Sea-going passenger hydrofoil "Kolkhida"

   Type of the ship - sea-going passenger hydrofoil.
Purpose of the ship - conveyance of passengers in the daytime.
Navigation area - inland waterways and seas, distance from port up to 50 miles.
Class of the vessel: KM[2]A3 passenger hydrofoil of the Russian Federation Register of Shipping, taking into account The rules of classification and construction of high-speed ships, 1998.
The ship meets requirements of the Russian and international normative documents on safety of navigation and environmental protection.

   
Navigability
-foilborne - 2,0 m, h - 3% .
-in displacement condition – 3,0 m, h -3% .
Drinking water cruising capacity – 8 hours.

   1.HULL
The hull shape is sharp bilge with V-type bottom. The hull and wheelhouse material is corrosion-resisting aluminium-magnesium alloy 1561. The hull is made of moulded panels and profiles, superstructure and wheelhouse are made of plates and moulded profiles. Structures are joined by the argon-arc welding and spot contact welding with glue.

   2.FOIL SYSTEM
The foil system consists of three foils: bow foil, medium foil and after foil. Foil material: bow and after foils– stainless steel, medium foil – aluminium-magnesium alloy 1561.Bonding technique is welding.

   3.SHIP ARRANGEMENTS
The hydrofoil is equipped with the following arrangement: steering gear, anchor gear, mooring and towing gear, life rails and lines, masting as well as collective and personal life-saving appliances in compliance with the requirements of the Russian Shipping Register.

   4.HULL SYSTEMS
The following systems are onboard: drainage and oily bilge waters system, CO2 fire-extinguishing system, domestic outside water system, domestic waters system, waste waters system, ventilation and air-conditioning systems, engine-room ventilation system, hydraulics system, galvanic protection system of the bottom.

   5.POWER PLANT
Two diesel engines M470 with maximum power 1500 hp each are used as the main engines. They are the recent development of 12-cylinder diesel engines of 18/20 dimension-type, of «ZVEZDA» firm, Russia.
Diesel generator of «Deutz» company, with 44kW capacity, 3x380 V AC 50 Hz is used as an auxiliary power plant.

   6.POWER PLANT SYSTEMS
Shipborne powerplant systems include: fuel system, oil system, fresh and outside water cooling system, system of air supply to the engine room, main engines and diesel-generator gas vent system, main and auxiliary engines control system.
Automation is provided: for control and monitoring systems, alarm signalling and protection of main and auxiliary engines, technical facilities.

   7.SHAFTINGS AND PROPELLERS
The vessel has two drive shaftings installed at angle of 13 degrees to the base plane. Each of them is joined hard to the reduction gear flange of the main engine.The vessel is equipped with two five-bladed propellers.

   8.ELECTRICAL EQUIPMENT
The ship electric power system incorporates:
3x380V A.C. 50 Hz mains;
1x220V A.C. 50 Hz mains;
24 - 27V D.C. mains.
Power-supply sources: 4 direct-current main engine-driven generators, diesel-generator, storage batteries and shore power sources.
Radio-navigation equipment as provided by the Register rules and international standards, which ensure safe operation of the vessel.