Gemini Fastcats

The Gemini semi displacement range of catamarans we build are 8, 9, 10, 11, and 12 metres long. These vessels are the biggest on the market in their class but will still fit on a 5 metre travel hoist.

Gemini has two different build specs on these vessels:
1) Light duty  (up to 1000 hrs per year)
2) Heavy duty (up to 2500 hrs per year)

These boats can be powered by small engines and operate at displacement speeds if required, or can be powered by bigger engines for a top speed of 35 knots, they can be fitted with conventional stern gear, jet drives or leg drives.  A vessel can  be supplied to any stage of completion, with a full range of deck and wheelhouse layouts / fit-outs from a basic vessel to a yacht finish.

The new semi displacement fast cat range has two different build specs to suit clients requirements, light and heavy duty (which is 1.5 ton heaver), both vessels are designed to suit their intended workloads, and are built as light as a semi-displacement cat in this class can be before compromising structural integrity.

As an example of the fast cats performance we recently launched a 10m fast cat (heavy duty) fitted with 2 x 225hp John Deere engines, this vessel was fully fitted out, had a 2 ton slave hauler fitted, full fuel tanks, and achieved a top speed of 23 knots.

A basic sailaway vessel includes a hull, with all framing and anti-pitch foil, moulded deck beams, four main bulkheads, decks, engine beds, fuel tanks, all stern and steering gear, engine installation, moulded gunnels, wheelhouse with windows and locking door, foredeck with cabin floors, four main-deck hatches, hand-pumps, bollards, fairleads, all basic plumbing, wiring and lighting.

Every effort has been made to keep prices competitive, but the sheer size of these vessels and the amount of materials and labour required to build them, compared to a mono-hulled vessel of equivalent length, means catamarans generally cost  25% more to build. This figure is considered acceptable because of the proven superior sea-keeping qualities and earning capabilities they have.

The Gemini Fastcat Catamarans have a design that enables the vessel to have a forward or aft wheelhouse and can be fitted out in any number of combinations with a variety of engine options including: Ford, Daewoo, Perkins, Iveco, Cummings etc.

Gemini Fastcat useful information

To see drawings of the GF8/9 Fastcat click here

To see drawings of the GF10/11/12 Fastcat click here

For an explanation of why Catamarans are proven to have up to 40 times more stability than mono hulled vessels click here


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Gemini Catamaran Workboats Ltd, New Quay, Haven Road,  Colchester, Essex, C02 8HT
Tel: 01206 861111   Fax: 01206 861114  Email

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