The Viking Dragonfly is an American amateur-built aircraft, designed by Bob Walters and produced by Viking Aircraft LLC of Elkhorn, Wisconsin. The aircraft is supplied as a kit or as plans for amateur construction.
Design and development
The Dragonfly is a two-seater variant of the Rutan Quickie. The aircraft features a tandem wing layout with a forward wing mounted low and the other behind the cockpit in a shoulder position, a two-seats-in-side-by-side configuration enclosed cockpit under a bubble canopy, fixed landing gear and a single engine in tractor configuration. The cockpit is 43 in (109 cm) wide
The aircraft is made from composites. Its forward 20 ft (6.1 m) span wing employs a GU25-5(11)8 mod airfoil, when the aft wing (span 22 ft) uses an Eppler 1212 airfoil. Both wings have a total area of 92.2 sq ft (8.57 m2). Standard engines used include the 60 hp (45 kW) Volkswagen air-cooled engine and the 85 hp (63 kW) Jabiru 2200 four-stroke powerplants. Construction time from the supplied kit is estimated as 700 hours, while from plans is estimated at over 1200 hours.
Dragonfly Mk I
Original version with main landing gear mounted in fairings at the lower wing tips. Operations require paved runways and wide taxiways due to widely spaced main wheels.
Capacity: 1 passenger
Length: 19 ft 0 in (5.79 m)
Wingspan: 22 ft 0 in (6.71 m)
Height: 5 ft 6 in (1.68 m)
Wing area: 92.1 sq ft (8.56 m2)
Empty weight: 600 lb (272 kg)
Gross weight: 1,250 lb (567 kg)
Powerplant: 1 × Jabiru 2200 air-cooled flat-four
Cruise speed: 130 mph (209 km/h; 113 kn)
Stall speed: 55 mph (89 km/h; 48 kn)
Never exceed speed: 180 mph (290 km/h; 156 kn)
Range: 500 mi (434 nmi; 805 km)
g limits: +4.4, -2.0
Rate of climb: 850 ft/min (4.3 m/s)
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