3 ms·
But it's not even in use now, when, if it could be used as a cheaper fuel, it would. Becoming common still needs for there to be some usage, even before it bec
by _joel 5y ago
But it's not even in use now, when, if it could be used as a cheaper fuel, it would.
Becoming common still needs for there to be some usage, even before it becomes common.
- simonh 5y agoApollo Constellation Engine designed their propulsion systems for mega constellations to use mercury, which is what got PEER involved in this. Popular Mechanics also reported on their plans. Even if Apollo changed their minds since, that's a pretty significant 'near miss'. https://ecfsapi.fcc.gov/file/111998371507/11_19_18_FCC_complaint.pdf https://ecfsapi.fcc.gov/file/111998371507/11_19_18_FCC_compl... https://www.popularmechanics.com/space/rockets/a25242578/apollo-fusion-mercury/ https://www.popularmechanics.com/space/rockets/a25242578/apo...