(urth) The Apu-Punchau Eclipse

[oblate777 at speakeasy.net]

On Wed Jun 11 14:29 , Jeff Wilson <jwilson at io.com> sent:


>
>I don't think we can square that figure with Sev's account of the masts 
>and sails early in URTH. Also, regular solar sails of even that scale 
>aren't adequate to propel the Ship out of the solar system in the time 
>frame given. Ounces of thrust per acre of sail vs a mass large enough to 
>have signifigant surface gravity yields excruciatingly tiny acceleration.
>

Perhaps the sail technology used on the Ship is more exotic than a simple solar
sail. For example, I point to the "mirrors" used by Father Inire.

rob t.