Andrew, things leaving a long, gently-sloping evacuated tube at orbital 
velocity will  interact with the stratosphere in much the same way as the 
object that entered it over Chelyabinsk last week.

On Tuesday, February 19, 2013 10:13:10 AM UTC-5, andrewjlockley wrote:
>
> Hi 
>
> I came across the 'Star Tram' concept some time ago 
> http://en.wikipedia.org/wiki/StarTram 
>
> The proposal is for a long, gently-sloping evacuated tube.  This is 
> magnetically-levitated at one end, and anchored at the other.  It's 
> for launching payloads to space. If it is indeed possible to use 
> magnetic levitation to lift something so massive, then surely creating 
> some kind of magnetic elevator to carry sulphur to the stratosphere 
> wouldn't be too tricky? 
>
> I am unable to assess the credibility of the startram idea, or 
> understand its purported working principles.  Can anyone shed light on 
> this? 
>
> A 
>

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