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Update on TDS-01.😃 ISRO to demonstrate indigenously developed electric propulsion system on satellite The system will be demonstrated on board a Technology Demonstration Satellite that is expected to be launched in the second half of 2024. Chemical propellants now A comparison

Electric propulsion systems

Update on RTEGs. ISRO, BARC join hands to develop nuclear engines for rockets According to sources, ISRO-BARC are developing what are called Radio thermoelectric generators

About TDS-01 electric thrusters from Reddit (1 year old post from Ohsin). Upcoming Technology Demonstration Satellite 01 (TDS-01) will be on PSLV-C54. Launch aiming for end of March 2022. Two official communiqué from Institute of Plasma Research, Gandhinagar and CSIR-CEERI, Pilani suggest...

May be. Except GSAT-20 (to be launched) and GSAT-4 (rocket failed), other 2 satellites are already in orbit.

Once ready, ISRO will be able to send missions to external planets like upto Uranus or Pluto and further beyond solar system missions like RTEG.

Nascent RTEGs already in development by BARC. Thanks @mandestiny for finding this;

ISRO already has its own plasma thrusters on GSAT-9, those being developed by private sector may be of different type or being reinvented.

*Electric thrusters, ion and plasma are two of its types Don't know, I do not have access to or found any detailed report so far.

ISRO plans new propulsion for deep space missions

Old EOI from 2017 https://www.isro.gov.in/sites/default/files/tenders/pteoi-10.pdf Once India masters ion propulsion tech, all of future Indian satellites will based on ion and plasma thrusters instead of mini liquid-fueled rockets on satellites.

GSAT-4 had partial ion propulsion systems (Hall effect thrusters) but was destroyed in GSLV D3 failure. GSAT-9 (now SAARC satellite) had partial power from 4 plasma and electric thrusters. GSAT-20 (now CMS03) to be launched sometime in 2021 will be full electric.

Malfunction of retro thrusters being used to put "brakes" on spacecraft and lower the falling speed was what did not let Vikram lander soft land on the surface of Moon. https://www.isro.gov.in/update/26-oct-2018/chandrayaan-2-lander-actuator-performance-test-lapt-phase-2 And hence...

For visual reference: NASA's Lunar Orbiter LADEE with thrusters; ISRO's IRNSS1F during integration

For anyone wondering what kind of things I'm posting, so these are power systems on aircraft. Off any purpose like Thrusters pushing satellites into MEO from LEO, GEO from GTO, EPO to Lunar, Venusian or Martian orbits or de-orbiting satellites to be destroyed on purpose. Retro thrusters of...

Timeline of LPSC