Rival 41 Sailboat Review, Specs, and Listings

Peter Brett·1973·~57 hulls·Southern Boatbuilding Co.
Rival 41 drawingBuilder drawing
Hull Type
Monohull · fin
Rig
Cutter
LOA
40.58' · 12.37 m
Disp.
22,046 lbs · 10,000 kg
First year
1973

The Rival 41 stands as Peter Brett’s largest and most ambitious design, a 40footplus offshore cruiser he drew in 1974 and which Southern Boatbuilding Company put into production in the UK that same year, continuing through 1990 with 57 examples completed. Brett set out to build a boat that was fast, seaworthy, and easy to handle, and the result is a vessel that period assessments still regard as uncommonly versatile — a cruiser equally at home on coastal hops or long ocean passages without trading away either safety or performance.

Measurements

Dimensions 01

Length Overall
40.58 ft
Length on deck
Waterline Length
32.67 ft
Beam
12.17 ft
Draft
5.9 ft
Maximum Headroom
Air Draft

Construction & hull 02

Construction
Fiberglass
Hull Type
Monohull
Keel Type
Fin
Rudder
1× Skeg-Hung
Ballast
9,800 lbs (Lead)
Displacement
22,046 lbs
Water Capacity
Fuel Capacity

Rig & sails 03

Rigging Type
Cutter
Mainsail luff
48.7 ft
Mainsail foot
15.7 ft
Foretriangle height
53.4 ft
Foretriangle base
15.2 ft
Forestay Length (estimated)
55.52 ft
Sail Area
788 sqft

Calculations 04

Sail Area to Displacement Ratio
16.03
Ballast to Displacement Ratio
44.45
Displacement to Length Ratio
282.25
Comfort Ratio
34.86
Capsize Screening Ratio
1.74
Hull Speed
7.66 kn

Design and Construction

Brett gave the Rival 41 a fin keel and a skeg-hung rudder, paired with moderate displacement and a high ballast ratio that together produce a steady, predictable platform. The underbody geometry and 44.5 percent ballast-to-displacement figure anchor a hull that Yachting Monthly described as one inspiring confidence the moment you step aboard — solid, well built, and ready for anything. At 22,046 pounds displacement with 9,800 pounds of lead ballast, the boat carries real mass low in the hull, and the 282 displacement-to-length ratio places her firmly in the heavyweight cruising camp rather than the lithe racer end of the spectrum. The centre-cockpit variant, known as the Rival 41CC, shares the same GRP solid hull and fin-and-skeg underwater profile, with a 40-foot-7-inch overall length, 32-foot-8-inch waterline, 12-foot-2-inch beam, and 5-foot-11-inch draft.

Rig and Handling

The design was offered with sloop, cutter, and ketch alternatives, and the centre-cockpit version was more often rigged as a ketch while the aft-cockpit hulls tended toward cutter or sloop layouts. The sail-area-to-displacement ratio of 16.1 is modest by modern light-air standards but entirely workable, and owners report the helm is very balanced, with the boat proving fast, stable, and responsive. Brett’s interest in comparing modern offshore racing hull and keel thinking to cruising needs shows in a hull that reaches a maximum hull speed of 7.7 knots in the right conditions and delivers a moderate offshore cruising motion acceptable to most seasoned sailors. The capsize screening figure of 1.7 and a comfort ratio of 34.9 reinforce the picture of a boat well suited for ocean passages with low capsize risk.

Accommodations

Southern Boatbuilding produced the Rival 41 with a number of accommodation layouts and rig configurations, including both centre and aft cockpit versions. The centre-cockpit ketch — the most common version — featured a spacious aft cabin with an ensuite head and shower, plus a large cockpit protected by a hard dodger, and slept up to six across three cabins: a double aft, two singles forward, and two in the saloon. The aft-cockpit variant traded the private aft suite for a larger saloon and galley with more windows and hatches, arranging its six berths as a forward double, two quarter-cabin singles, and two saloon singles. Owner reports praise plentiful storage, a well-equipped galley, and a cosy saloon, and the boat’s timeless, unflashy character appeals to sailors who value quality and seaworthiness over trend.

The Verdict

The Rival 41 is a thoughtfully realized Brett design that balances offshore capability with livable cruising accommodations, and the 57-boat production run from 1974 to 1990 means a small but coherent fleet exists under the care of the Rival Owners Association. She is not a lightweight or a speed demon by modern numbers, but her proportions and underwater shape deliver exactly the confidence and balance her reviewers credited.

Pros

  • Fin keel and skeg rudder with high ballast ratio for offshore stability
  • Centre-cockpit ketch layout with ensuite aft cabin and protected cockpit
  • Balanced helm and moderate motion suited to ocean passages
  • Timeless, solidly built character valued by serious cruisers

Cons

  • Modest sail-area-to-displacement ratio limits light-air pace
  • Relatively heavy displacement and limited production reduce market breadth

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