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Questions tagged [tanks]

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2
votes
1answer
74 views

How to find an optimal number of propellent tanks?

My idea: If the propellent mass to tank mass ratio remains constant when increasing/decreasing the amount of propellant then you could increase $\sum \Delta v$, by splitting the propellent tank and ...
1
vote
0answers
67 views

Cryogenic liquid pressurization resulting in overpressurized tank

I want to pressurize a cryogenic liquid (LN2 in this test. Eventually LOX). I have a setup similar to this and follow a similar procedure to what is described, but I don’t see the same tank pressure ...
3
votes
0answers
117 views

Do rocket labs store propellants at higher pressure than the other rockets?

It is known that the Rutherford engines run on an electric pump-fed cycle. There must be a trade-off between the tank pressure of the electron rocket and battery capacity, for batteries are dead ...
5
votes
0answers
164 views

Why is heated Helium used for tank pressurisation in Falcon 1?

Here in Falcon 1 user guide, in table 2-1 in page 8, heated Helium is mentioned as used for tank pressurisation. What will be the temperature of such He and why is heated He used?
2
votes
0answers
299 views

Safety of carbon fiber oxygen tanks

It seems that there has been controversy as to how safe carbon fiber can be for LOX tanks. In early tests, materials were found to be too ready to combust. This has been a stumbling block for ...