YachtCodex
Rapido Trimarans

Rapido 50

In production
Rapido 50 — photo 1

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R50-1 — Rapido Trimarans

Summary

50 ftLOA82 ftAIR DRAFT11.5 ftDRAFT33.6 ftBEAM
Sailing TrimaranSailCE A
Length overall
50 ft
Beam
33.6 ft
Draft
2.2–11.5 ft
Air draft
82 ft
Displacement
18,850 lb
Cabins
2

* A standard reference image, not the actual boat — shown to help visualise this model's published dimensions.

Best Suited For

Tags are derived from certified class, length, sail area, accommodation and tankage using the criteria described on the Sources page; an editor may add or remove one.

Sailing Ratios

Classic yacht-design ratios worked out from the builder's published figures, each shown against the bands designers read it by.

Sail area / displacement

How much sail the boat carries for its weight — its power in light air.

ModestCruiserPerformanceRacing162024
  • not published: sail area
How it is worked out

sail area (ft²) ÷ (displacement as ft³ of seawater)^⅔

Displacement / length

How heavy the boat is for its waterline length. Lower is lighter and quicker; higher is steadier and roomier.

UltralightLightModerateHeavyVery heavy100180270350Rapido 50: 68
  • 68· Ultralight
How it is worked out

displacement (long tons) ÷ (0.01 × waterline length in ft)³

Most builders publish a light displacement. The ratios were defined on a loaded boat, so every boat here reads a little lighter than a surveyor's figure would — all alike, which keeps them comparable.

Tanks

What the builder publishes about how fast, how strong and how much the boat carries.

Fuel and water on one scale: a tank twice the height holds twice as much.

  • Fuel79 gal
    Water79 gal

Design Category

Certified CE design category A (Ocean): the wind and waves the EU Recreational Craft Directive says this boat is designed to take.

  1. D

    Sheltered waters

    Wind
    up to Beaufort 4
    Waves
    up to 0.3 m
  2. C

    Inshore

    Wind
    up to Beaufort 6
    Waves
    up to 2 m
  3. B

    Offshore

    Wind
    up to Beaufort 8
    Waves
    up to 4 m
  4. AThis boat

    Ocean

    Wind
    above Beaufort 8
    Waves
    above 4 m

Design limits set by the EU Recreational Craft Directive (2013/53/EU), in significant wave height. A category covers the conditions of those below it. It is the limit the boat was designed to, not a promise that it is safe in any conditions within it — that judgement stays with the skipper.

Dimensions

LOA
50 ft (15.24 m)
Hull length
—
LWL
49.9 ft (15.2 m)
Beam
33.6 ft (10.24 m)
Draft (min)
2.2 ft (0.67 m)
Draft (max)
11.5 ft (3.52 m)
Air draft
82 ft (24.98 m)
Displacement
18,850 lb (8,550 kg)
Ballast
—
Cabins
2
Heads
—
Berths
—

Sail Plan

Main sail
—
Jib
—
Genoa
—
Sail area
—
Downwind sail area
—
Rig type
—

Engine and Tanks

Engine
38.5 hp (Yanmar)
Engine count
1
Engine manufacturer
Yanmar
Propulsion type
shaft drive
Fuel capacity
79 gal (300 L)
Fresh water capacity
79 gal (300 L)
Black water capacity
32 gal (120 L)

Construction

Mast material
—
Hull material
infused carbon foam sandwich
Deck material
—
Keel type
—
Rudder type
—
Steering wheels
—

Builder's Own Figures

Engine
Yanmar diesel, 3JH5E, 38.5hp, shaft drive
Headroom
in cockpit area (no ceiling liner) 2.01m; in saloon (ceiling liner) 2.0m; in forward cabin and head area (ceiling liner) 1.91m
Cabins
forward cabin and aft cabin (general specification)
Beam folded
5.8m
Beam, float to float centrelines
9.29m
Sail areas
Main: 97m2 Solent: 57.5m2 Staysail: 27.9m2 Reacher: 150m2 Asym Spin: 230m2
Holding tanks
2 x 60 L
Freeboard
1.67m
Displacement basis
average light displacement, subject to final options (8,550 kg)
Draft basis
boards up / boards down

Figures read fromrapidotrimarans.com/rapido-50-all-carbon-folding-ocean-cruising-trimaran· Specificationsread 10/17/2026tanks, engine and cabins from the linked Rapido 50 General Specifications (10 January 2022

Layouts & Drawings

2 drawings from the builder's page: general arrangement, sail plan, profile.

About Rapido Trimarans

Premium production

Carbon performance trimarans designed by Morrelli & Melvin and built in Vietnam by Triac Composites, the yard co-founder Paul Koch set up in 2014 — the folding Rapido 40 and 50, the 53XS, the Rapido 60 and 63, a 40 Racer and the R500 ECO Power Cat.

Rapido, in the company's telling, began with a simple idea: there should be a better way to cross an ocean under sail. Co-founder Paul Koch had spent his life designing, building and sailing multihulls — he started in 1986 with OSTAC Yachts (Ocean Sailing Trimarans and Catamarans) and from 1994 to 2010 led Corsair Marine, helping turn the trimaran from a specialist craft into a respected form of performance cruising. With his business partner Richard Eyre he set out to build a genuine ocean-going trimaran that combined performance, safety, comfort and simplicity and could be run by a couple — not a racer adapted for cruising, nor a cruiser with performance added afterwards. Its stated mission is to build the world's best ocean-cruising trimarans. For the design they engaged Morrelli & Melvin, the California naval architects founded by Gino Morrelli and Pete Melvin, whose credits include two multihull America's Cup winners, Stars and Stripes in 1988 and BMW Oracle Racing's trimaran in 2010. To build the boats, Koch and Eyre co-founded Triac Composites in Vietnam in 2014; its facility about 45 minutes from the centre of Ho Chi Minh City, with large CNC and robotic machinery and an 8.5-metre autoclave, builds every Rapido exclusively.

Visit brand page

The Rapido Trimarans Range

Every model Rapido Trimarans publishes, by length — where this one sits in the range.

  1. Rapido 6363 ft
  2. Rapido 6059.4 ft
  3. Rapido 53XS52.8 ft
  4. Rapido 50· this model50 ft
  5. Rapido 4039.5 ft
  6. Rapido 40 Racer39.4 ft

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