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Aerotecknik CZ Sro EV-55 Outback
Evektor EV-55 Outback
In 2004 Evektor announced its plan to design and construct a two-engined utility aircraft that would carry up to 14 passengers or 4000 lb (1800 kg) of cargo, and operate from unimproved fields and at high-altitude airports.
The EV-55 is of conventional high-wing utility design with a T-tail. The prototype aircraft is powered by Pratt & Whitney PT6A-21 turboprop engines (535 shaft horsepower), driving four-blade propellers. The wing is mounted atop a nearly-square fuselage, which has five windows per side. The trailing-link tricycle landing gear retracts into the nose section or pods on the lower fuselage. Expected maximum cruise speed is 220 knots (407 km/h).
The 5.02m x 1.61m cabin standard layout is five and four seats with a cargo compartment separated by a semi bulkhead and an L-410 sized double door at the rear. It is equipped with a full glass cockpit, Czech firm Avia makes the four-blade propellers and Aero Vodochody the landing gear.
The first prototype, an EV-55M (military version), flew from Kunovice Airport in June 2011, with company pilot Josef Charvat and military pilot Maj. Jiri Hana at the controls. It was estimated at $2.1 to $2.2 million in 2012. The first production-conforming aircraft flew from Kunovice in April 2016.
In June 2018, its price was $4 million and two aircraft should finish development flights with 200 hours in 2016, for 500 total hours. Evektor secured enough investment to complete the certification process scheduled for 2017, with a minority investment from a Malaysian company backed by the country's former premier Mahathir bin Mohamad, but not to begin full production.
With nine passengers, range is 800nm (1,480km), it can take-off in 410m and land in 520m and with more speed, range and short take-off and landing capability, it can replace ageing piston-twins.
The project's development was suspended on 16 March 2017 due to "some uncertainties" with Evektor's Malaysian investor.
By December 2018, it was touted as a basis for an EVE-55 hybrid electric aircraft conversion to fly in 2020, with only one PT6A-21 running a 400 kW (540 hp) generator in the rear compartment, for much lower noise, an 18% fuel saving and the same payload and performance: a 3 hours endurance and 40 minutes from electric power only.
Engines: 2 × Pratt & Whitney Canada PT6A-21 turboprop, 399 kW (535 hp) each
Propellers: 4-bladed AVIA AV-844, 2.082 m (6 ft 10 in) diameter
Wingspan: 16.10 m (52.82 ft)
Length: 14.35 m (47 ft 1 in)
Height: 4.66 m (15.28 ft)
Empty weight: 2,597 kg (5,725 lb)
Max takeoff weight: 4,600 kg (10,141 lb)
Fuel capacity: 1,656 kg (3,651 lb)
Maximum speed: 410 km/h (250 mph, 220 kn) 10 000 ft
Stall speed: 119 km/h (74 mph, 64 kn) with flaps, 77 knots without
Range: 1,713 km (1,064 mi, 925 nmi) , 2,000 lb (907 kg) payload
Capacity: 1 776 kg / 3 915 lb payload, 14 pax
Crew: 2
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