M-02, M-02J
M-02J in flight
Role Experimental aircraft
National origin Japan
Manufacturer Aircraft Olympos
Designer Satoru Shinohe
First flight 2006
Status Flying
Primary user Kazuhiko Hachiya
Number built 2

The OpenSky M-02/M-02j is a Japanese primary glider/jet-powered motor glider inspired by the Möwe aircraft flown by the protagonist in the Hayao Miyazaki anime Nausicaä of the Valley of the Wind.[1] It is a tail-less design intended to be powered on take off and climb for a duration of 10 minutes, then flown unpowered as a glider. As of June 2006, two aircraft prototypes have 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.[2][3] 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.[4]

Variants

  • 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.[5] The glider version airframe is a collection of 21st Century Museum of Contemporary Art, Kanazawa since 2008.[6]
    • M-02J (14 June 2007) Modified M-02 airframe has had a Jet engine installed.[7] (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.[8]

Specifications (M-02 and M-02J)

Data from OpenSky website[9]

General characteristics

  • Crew: 1
  • Capacity: 50 kg (110 lb) (M-02); 80 kg (176 lb) (M-02J)
  • Length: 2.083 m (6 ft 10 in) (M-02); 2.670 m (8 ft 9.1 in)(M-02J)
  • Wingspan: 9.636 m (31 ft 7.3 in)
  • Height: 1.057 m (3 ft 6 in) (M-02); 1.360 m (4 ft 5.5 in)(M-02J)
  • Wing area: 12.2 m2 (131.3 sq ft)
  • Airfoil: high forward camber, reflexed
  • Empty weight: 50 kg (110 lb) (M-02); 100 kg (220 lb) (M-02J)
  • Gross weight: 105 kg (231 lb)
  • Max takeoff weight: 115 kg (254 lb) (M-02); 180 kg (400 lb) (M-02J)
  • Mean aerodynamic chord: 1287 mm (4.22 ft)
  • Aspect ratio: 3.74 (quite low for a glider)
  • L/D ratio: 10
  • Fuel capacity: 18 L
  • Powerplant: 1 × NIKE :AMT Netherlands (M-02J) , 0.78 kN (176 lbf) thrust

Performance

  • Maximum speed: 70 km/h (43 mph, 38 kn) (M-02); 90 km/h (56 mph; 49 kn) (M-02J)
  • Cruise speed: 60–80 km/h (37–50 mph, 32–43 kn) (M-02J)
  • Stall speed: 36 km/h (22 mph, 19 kn) (M-02); 43 km/h (27 mph; 23 kn) (M-02J)
  • Never exceed speed: 120 km/h (75 mph, 65 kn)
  • Rate of climb: 2.5 m/s (490 ft/min) (M-02J)
  • Wing loading: 8.6 kg/m2 (1.8 lb/sq ft)
  • Thrust/weight: 0.36

References

  1. ↑ "Jet-powered Nausicaa Glider Project". Slashdot. 21 February 2004. Retrieved 2006-06-18.
  2. ↑ "testflight060526_1.mov" (MOV). OpenSky. Petworks.co.jp. 2006. Retrieved 2006-06-18.
  3. ↑ "Project OpenSky Takes Off". Slashdot. 17 June 2006. Retrieved 2006-06-18.
  4. ↑ "M-02J公開試験飛行 20160731 たきかわスカイパーク". Niconico Video. 2016-08-26. Retrieved 2017-04-26.
  5. ↑ "Opensky Q&A". OpenSky. Petworks.co.jp. 2007. Retrieved 2010-02-23. A total of 2 airframes were built from this design, including a practice preliminary glider and a Jet engine installed self-powered aeroplane. [With no intention to mass-produce.] (この機体は、訓練用の初級滑空機とジェットエンジンを載せた自作航空機の２機を制作し、合計２機で運用の予定です。（量産化の予定はいまのところありません）)
  6. ↑ "［ID:345］ M-02 ： Detail | COLLECTION | 21st Century Museum of Contemporary Art, Kanazawa". 21st Century Museum of Contemporary Art, Kanazawa. Retrieved February 26, 2022.
  7. ↑ "Opensky Q&A". OpenSky. Petworks.co.jp. 2007. Retrieved 2010-02-23. Can this airframe fly by itself immediately? As of 2007, a test model M-02J installed with a jet engine that can make it fly by itself is planned. The current airframe is being modified and tested. (■この機体は、今すぐ自力で飛べるの？□2007年には自力で飛べるようなジェットエンジンを搭載した試作機M-02Jを作る予定で,現在機体の改造やテストなど行っています。)
  8. ↑ "- YouTube". YouTube.
  9. ↑ Hachiya, Kazuhiko. "OpenSky Q&A" (in Japanese). OpenSky Project. Retrieved 2006-10-09.
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