Crowther Buccaneer 40 Sailboat Review, Specs, and Listings

Lock Crowther·1972·~9 hulls·various from plans
Approximate drawing

Hover a measurement to read its value

Hull Type
Trimaran · daggerboard
Rig
Masthead Sloop
LOA
40.5' · 12.34 m
Disp.
9,500 lbs · 4,309 kg
First year
1972

The Crowther Buccaneer 40 is a 40.5foot trimaran designed by Lock Crowther and produced from plans by various builders, with only nine examples completed in 1972. As a daggerboard multihull of modest production, it occupies a narrow but interesting niche: a lightweight, beamy offshore cruiserracer with a masthead sloop rig and a demountable structure that lets the hulls and crossbeams separate for transport or storage.

Measurements

Dimensions 01

Length Overall
40.5 ft
Length on deck
Waterline Length
Beam
27.5 ft
Draft
6 ft
Maximum Headroom
Air Draft

Construction & hull 02

Construction
Fiberglass/Wood Composite
Hull Type
Trimaran
Keel Type
Daggerboard
Ballast
Displacement
9,500 lbs
Water Capacity
Fuel Capacity

Rig & sails 03

Rigging Type
Masthead Sloop
Mainsail luff
Mainsail foot
Foretriangle height
Foretriangle base
Forestay Length (estimated)
Sail Area
1,072 sqft

Calculations 04

Sail Area to Displacement Ratio
38.23
Ballast to Displacement Ratio
Displacement to Length Ratio
Comfort Ratio
Capsize Screening Ratio
5.19
Hull Speed

Design and Construction

The Buccaneer 40 stretches 12.34 meters on the LOA with a remarkable 8.38-meter beam, a width that gives the trimaran its enormous living and cockpit footprint but also explains the demountable construction. The boat uses aluminum beams to join the hulls for disassembly, a practical solution for a 27.5-foot-wide vessel built in an era before easy wide-load transport. Hull material is listed as fiberglass or plywood composite, and the hull type is a trimaran with daggerboard — a configuration that trades the fixed keel's permanence for shoal-water access, with the board yielding a minimum draft of 1.07 meters and a maximum of 1.83 meters. Displacement is 4,309 kilograms, consistent with a plywood-cored, glass-skinned multihull.

Rig and Handling

The masthead sloop rig carries 99.59 square meters of sail area, producing a sail-area-to-displacement ratio of 38.37. With a capsize screening value of 5.20, the design sits well above the 2.0 threshold used to gauge offshore stability in monohulls, reflecting the inherent form stability of a wide trimaran. The daggerboard lets the boat pivot up for 3.5-foot shoal drafting or drop for 6-foot lateral resistance, giving the skipper a draft range that suits both gunkholing and windward work.

Accommodations

The nine-boat production run suggests that each Buccaneer 40 was finished to owner specification from plans rather than to a single production standard. The 8.38-meter beam across three hulls affords volume atypical of a monohull of the same length, and the specific arrangement of that space must be assessed hull by hull.

The Verdict

The Buccaneer 40 is a rare, purpose-built Crowther trimaran whose appeal lies in its light weight, broad beam, and demountable aluminum-beam structure. For a buyer comfortable with a one-year, nine-unit design and the variability of plan-built finishing, it offers a distinctive multihull experience with shoal-draft flexibility and strong sail-area-to-weight performance.

Pros

  • Demountable hulls with aluminum beams ease transport and storage
  • Daggerboard gives 3.5–6 foot draft range for shoal or offshore use
  • High sail-area-to-displacement ratio (38.37) and capsize screen (5.20) indicate lively, stable platform
  • Exceptional 27.5-foot beam for volume and cockpit space

Cons

  • Only nine built in a single 1972 production year — sparse support and parts commonality
  • Plan-built from various yards — finishing and systems vary by example

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