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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:

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[2]

References

  1. ^ a b "GLL-8 (GLL-VK)". www.globalsecurity.org. Retrieved 4 January 2019.
  2. ^ a b 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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