potential for deck core issues on older models, a common concern with boats of this vintage, and recommend a thorough surveyor's inspection. Despite these points, the Cape Dory 30 C continues to maintain its worth due to its quality construction and loyal owner base.

Measurements

Construction & Hull

Construction Material
Fiberglass (Solid)
Hull Type
Monohull Sailboat
Keel Type
Full
Rudder
1x —
Ballast
4000 lbs (Lead)
Displacement
10000 lbs
Water Capacity
60 gal
Fuel Capacity
20 gal

Engine

Engine Make
Volvo Penta
Engine Model
MD7A
Engine Type
Engine HP
13
Engine Count
1
Drive Type
Fuel Type
Diesel
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Cutter
P (Main Luff)
31.5 ft
E (Main Foot)
13 ft
I (Foretriangle Height)
35 ft
J (Foretriangle Base)
13.25 ft
Forestay Length (est)
37.42 ft
Main Sail Area
204.75 sqft
Foretriangle Sail Area
231.88 sqft
Total Sail Area (Reported)
437 sqft
Total Sail Area (Calc)
436.63 sqft

Dimensions

LOA
30.21 ft
LWL
22.83 ft
Beam
9 ft
Draft
4.17 ft
Max Headroom
-
Air Draft
40.5 ft

Calculations

Hull Speed
6.4 kn
Pounds per Inch Immersion
734.17