/sci/ - Science & Math

>>12451221

>>12401917
Insulation and active cooling would probably solve those issues. Even ULA was confident that they could handle hydrogen boiloff.

>>12276455
They could coexist.

>>12231315

>>12172375

>>12156923
>How does hydrolox fair in a vacuum
About 28% more efficient than kerolox, and about 18% more efficient than methalox which is a substantial improvement and was why the Apollo program perused it so much.
>does it have the boil-off issue?
I think it's less of an issue in space since there would be no "hot" air blowing over the tank and heating it up. Sunlight would still heat the tank, but that can be managed long enough until the hydrogen is used up. ULA had long term storage plans involving sunshields. IIRC there are also hyrdolox upper stages for geostationary transfer burns that are completely fine with coasting for hours.

>>11926454
>Tory said vulcan heavy was theoretically compatible with SMART, but I'm increasingly doubtful SMART is gonna happen in any kind of timely fashion.
It's pretty clear that SMART will take a while to come into fruition. ULA has some brilliant people, but they move at government speeds.

>>11926461
What did China steal this time?

>>11836933
Someone should find those research papers and send copies of it to Shelby every week.

>>11836941
He doesn't care. Only jobs in Alabama.

>>11801378
This scares the doomer oldspace shill.

>>11714310
One could shield the tank heavily enough to slow down the boil off to the point where it isn't a significant issue, but that would add too much weight to be practical for a rocket propellant tank. Could work for a d*p*t.

>>11519799
>>11519804
kek