The Yuneec EViva is a Chinese
low-wing, two-seat
motor glider that was designed by Martin Wezel is now under development by
Yuneec International
Yuneec International is a Chinese aircraft manufacturer based in Jinxi, Kunshan, a town in Jiangsu owned through an off-shore Cayman Islands holding company, Yuneec Holding Limited. Yuneec was originally a manufacturer of radio-controlled mode ...
of
Kunshan
Kunshan is a county-level city in southeastern Jiangsu province with Shanghai bordering its eastern border and Suzhou on its western boundary. It is under the administration of the prefecture-level city of Suzhou.
Name
There is a strong pos ...
,
Jiangsu
Jiangsu (; ; pinyin: Jiāngsū, Postal romanization, alternatively romanized as Kiangsu or Chiangsu) is an Eastern China, eastern coastal Provinces of the People's Republic of China, province of the China, People's Republic of China. It is o ...
.
[Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 139. WDLA UK, Lancaster UK, 2011. ]
Design and development
The EViva was originally designed by Martin Wezel in conjunction with the
Czech company
Composit and initially intended to be powered by a
Rotax 503 two-stroke
A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being comple ...
or
HKS 700E
The HKS 700E is a twin-cylinder, horizontally opposed, four stroke, carburetted aircraft engine, designed for use on ultralight aircraft, powered parachutes and ultralight trikes. The engine is manufactured by HKS, a Japanese company noted for ...
four-stroke
A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...
powerplant. The design was purchased by Yuneec, development shifted to China and the aircraft was adapted for
electric power
Electric power is the rate at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second. Standard prefixes apply to watts as with other SI units: thousands, millions and billions o ...
.
The aircraft was designed to comply with the
Fédération Aéronautique Internationale
The (; FAI; en, World Air Sports Federation) is the world governing body for air sports, and also stewards definitions regarding human spaceflight. It was founded on 14 October 1905, and is headquartered in Lausanne, Switzerland. It maintai ...
microlight rules. It features a cantilever wing, a
T-tail
A T-tail is an empennage configuration in which the tailplane is mounted to the top of the fin. The arrangement looks like the capital letter T, hence the name. The T-tail differs from the standard configuration in which the tailplane is ...
, a two-seats-in-
side-by-side configuration
Tandem, or in tandem, is an arrangement in which a team of machines, animals or people are lined up one behind another, all facing in the same direction.
The original use of the term in English was in ''tandem harness'', which is used for two ...
enclosed cockpit under a
bubble canopy, retractable
monowheel gear with
wing tip and tail
casters, and a single electric motor in
tractor configuration driving a folding propeller.
The aircraft is made from composites. Its span wing has an area of and upper wing telescopic
air brakes as well as
flaps. The wing is derived from the
Wezel Apis 2
The Wezel Apis 2 is a German mid-wing, T-tailed, single-seat motor glider that was designed and produced by Wezel Flugzeugtechnik.Bertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003-04'', page 60. Pagefast Ltd, Lanca ...
wing. The standard engine fitted is the
Yuneec Power Drive 40
The Yuneec Power Drive 40 is a Chinese electric motor for powering electric aircraft, designed and produced by Yuneec International of Kunshan, Jiangsu.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', ...
electric motor
An electric motor is an Electric machine, electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a Electromagneti ...
, controlled by a Yuneec Power Block 40 400 Amp power controller and powered by two Kokam
Lithium polymer battery packs of 31
ampere hour
An ampere hour or amp hour (symbol: A⋅h or A h; often simplified as Ah) is a unit of electric charge, having dimensions of electric current multiplied by time, equal to the charge transferred by a steady current of one ampere flowing for on ...
s (Ah) each (62 Ah total). The engine weighs , the controller and the batteries weigh in total. The propeller folds aft into the engine cooling vents when not in use and deploys automatically on engine start. The batteries are charged by a Yuneec E-Charger that can run on 110-240 volts and charge in 3–4 hours. The aircraft will come equipped with a
Ballistic Recovery Systems
Ballistic Recovery Systems, Inc., doing business as BRS Aerospace (and commonly referred to as simply BRS), is a manufacturer of aircraft ballistic parachutes.
The company was formed in 1980 by Boris Popov of Saint Paul, Minnesota, after he su ...
ballistic parachute
Specifications (EViva)
See also
References
External links
*
{{Yuneec International aircraft
2000s Chinese sailplanes
Electric aircraft
EViva