On Mon, 09 May 2005 14:49:40 -0500, in a place far, far away, Pat
Flannery made the phosphor on my monitor glow in
such a way as to indicate that:

Or subcool the propellants and insulate the tanks properly...


Still, how long would one have to get it all stuck together? Days or weeks?

Months, by some analyses.

The Soviet's did a stage (Block D) that used an insulation sunshade for
it LOX/Kerosene propellant on Proton-Zond and N-1:
http://www.myspacemuseum.com/l1s_2.jpg
But do we have any experience with this sort of thing?

Not that I'm aware of, at least operationally, but there's been a lot
of technology development in this area.

The closest we
came was the canceled Shuttle boosted Centaur stage.

Which wasn't designed for long-duration storage.