AVIO  INTERNATIONAL  GROUP  HOLDING  S.A.

Specifications:

Main rotor [Diameter]: 6.70 m

Disc Loading – GW: 13.15 kg/m²

Tail rotor [Diameter]: 1.12 m

Cabin width: 1.30 m

Total length: 6.00 m

Height [cabin roof above ground]: 1.72 m

Height [main rotor above ground]: 2.36 m

Main rotor [100%]: 520 RPM

Fuel tank capacity: 75 liters [95 Octane]

Gross weight: 600 Kg

Empty weight: 310 Kg

Useful loading: 290 Kg

Cruise speed @ SL [power 70%]: 91 Kts – 170 Km/h

Max speed @ SL [Vne]: 102 Kts – 190 Km/h

Climbing rate: 6.50 m/s

Hover Ceiling IGE: 4.100 m

Hover Ceiling OGE: 2.450 m

Endurance @ Cruise Speed: 3.0 h

Fuel consumption [power 70%]: ~ 23 liter/h

Max. Range [20’ reserve]: 520 Km

Height speed IAS – 50 ft: 28 Kts – 51,5 Km/h

Auto rotation IAS/min. ROD: 30 Kts – 56 Km/h

 

Twin Engine Pack System (TEPS)

Single engine: 4 cyl., 2.715 cc

Cylinder bore: 98 mm.

Stroke: 90 mm.

Compression ratio: 11 : 1

Max single engine power: 120 HP @ 3.250 RPM

Cooling system: mixed oil-air (patented)

Starter: Electric

Fuel: Unleaded 95 Octane

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Avio International Group is the first aircraft manufacturers in the world to develop a piston twin-engine helicopter with weight under 600 Kilos, named “Twin-Power SK-1”.

The twin-engine propulsion system allows the helicopter to fly safely even when one of the two engines fails.

The main structure (chassis) of the SK-1 Twin-Power is realized in Titanium tubes, and it has great durability under tension and corrosion stress. The fuel tank is anti-explosion and is positioned outside the cockpit. The cabin and other structural components are realized with Advanced Composite Materials, which include Carbon Fiber, Epoxy resins, honeycomb Nomex.

The result is to reduce aircraft weight, improve efficiency, reduce duel consumption and offer better safety in case of emergency. The instrument panel has a modern design and can be equipped with a PFD/MFD digital instrumentation.

The SK-1 Twin-Power offers higher safety, better maneuverability, a cabin more rugged and comfortable, and exercise costs more contained than other helicopters of its category.