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Hachiya OpenSky M-02 / M-02J
Aircraft Olympos M-02



Designed by Satoru Shinohe, the OpenSky M-02 glider/jet-powered motor glider is based on the 'Mehve' glider seen in the 1984 anime film, directed by Hayao Miyazaki, Nausicaä of the Valley of the Wind. In the film, Nausicaa takes flight uses the Mehve - the name taken from the German "Möwe", meaning 'gull' - to survey a toxic wasteland.
The M-02J is the work of Kazuhiko Hachiya, who has been working to produce a pilotable version of the aircraft since 2014. Like the animated version, Hachiya's craft is built around a small jet engine, which is used to achieve take off, climb for a duration of 10 minutes, and attain gliding altitude.
Hachiya’s Mehve, called the OpenSky, has been through several versions since 2003. The original version was radio-controlled, but Hachiya himself took to the sky on OpenSky 3.0. It was this model he planned to show to the public.
The craft boasts a 963cm wingspan and a 267cm fuselage. Like in the film, the pilot lies flat against the top pf the vehicle, and steers by shifting their weight around.
As of June 2006, two aircraft prototypes had been constructed, and one has successfully completed a series of 10 unpowered test flights where it flew 98 meters and achieved an altitude of 4 meters after being tow-launched by a tensed elastic cable. The project is led by artist Kazuhiko Hachiya and design by Satoru Shinohe and manufactured by Aircraft Olympos.
The Jet engine installed version, M-02J, had public demonstration flight in June 2016 at Takikawa, Hokkaido.
Hachiya - a pilot and artist, who conducted the flight in a helmet decorated with wings - hoped to improve stabilisation for future efforts.


Möwe 1/2 (メーヴェ1/2) — sub-scale, radio-controlled development aircraft
M-01 — unpowered development aircraft
M-02 a total of 2 airframes of M-02 were built, 1 for preliminary gliding practice and 1 for installing Jet engine with no intention to mass-production.
(14 June 2007) Modified M-02 airframe has had a Jet engine installed. (14 April 2010) Vehicle M-02 has undergone high speed taxi tests at Fukusima Sky Park runway, in order to evaluate stability and acceleration. More details of the jet engine assembly are available, and the engine has a considerable separation from the walls of the engine pod, in order to permit better cooling and prevent the wood and composite airframe from encountering an excessive fire risk.
Engine: 1 × (undisclosed engine), 40 kg (88 lbf)
Wingspan: 9.636 m (31.61 ft)
Wing area: 12.2 m² (131.3 sq ft)
Aspect ratio: 3.74
Airfoil: high forward camber, reflexed
Mean aerodynamic chord: 1.287 m (4.22 ft)
Length: 2.083 m (6.83 ft)
Height: 1.057 m (3.47 ft)
Empty weight: 50 kg (110 lb)
Useful load: 50 kg (110 lb)
Loaded weight: 105 kg (231 lb)
Max. takeoff weight: 115 kg (253 lb)
Fuel capacity: 10 L (planned)
Never exceed speed: 200 km/h (124 mph)
Maximum speed: 120 km/h (75 mph)
Cruise speed: (projected) 50–90 km/h (31–56 mph)
Stall speed: 36 km/h (23 mph)
Wing loading: 8.6 kg/sq.m (0.0122 lb/
Thrust/weight: 0.36
Seats: 1
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