Dolphin hydrofoil boat

1. The Dolphin hydrofoil boat is intended for sea travels and business trips in day time and sea state up to 3. Navigation area is coastal zones of seas at the distance of up to 20 miles from shelter bases.

2. Main dimensions

Length overall, m 10,0
Beam overall, m 2,5
Midships depth, m 1,1
Freeboard at full displacement, m 0,75
Height overall with foils and mast, m 2,9
Overall hullborne draught, m 1,1
Foilborne draught, m 0,5
Light displacement, t 2,2
Full displacement, t 3,1
Maximum power of engine, kW (hp) 147 (200)
Speed, knots 35
Passenger capacity, persons 8
Crew, persons 1
Range, miles 200
Deadweight, kg 900

Deadweight composition:
Driver and passengers with luggage, kg 730
Fuel, kg 170

3. Boat design
3.1. The hull is divided into three compartments by two watertight bulkheads.
The first compartment is forepeak with the access through a watertight hatch in frame 4 bulkhead.
The second compartment is passenger space, the cockpit.
The third compartment is the engine room with a frame 13 bulkhead and a deck hatch.

4. Cockpit outfit and finishing
Installed in the open part of the cockpit are:
- control panel
- nine chairs, the first forward one is the driver's chair
- fire-extinguisher
- opening hook
- refrigerator

5. Deck equipment
Installed on the deck are:
- mooring chock
- four cleats (two port and two starboard)
- side lights
- stern light
- fuel filler
- life-buoy ring
- sound signal
- compass
- top and anchor lights

6. Hull
The hull is of welded-and-riveted construction. Hull material is aluminum-magnesium alloy. Hull framing system is longitudinal-transversal.

7. Foil system
The foil system consists of two carrying foils (bow foil and stern foil) and a stabilizer installed behind the bow foil. The foil struts are bolted to the hull. The foils are made of stainless steel.

8. Powerplant
The boat is powered by Engine -Volvo Penta AD41/DP diesel engine.

9. Electrical equipment
Electric power on the boat is 12 V DC. Electric power sources are:
- DC generator, 14V, 700 W driven by the main engine
- two batteries, 12V, 140 Amphour capacity.

Electric power consuming equipment:
- engine starter
- side lights
- electric signal
- electrical engine of the portable drain pump
- engine instruments
- engine room lamp
- fire-in-engine-room and water-in-engine-room signaling system
- compass lighting

10. Corrosion protection
Protectors installed on the transom protect the hull against corrosion. Aluminum-magnesium alloy plates protect the foils against corrosion.