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LVM3 Semi-Cryogenic Upgrade: SE2000 Engine Due by 2027

4 August 20251 min read
SCIENCE & TECHNOLOGYLVM3Semi-CryogenicUpgrade: SE2000Engine Due by 20274 August 2025safalsetu.com

Why in the news

ISRO is getting ready to launch an LVM3 rocket fitted with a semi-cryogenic propulsion stage by early 2027. The step should strengthen launch capability and cut reliance on engines from abroad.

Key facts

  • LVM3 (earlier called GSLV Mk III) is India’s most powerful rocket.
  • It will swap the existing L110 liquid stage for a semi-cryogenic one.
  • SE2000 engine is in the testing phase.

Old versus new

FeatureCurrent setupUpgrade
StageL110 liquid propellant stageSemi-cryogenic stage
PropellantTraditional hypergolic fuelsRefined kerosene (RP-1) with liquid oxygen (LOX)
Thrust80 tonnes (Vikas engine)200 tonnes (SE2000 engine)

Exam angle

  • Semi-cryogenic fuel pair: RP-1 and LOX.
  • Engine under testing: SE2000.
  • Former name of LVM3: GSLV Mk III.

Test yourself

1. Which engine will power the semi-cryogenic stage planned for the upgraded LVM3?

The SE2000 semi-cryogenic engine is under testing and gives 200 tonnes of thrust.

2. The semi-cryogenic stage for LVM3 will use which propellant combination?

The notes state the new stage uses RP-1 and liquid oxygen.

3. What was LVM3 formerly known as, and which stage will its semi-cryogenic unit replace?

LVM3 was formerly GSLV Mk III and will replace the L110 liquid stage.

This topic is part of Daily Current Affairs 3 & 4 August 2025 (14 topics).

All topics of the dayDay quizAugust 2025

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