Lark 13 Information, Review, Specs

Boat drawing
Make
Model
Number Built
12000
Production Year(s)
1967 - ??

The Lark 13 is a highly regarded two-person, non-trapeze sailing dinghy, primarily celebrated for its role as a robust and reliable trainer and a spirited club racer. Conceived in 1966 by designer Michael Jackson, this nimble monohull quickly became a staple for colleges and sailing clubs across the UK, cementing its place in British dinghy sailing history. 5, 6, builder article Built by John Baker Ltd. from 1967, the Lark 13 embodies the builder's early commitment to accessible and well-constructed glass-reinforced plastic (GRP) dinghies, laying the groundwork for their later expansion into cruising yachts., builder article]

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History and Design

The genesis of the Lark 13 dates back to 1966 with its design by Michael Jackson. Production commenced in 1967 under John Baker Ltd., a company that started from humble beginnings at Kenton Forge in Devon, UK, founded by John and Pat Baker., builder article] The LARK quickly became one of their most notable early successes, known for its durable construction and suitability for learning and club racing. The design lineage of the Lark is often traced to Jackson's work on other popular dinghies like the Merlin Rocket and National 12, endowing it with a reputation for responsiveness and nimbleness on the water.

John Baker Ltd. continued building the Lark 13 until 1980, when Parker Boats Ltd. acquired the building rights, ensuring the dinghy's continued production. While the initial Baker-built LARKs occasionally faced issues with centerboard case stiffness, a supporting beam was later incorporated to address this, improving the boat's structural integrity. The enduring popularity of the design is further highlighted by the fact that a new builder, Synergy Marine, signed on in 2021 to produce a brand new variation on the existing hull shape.

Sailing Performance and Handling

The Lark 13 is designed as a fractional sloop with a centerboard, offering a versatile performance profile. [6, Measuring 13.25 feet in length overall and with a waterline length of 12.75 feet, it boasts a beam of 5.5 feet. Its shallow minimum draft of 0.33 feet with the centerboard up allows for easy launching and access to skinny waters, while the maximum draft of 3.75 feet with the board down provides good lateral resistance for upwind performance. The dinghy carries a reported sail area of 120 square feet, contributing to its lively performance.

Sailing enthusiasts often praise the Lark 13 as a very responsive and nimble boat. Owners report that it handles beautifully in light airs and can be exceptionally fast as the wind picks up, making it a thrilling boat to sail. The theoretical hull speed is calculated at approximately 4.78 knots. While generally stable and capable of being single-handed, particularly for a helmsman of moderate weight, some owners have noted a tendency for the boat to nosedive when sailing downwind in certain conditions. The aluminum plate centerboard, while effective, has been identified by some as potentially susceptible to bending if not handled with care.

Accommodations and Layout

Given its design as a 13-foot sailing dinghy, the Lark 13 features an open cockpit layout typical of a two-person, non-trapeze club racer. The interior is focused on providing functional space for two crew members to manage the fractional sloop rig and symmetrical spinnaker. There are no enclosed accommodations or traditional interior living spaces. Instead, the design prioritizes a straightforward, uncluttered cockpit for ease of movement, efficient sail handling, and dynamic sailing. While specific details on seating materials might vary with age and builder, the layout is designed for active participation, with space for hiking out to balance the boat. The overall finish, particularly in early models from John Baker Ltd., would have emphasized durability and practicality, reflecting its role as a workhorse for training and racing.

Owner's Perspectives

Owners of the Lark 13 often commend its solid construction and its engaging sailing characteristics, particularly its responsiveness and speed in varying wind conditions. Its robust nature, which made it a popular trainer, is frequently cited as a significant strength. However, some common points of discussion among owners include the aforementioned issue with the stiffness of the centerboard case in early Baker-built models, which often required a reinforcing beam to resolve. Additionally, maintaining buoyancy can be a concern on older boats if small holes or inspection hatch covers are not properly sealed, leading to air leaks. The potential for the centerboard to bend and the tendency to nosedive when sailing downwind are also frequently mentioned as aspects for owners to be mindful of. Despite these considerations, the strong community and the boat's enduring performance underscore its cherished status among dinghy sailors.

Measurements

Construction & Hull

Construction Material
Fiberglass (Solid)
Hull Type
Monohull Sailboat
Keel Type
Centerboard
Rudder
1x —
Ballast
-
Displacement
185 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)
120 sqft
Total Sail Area (Calc)
-

Dimensions

LOA
13.25 ft
LWL
12.75 ft
Beam
5.5 ft
Draft
3.75 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
4.78 kn
Pounds per Inch Immersion
250.56