From: "Geo" 

"Monte Davis"  wrote in message
news:3bek121msoqup8apnhp8m9ue3n14faae6b{at}4ax.com...

> Well, the inner belt kicks in at 500-700 miles, where you're still
> ~90% of ground weight.

Seriously? Even without the air it would require that big a rocket? I had
no idea the gravity well was that deep. I thought you could go into orbit
at 150 miles?

Geo.

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