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Re: AO40: status

----- Original Message -----
From: "Phil Karn" <karn@ka9q.net>

> So if AO-40's spinup was caused by the simple movement of propellant
> mass, it must have moved from the fuel tanks closer to the Z axis.
> For it to have caused a spinup while moving away from the Z axis, it
> must have been ejected from the spacecraft with additional energy from
> another source. Possible energy sources include helium pressure, or
> the energy released by the reaction of MMH and N2O4.

An external force (or projectile) of small size can not be dismissed,
however small the probability
[ the Shuttle alone in its 10 to 14 day excursions into low earth orbit ...
has had its share ]


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