Engineering:GLL-8 (Gll-VK) Igla
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GLL-8 (GLL-VK), nicknamed "Igla" (eng. needle), is a Russian hypersonic flight flying laboratory. It saw its first flight in 2005. It is part of Russia's ongoing ORYOL-2-1 research programme. Under ORYOL-2-1, the Gromov Flight Research Institute in Moscow has developed two possible Igla designs,[1][2] and is leading an SSTO spaceplane effort and a two-stage-to-orbit design conceived to build a "Mir-2" space station.[1][3][4][5]
Purpose
The purpose of this "flying laboratory" is technical data study of hypersonic speeds, which cannot be done with average engines, and other crewed experimental flight-craft. This study includes the following:
- Aerodynamic properties at hyper sonic speeds
- Maneuverability at different speeds
- G-force effects on fuselage at high speeds
- Scramjet studies[6]
Vehicles associated with the GLL-8
Vehicle | Speed | Altitude | Length | Mass | Firing duration | Details |
---|---|---|---|---|---|---|
GLL-31 | Mach 2-9 | 18–35 km | 8 m | 3,800 kg | 50 s | Aircraft dropped, hydrogen-fueled scramjet engine |
GLL-8 (GLL-VK) | Mach 15 | 70 km | 8 m | 2,200 kg | 20-50 s | Rocket-launched, hydrogen-fueled three-mode scramjet engine |
GLL-AP-02 | Mach 6 | 27 km | 3 m | 550–600 kg | Missing data | Hydrocarbon-based fueled ramjet prototype for high-altitude test stand tests[2] |
References
- ↑ 1.0 1.1 "GLL-8 (GLL-VK)". https://www.globalsecurity.org/wmd/world/russia/gll-8.htm. Retrieved 4 January 2019.
- ↑ 2.0 2.1 Drew, James (28 August 2015). "MAKS: Russia's hypersonic scramjet experiment could fly by 2019". https://www.flightglobal.com/news/articles/maks-russias-hypersonic-scramjet-experiment-could-fly-by-416192/. Retrieved 4 January 2019.
- ↑ "Towards hypersonic flight". 26 November 1997. https://www.flightglobal.com/news/articles/towards-hypersonic-flight-30037/.
- ↑ Advanced aerospace systems with intercontinental and global range of flight
- ↑ Laura Saalman (January 2017). "Factoring Russia into the US–Chinese Equation on Hypersonic Glide Vehicles". SIPRI. https://www.sipri.org/publications/2017/sipri-insights-peace-and-security/factoring-russia-us-chinese-equation-hypersonic-glide-vehicles.
- ↑ "Hypersonic vehicles". http://www.russianspaceweb.com/gla.html. Retrieved 4 January 2019.
Original source: https://en.wikipedia.org/wiki/GLL-8 (Gll-VK) Igla.
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