The Rapido 50 represents a sophisticated evolution in the performance multihull market, effectively bridging the gap between spartan racing machines and heavy cruising catamarans. Designed by the world-renowned naval architecture firm Morrelli & Melvin, this 50-foot carbon fiber folding trimaran is engineered for sailors who prioritize speed and safety without sacrificing the ability to access standard marina slips. The vessel is constructed primarily of vacuum-infused carbon fiber and E-glass with a PVC foam core, resulting in a displacement of approximately 18,000 lbs—remarkably light for a 50-foot cruiser. Its defining technical achievement is its patented folding mechanism, which allows the massive 33'11" (10.38m) beam to retract to just 19'1" (5.8m), making it one of the few trimarans of this scale capable of occupying a standard monohull berth.
Rapido 50 Information, Review, Specs

- Make
- Rapido
- Model
- 50
- Builder
- Rapido Trimarans (Hong Kong)
- Designer
- Morrelli & Melvin
- Number Built
- Production Year(s)
- 2022 - ??
Sailing Performance & Handling
The sailing dynamics of the Rapido 50 are characterized by high righting moments and exceptional responsiveness. Unlike a catamaran, which can feel "wooden" in a seaway, the trimaran configuration offers a more natural motion and a centralized weight distribution that minimizes pitching. According to editorial testing by Cruising World, the vessel is capable of speeds exceeding 25 knots, with consistent double-digit performance even in light airs.
The boat utilizes C-shaped asymmetric daggerboards in the amas (outriggers), which provide significant vertical lift, reducing wetted surface area and increasing speed as the apparent wind builds. The central helm position is a standout feature, providing the skipper with 360-degree visibility and immediate access to all control lines, which are led to a bank of winches directly in front of the wheel. This layout makes the Rapido 50 surprisingly manageable for short-handed or even solo sailing. The tracking is reported to be laser-straight, a byproduct of the deep T-foil rudder and the efficiency of the Morrelli & Melvin hull forms.
Interior Comfort & Variations
The interior of the Rapido 50 challenges the traditional trimaran limitation of narrow living spaces. By utilizing a "raised saloon" design, the builder has created a seamless transition between the cockpit and the main living area. The saloon offers 360-degree panoramic views and a level of natural light rarely seen in trimarans. The standard layout features a master cabin forward with a queen-sized berth and an ensuite head, while guest accommodations are typically located in the aft section of the main hull.
The use of high-tech composites allows for structural components to be less intrusive, maximizing the internal volume. While the Rapido 50 does not have the "apartment-style" space of a wide-beam cruising catamaran, its finish is of a high semi-custom standard, often featuring lightweight real-wood veneers and modern synthetics. Rapido Trimarans offers a degree of customization in the galley and navigation station layouts to suit long-distance cruisers or weekend racers.
The Rapido 50 is part of a cohesive lineup that includes its larger sibling, the Rapido 60—which pioneered the brand's "folding-free" flagship concept—and the smaller Rapido 40, which shares the 50's folding technology. There are no major production hull variants (such as a four-cabin version) due to the narrow constraints of the central hull, but owners can choose between different rig heights and daggerboard configurations.
Known Issues & Buyer’s Checklist
As a high-performance composite vessel with complex moving parts, the Rapido 50 requires a specialized survey approach. Prospective buyers and current owners should focus on the following technical areas:
- Folding Mechanism Integrity: The hinge points where the akas (crossbeams) meet the central hull and the amas are under immense load. Buyers should inspect the titanium or stainless steel pins and the surrounding carbon fiber laminates for signs of stress, hairline fracturing, or bushing wear.
- Daggerboard Bearings: The C-shaped daggerboards are subject to high side loads. The trunk bearings should be inspected for play or "slapping," which can indicate worn bearing surfaces or internal trunk damage.
- Weight Management: Performance is highly sensitive to displacement. Many owners tend to over-equip the boat with heavy glass-cycle batteries or excessive ground tackle; a checklist item should be a "weight audit" to ensure the boat remains within its designed waterline.
- Electrical Systems for High-Loads: Given the reliance on electric winches to handle the high sail loads, the DC distribution system and battery bank health are critical. Look for evidence of heat stress in the wiring near the primary winch motors.
Community & Resources
The primary hub for technical support and owner interaction is the Rapido Trimarans factory direct support and their organized owner gatherings. While there isn't a massive "class association" due to the niche nature of the vessel, the builder maintains a strong relationship with owners through their official website and regional representatives. Technical discussions often migrate to high-end multihull forums where the "Rapido" name is synonymous with the cutting edge of trimaran cruising.
The Verdict
The Rapido 50 is a niche masterpiece for the sailor who refuses to accept the performance compromises of a catamaran or the slip-access limitations of a fixed-beam trimaran.
Pros:
- Exceptional Speed: Capable of outrunning almost any other production cruising boat.
- Marina Versatility: The folding system solves the biggest headache of trimaran ownership.
- Safety: The trimaran platform is inherently stable and offers a "tri-hull" safety margin.
- Visibility: The raised central helm offers superior situational awareness.
Cons:
- Internal Volume: Significantly less living space and storage than a 50-foot catamaran.
- Complexity: The folding mechanism and carbon fiber construction require specialized maintenance.
- Price: High-tech materials and engineering result in a premium price point compared to mass-production multihulls.
Measurements
Construction & Hull
- Construction Material
- Fiberglass (PVC Foam Core)
- Hull Type
- Trimaran Sailboat
- Keel Type
- Daggerboard
- Ballast
- -
- Displacement
- 18849 lbs
- Water Capacity
- 79 gal
- Fuel Capacity
- 79 gal
Dimensions
- Length Overall (LOA)
- 50 ft
- Waterline Length (LWL)
- 49.08 ft
- Beam
- 34.06 ft
- Draft
- 11.55 ft
- Max Headroom
- 6.56 ft
- Air Draft
- 81.96 ft
Rig & Sails
- Rig Type
- Fractional Sloop
- P (Main Luff)
- 62.34 ft
- E (Main Foot)
- 22.8 ft
- I (Foretriangle Height)
- 57.91 ft
- J (Foretriangle Base)
- 21.72 ft
- Forestay Length (est)
- 61.85 ft
- Sail Area
- 1781.43 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 40.24
- Ballast / Displacement Ratio
- —
- Displacement / Length Ratio (D/L) Ratio
- 71.17
- Comfort Ratio
- 5.38
- Capsize Screening Formula
- 5.12
- Hull Speed
- 9.39 kn