Looking forward to this as well as Astrophel Aerospace's Hopper experiment that is supposed to happen this year or the next.
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Astrophel Aerospace is an Indian space-tech company building affordable, dedicated launch vehicles for small satellites.
www.astrophelaerospace.in
I think these two companies (Agnikul & Astrophel) are the closest to cracking booster reusability for small/medium rockets. Though EtherealX is aiming for full-reusability (booster + upper stage) on a larger rocket, that will take more time and more funding to build...as will ISRO's gigantic NGLV.
This is by far the most consequential private-sector space development in the country. Yes, even more than Skyroot's maiden launch in many ways.
If Astrobase can productionize their 800 kN LOX-Methane cycle, it means we've essentially cracked an indigenous Merlin 1D-class (nearly) reusable engine. Except it's Methane instead of RP-1/Kerosene, so in a way even better, like Raptor. Of course being an FFSC it's much more complex & advanced than Merlin's G-G cycle (it's closer to Raptor in that sense, though much less powerful). This can be scaled later though, given enough investment.
But even the existing 800-kN design has so many applications. Cluster about a dozen of them together, you've essentially got a Falcon 9-class rocket.
Can't wait for Friday!
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I figured that engine is too small to be an upper stage motor for any sizeable rocket so I looked it up and apparently, Manastu's GP-LAM is the engine behind Latitude's Auxiliary Propulsion System (APS) on the upper stage of their rocket, not the main motor, which is their own 'Navier'.
GP-LAM is a 300 N thruster using non-toxic MS289 green propellant, ideal for upper stages of Launch Vehicles, OTVs & GEO spacecraft. Compact, modular and safe, it enables LEO circularization, GTO-GEO transfer, trajectory correction, and collision avoidance, enabling a range of advanced orbital...
manastuspace.com
The APS is designed to assist in circularization/fine-tuning of the orbit insertion, as well as enable eventual de-orbitation of the upper stage (space debris mitigation):
Meet Zephyr, built on proven flight technologies. Designed and built in France, our launcher is compact yet powerful, capable of carrying 200 kg to LEO.
www.latitude.eu
^^ See Step 7 and Step 9 of their launch animation halfway down the page.
Glad to see component-level industry developing into an export-ready stage, and in a critical segment like propulsion!
Great to hear, especially as a million $ in India gets you a LOT farther than a million $ in the US.
Astrobase was able to prototype an FFSC engine with a seed funding of $10 million! Yes, in some ways they are able to benefit from the knowledge base & infrastructure of ISRO but still that's a huge achievement as ISRO itself hasn't even attempted an FFSC cycle yet!
Oh and I've seen in some interviews of Skyroot's founders that there has been significant 'reverse brain-drain' in the space sector in recent years i.e. many Indian-origin professionals working in US spacetech sector coming back to work with domestic companies.
Everything said & done, this is awesome progress within just ~6 years of the space sector being opened up to full-scale private investment.