Questions tagged [green-propellant]

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-3 votes
2 answers
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Why isn't oil used for rockets? [closed]

Most people know that when you add oil to a fire, it grows rapidly and becomes more powerful. So, why isn't added into the propellant just before it comes out of the engine?
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2 votes
0 answers
41 views

Prop feed with Anhydrous Ammonia in Microgravity

Considering contributing to an SBIR through my PhD where we're looking at NH3 as a green prop solution. Need to figure out how to feed vapor from a liquid/mixed phase tank to the a prop system. ...
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2 votes
2 answers
253 views

Is there a "green" hypergolic propellant?

Is there any such thing as a non-cryogenic, liquid, "green" hypergolic bipropellant, where green means environment friendly and non-toxic?
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20 votes
1 answer
772 views

What is the MXP-351 storable bipropellant?

Masten Space Systems has a proprietary hypergolic bipropellant called MXP-351 intended for use in the XL-1 lunar lander. We seem to know the following information: Non-cryogenic, with storage life of ...
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4 votes
2 answers
266 views

Bio-Fuel for Rocket Science

In season 1 of the 2018 Lost In Space Series which aired on Netflix† the last Episode has the Robinson family using the by-products of living beings (faeces) as biofuel. If we were to use the same ...
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  • 482
18 votes
3 answers
6k views

Is the EU really banning "toxic propellants" in 2020? How is that going to work?

This comment links to an archived presentation by Tesseract "The space transportation company offering revolutionary propulsion" says on slide 8: Timing is right Small satellite ...
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7 votes
1 answer
545 views

What is Tesseract's "secret sauce"? (green propellant)

TechCrunch's Tesseract makes spacecraft propulsion smaller, greener, stronger tells us to "ditch the hazmat suits" and https://www.tesseract.space/products-and-services lists the Lyra 22 (i.e. 22 ...
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4 votes
3 answers
969 views

Is HAN-water propellant "green" enough to ever be used in a cubesat?

I just read about the "green" propellant Hydroxylammonium nitrate writing this answer. It will be tested in the Green Propellant Infusion Mission (also see GPIM AF-M315E Propulsion System). Catalytic ...
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