Has anyone explored the possibilitys of a graduated spiral rail,( to extend
the total length ) ?
Why is tunelling easier than modular underwater construction? Tunnelings a
and you've got to seal the tunnel with construction anyways thats going to
exposed to water. Modular tubes you can manufacture elsewhere with
inside needed under optimal assembly line efficiency, transport to the site,
drop into place, connect, then break the seal into each new module as you go
along. Tunneling is an excuse to stretch the project out for ten years more.
Spike Jones wrote:
> GBurch1@aol.com wrote:
> > ...construction effort, but you'll also have to deal with the pressure
> > differential (one atmosphere for every three meters of depth)...
> One atmosphere is about 10 meters, but I grok your message anyway
> and agree. The expense for an underwater tunnel is too great. I expect
> start under *ground* however, perhaps a couple km down.
> Ill be out for a few days, pick up then. spike
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