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At some point economical aspects are also important. If fuel was available for gas engines but it was rare, it doesn't matter how energy-dense it is if it's ex
by fullstop 5y ago
At some point economical aspects are also important. If fuel was available for gas engines but it was rare, it doesn't matter how energy-dense it is if it's expensive.
- dnautics 5y agoyep. The Soyuz was supposed to run on Syntin but then they reverted back because the added energy density and payload capacity (something like 30%) was not worth the manufacturing cost. https://en.wikipedia.org/wiki/Syntin https://en.wikipedia.org/wiki/Syntin Edit: Soyuz U2 (Syntin version) launched 72!! rockets. Then they reverted back.