India GSLV MK II Launch

Image credit & copyright: India Space Research Organization (ISRO). Live streaming links and information at the bottom of the post.

LAUNCH ALERT! Thursday, March 29, 2018 at 07:26 EDT (11:26 UTC), the Indian Space Research Organization (ISRO) will be launching a Geosynchronous Satellite Launch Vehicle (GSLV) MK II, designated “GSLV-F08” carrying the GSAT-6A communication satellite from the Second Launch Pad (SLP), at the Satish Dhawan Space Center, Sriharikota, India.

GSLV-F08 will be the 12th flight of the GSLV rocket and its 6 flight in the MK-II configuration.

India’s Geosynchronous Satellite Launch Vehicle (GSLV-MK II):

Height: 49.1 m (161 ft.)

Core Diameter: 2.8m (9.2 ft.)

Width at Base:

Stages: 3

Boosters: 4

Total Engines: 7 (5 in the first stage, 1 in the 2nd stage and 1 in the 3rd stage)

Total Liftoff Thrust (S139 & 4 boosters)(sea level): 7,740 kN (1,780,000 lbf)

Gross Mass: 414,750 kg (914,370 lb.)

Payload to Low Earth Orbit (LEO): 5,000 kg (11,000 lb.)

Sun Synchronous Orbit (SSO):

Payload to Geostationary Transfer Orbit (GTO): 2,500 kg. (5,500 lb.)

Payload to Geostationary Earth Orbit (GEO):

Cost: $47 million USD

Payload Fairing: The GSLV payload fairing is a two-shell, 8.3 m (27 ft. 3 in.) long, 3.4 m (11 ft. 2 in.) diameter protective enclosure that protects the spacecraft until it is high enough to be safe from atmospheric turbulence and is.

Cryogenic Upper Stage (CUS): Third stage is 3.5 m (11 ft. 6 in.) in length and 2.8 m (9 ft. 2 in.) in diameter. Its single CE-7.5 engine utilizes liquid hydrogen and liquid oxygen (LOX/LH2) and has a burn time of 720 seconds.

Height: 8.7 m. (29 ft.)

Diameter: 2.8 m (9.2 ft.)

Engine(s): 1 CE-7.5

Engine Chambers: 1

Engine Type: Staged combustion (closed cycle)

Propellant Feed: Turbopump

Chamber Pressure (sea level/vacuum): 5.8 MPa or 58 bar/7.5 MPa or 75 bar

Fuel Type: Liquid

Fuel: Liquid hydrogen (LH2)

Oxidizer: Liquid Oxygen (LOX). LOX is often coupled with rocket propellant-1 (RP-1), liquid hydrogen (LH2) and methane (CH4) as it creates a high specific impulse.

Single CE-7.5 Thrust (vacuum): 75 kN (17,000 lbf.)

Specific Impulse (vacuum): 454 s

Burn Time: 718 s

Restart Ability: No

Reusable: No

Second Stage (GS2):

Height: 11.6 m. (38 ft.)

Diameter: 2.8 m (9.2 ft.)

Engine(s): Single GS2 Vikas 4 engine

Engine Chambers: 1

Engine Type (cycle): Gas generator

Propellant Feed: Turbopump

Chamber Pressure: 5.8 MPa or 58.5 bar

Fuel Type: Liquid

Fuel: Unsymmetrical dimethylhydrazine (UDMH)

Oxidizer: Dinitrogen tetroxide (N2O4)

Thrust (vacuum): 800 kN (180,000 lbf.) 

Specific Impulse (vacuum): 295 s

Burn Time: 139 s

Restart Ability: No

Reusable?: No

S139 Core Stage (GS1):

Height: 20.3 m. (66 ft.)

Diameter: 2.9 m (9.2 ft.)

Width: 7.1 m (23.3 ft.)

Engine(s): Single S139 engine

Engine Chambers: 1

Engine Type (cycle): Gas generator (open-cycle)

Propellant Feed: Turbopump

Chamber Pressure:

Fuel Type: Solid

Fuel: Hydroxyl-terminated polybutadiene (HTPB)

Single S139 Thrust (sea level): 4,700 kN (1,100,000 lbf)

Total Liftoff Thrust (S139 & 4 boosters)(sea level): 7,740 kN (1,780,000 lbf)

Specific Impulse (sea level): 237 s

Burn Time: 100 s

Restart Ability: No

Reusable?: No

 

Strap-On Boosters:

Height: 19.7 m. (64.8 ft.)

Diameter: 2.1 m (6.9 ft.)

Engine(s): Each has 1 L40H Vikas 2 engine

Engine Type (cycle): Gas generator (open-cycle)

Propellant Feed: Turbopump

Engine Chambers: 1

Chamber Pressure:

Fuel Type: Liquid

Fuel: Unsymmetrical dimethylhydrazine (UDMH)

Oxidizer: Dinitrogen tetroxide (N2O4)

Single L40H Thrust (sea level): 760 kN (170,000 lbf.)

Total Thrust at Sea Level (4 boosters): 3,040 kN (680,000 lbf)

Specific Impulse (sea level): 262 s

Burn Time: 154 s

Restart Ability: No

Reusable?: No

Stream Live:

ISRO: http://www.isro.gov.in

Facebook: https://www.facebook.com/isro

Doordarshan: http://www.ddindia.gov.in/Pages/Home.aspx

Doordarshan LIVE YouTube: https://www.youtube.com/watch?v=xPPV46KaR5o

Doordarshan National LIVE YouTube: https://www.youtube.com/watch?v=fujsQ5teHJI

GSLV-F08 Mission Information: 

GSLV-F08 mission page: https://www.isro.gov.in/gslv-f08-gsat-6a-mission

General 2018 Launch Schedule (Wiki): https://en.wikipedia.org/wiki/2018_in_spaceflight

Indian Space Research Organization (ISRO) Social Media:

ISRO: http://www.isro.gov.in

Facebook: https://www.facebook.com/isro

Twitter: https://twitter.com/isro

ISRO Wiki: https://en.wikipedia.org/wiki/Indian_Space_Research_Organisation

Geosynchronous Satellite Launch Vehicle (GSLV):

ISRO GSLV page: https://www.isro.gov.in/launchers/gslv

ISRO GSLV launch list: https://www.isro.gov.in/launchers/list-of-gslv-launches

GSLV Wiki: https://en.wikipedia.org/wiki/Geosynchronous_Satellite_Launch_Vehiclec

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