Questions tagged [tanks]

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4
votes
2answers
139 views

How does Orbex save structural weight by using coaxial tanks?

British aerospace company Orbex is developing a small orbital rocket called Prime, which uses propane and liquid oxygen in two coaxial tanks. One key aspect of propane is that it remains liquid at ...
25
votes
4answers
4k views

Will some rockets really collapse under their own weight?

There are a couple of answer here talking about, rockets collapsing under their own weight. One claims it actually happened another says it is possible. I once saw a pic of a retired Atlas on ...
9
votes
4answers
1k views

Are there liquid fueled rocket boosters having coaxial fuel/oxidizer tanks?

Reading this question, instead of stacking two tanks, are there boosters where tanks are coaxial, (like a thermos bottle) having a trussed or tridimensional structure between inner and outer tank? ...
25
votes
6answers
9k views

Why aren't rockets built with truss structures inside their fuel & oxidizer tanks to increase structural strength?

I've been wondering how a rocket fuselage can support all the weight of the upper stages when it is only made of a cylinder of very thin sheet metal. (Especially considering acceleration, vibration ...
2
votes
1answer
81 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
90 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
128 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
195 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
359 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 ...