On Mon, 21 Jul 2003, Ian Woollard wrote:
> Has anyone got any experience or opinions on making low pressure (<~6
> bar) LOX/Fuel pressurised tanks out of 1mm (50+ thou) using glued joints?
The idea is not ridiculous; the Mockingbird guys at LLNL thought about
glued seams for their 15psi tanks.
> ...I was also thinking it might be
> necessary to use some sort of pump inside the tank to spray its contents
> around to minimise temperature differences during ascent (don't want the
> glue to melt!)
It's probably simpler to just put a thin layer of cork on the outside for
thermal protection. That said, the Mockingbird guys did also consider
propellant fountains for active cooling of the tank walls.
The final Mockingbird design -- insofar as the project got as far as a
final design -- didn't have either of those features, but my impression is
that they were considered credible approaches.
Henry Spencer
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