Minicat 310 Information, Review, Specs

Make
Minicat
Model
310
Builder
MiniCat
Designer
Martin Horak
Number Built
Production Year(s)
2007 - ??

The MiniCat 310 represents the foundational DNA of the Czech brand’s vision for portable, high-performance sailing. Launched as the first production model from designer Martin Horák, it was engineered to solve the logistical barriers of traditional catamarans by fitting entirely into a single transport bag weighing between 32.5 and 35 kilograms. Unlike rigid rotomolded dinghies, the 310 utilizes reinforced Heytex PVC inflatable hulls and a powder-coated aluminum frame to provide a stable platform for solo sailors or an adult and child. Its design is centered on simplicity; it lacks a boom and traditional daggerboards, instead utilizing low-profile polypropylene fins attached to the underside of the hulls to provide lateral resistance. This makes it an ideal beach-launched craft for recreational users and yacht owners seeking a compact tender that doubles as a legitimate sailing vessel.

Sailing Performance & Handling

The sailing characteristics of the MiniCat 310 are defined by an exceptional power-to-weight ratio. With a total sail area of approximately 5.15 square meters (3.75 m² mainsail and 1.40 m² jib) driving a hull that weighs only 32.5 kg in its modern iteration, the boat is remarkably responsive. According to technical documentation from MiniCat Worldwide, the boat is capable of planing in moderate breezes, frequently reaching double-digit speeds that far exceed the expectations for an inflatable craft.

Handling is characterized by its "boomless" rig, which utilizes an all-spire mainsail construction. This design choice eliminates the danger of accidental jibes hitting passengers and simplifies the rigging process. However, the boat's lightweight nature makes it sensitive to weight distribution; sailors must actively move their body weight across the 135x95 cm trampoline to maintain trim. Because it lacks a deep centerboard, the boat relies on long keel fins that allow it to sail in as little as 18 inches of water, though this comes at the cost of some upwind pointing ability compared to rigid racing catamarans. Feedback from testers often notes a "twitchy" rudder feel, which provides high maneuverability but requires a steady hand in gusty conditions to prevent over-steering.

Known Issues & Buyer’s Checklist

When evaluating a used MiniCat 310, the integrity of the inflatable components and the precision of the frame assembly are paramount.

  • Pressure and Rigidity: The boat must be inflated to precisely 0.25 bar (3.7 psi) to achieve the necessary structural rigidity. Under-inflated hulls lead to "tacoing"—a phenomenon where the hulls flex upward at the center—which severely degrades sailing performance. Buyers should check for the inclusion of a reliable pressure gauge.
  • Frame Pin Alignment: A common "gotcha" during assembly involves the central frame tube. If the pontoons are fully inflated before the frame is seated, the pin holes for the aluminum tubes may become misaligned. Inspections should look for ovaling or wear around these pin holes, which suggests the boat was forced together under improper pressure.
  • Fin Attachment Delamination: The keel fins are held in place by pockets on the hulls. In earlier models, or those subjected to high UV exposure, the adhesive bonding these pockets to the PVC can weaken. Ensure there are no signs of peeling at the edges of the fin tracks.
  • Inversion Risk: Due to the relatively short 3.8-meter mast and the buoyancy of the hulls, the 310 can invert quickly during a capsize. Experienced owners recommend verifying if the boat comes with a masthead float, which prevents the rig from driving underwater and facilitates easier righting.
  • Independent Hull Movement: Prospective owners should be aware that the hulls can move slightly independently in chop. While this is a design feature to absorb wave energy, excessive "wandering" may indicate worn trampoline lacing or loose frame connections.

Community & Resources

The MiniCat community is largely centered around the manufacturer’s headquarters in the Czech Republic and specialized distributors globally. Technical support and replacement parts are primarily managed through MiniCat Worldwide, which maintains an exhaustive catalog of components for all versions of the 310. Owners often congregate in digital spaces such as the MiniCat Owners Group to share modification tips, such as adding front trampolines or engine supports for small outboards.

The Verdict

The MiniCat 310 is a masterclass in portable engineering, offering a genuine catamaran experience to those without the space for a trailer or a mooring.

Pros:

  • Extreme Portability: The entire boat fits into a single bag that can be checked as oversized luggage on many airlines.
  • Safety-First Design: The boomless rig and high stability of the catamaran platform make it an excellent trainer for children and beginners.
  • Build Quality: Uses high-grade German Heytex PVC and marine-grade aluminum, offering a lifespan far beyond cheap inflatable "toys."
  • Tool-Free Assembly: Modern versions can be fully rigged in approximately 20 minutes without external tools.

Cons:

  • Weight Capacity: While rated for two people, performance suffers significantly with more than 150 kg on board; it is best enjoyed as a solo craft.
  • Upwind Limitations: The fixed keel fins cannot match the lift generated by a retractable daggerboard, leading to more leeway on a beat.
  • Price Point: High-quality European materials and specialized design place it at a premium price point compared to rotomolded dinghies.

Measurements

Construction & Hull

Construction Material
Other
Hull Type
Catamaran Sailboat
Keel Type
Twin
Ballast
-
Displacement
77 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
10.17 ft
Waterline Length (LWL)
10.17 ft
Beam
4.59 ft
Draft
-
Max Headroom
-
Air Draft
12.42 ft
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)
-
Sail Area
55.43 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
49
Ballast / Displacement Ratio
Displacement / Length Ratio (D/L) Ratio
32.68
Comfort Ratio
1.53
Capsize Screening Formula
4.32
Hull Speed
4.27 kn