ISRO reference study

GSLV

geosynchronous transfer launch vehicle. Architecture: Three-stage vehicle using solid core, liquid strap-ons/liquid stage, and cryogenic upper stage.

Use in design study

Launch visual

Reusable launch vehicle image

This page includes the generated launch image as an in-page visual, tied to vehicle architecture and mission delivery.

Reusable launch vehicle image

Vehicle Details

Height51.73 m with ogive payload fairing
Lift-off mass420 t class
Stages3
Payload2,250 kg to GTO, 6,000 kg to LEO
Upper stageCE-7.5 cryogenic upper stage

AeroVectrix Study Notes

  • GSLV is a reference for cryogenic upper-stage integration and GTO mission design.
  • AeroVectrix study focus: cryogenic stage complexity, ground support, thermal conditioning, and upper-stage restart logic.

Working Model

Ascent

Mission begins with thrust-to-weight margin, guidance through dense atmosphere, max-Q load management, and staging when the lower stage has delivered useful impulse.

Staging

Separation events must protect vehicle attitude, avoid recontact, confirm engine start conditions, and preserve payload environment limits.

Mission Assurance

Public vehicle studies should track assumptions, review dates, risk areas, and unknowns rather than overclaim exact proprietary data.