The DF Helicopters DF334 helicopter is a two-seat, single-engine light utility helicopter in development by DF Helicopters Srl in Northern Italy. The DF 334 is a development of the Dragon Fly 333, developed by archaeologists and filmmakers Angelo and Alfredo Castiglioni in the 1980s.
The DF334 has a larger, full composite cabin, a Rotax 914 4-stroke turbocharged engine, a governor fuel control, and an advanced Electronic Flight Instrument System (EFIS). The helicopter is intended for both amateur and professional pilots.
|VIDEO: Dragonfly helicopter re-powered with turbo charger Subaru engine (note intercooler)|
|VIDEO: Turbine powered DF 333/334 Dragonfly Helicopter|
|Engine||1 X Rotax 914|
|Engine horsepower||115 hp - 84 kw|
|Main rotor blades||Composite|
|Main rotor diameter||22 ft 5 inch - 6.82 m|
|Main rotor rpm||520|
|Tail rotor diameter||1.12 m|
|Fuel capacity||75 litres|
|Fuel consumption||23 litres/hr|
|Gross weight||600 kg|
|Rate of climb||1,280 ft/min - 6.5 m/s|
|Cruise speed||91 kts - 170 km/h|
|Maximum speed (VNE)||102 kts - 190 km/h|
|Service ceiling||10,000 ft - 3,100 m|
|Height (total)||7 ft 9 inch - 2.36 m|
|Height (cabin)||1.72 m|
|Cabin Width||1.30 m|
DF Helicopters was acquired in 2010 by a Swiss Group, Avio International Group.
|VIDEO: SkyEFIS DF Dragonfly Helicopter|
More information can be found at DF Helicopters.