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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, and is leading an SSTO spaceplane effort and a two-stage-to-orbit design conceived to build a "Mir-2" space station.

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

Vehicles associated with the GLL-8

GLL-AP
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

References

  1. ^ "GLL-8 (GLL-VK)". www.globalsecurity.org. Retrieved 4 January 2019.
  2. ^ Drew, James (28 August 2015). "MAKS: Russia's hypersonic scramjet experiment could fly by 2019". Flightglobal.com. Retrieved 4 January 2019.
  3. "Towards hypersonic flight". Flightglobal.com. 26 November 1997. Retrieved 4 January 2019.
  4. Advanced aerospace systems with intercontinental and global range of flight
  5. Laura Saalman (January 2017). "Factoring Russia into the US–Chinese Equation on Hypersonic Glide Vehicles". SIPRI. Retrieved 6 March 2023.
  6. "Hypersonic vehicles". www.russianspaceweb.com. Retrieved 4 January 2019.
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