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Re: AO-40: 400N burn before arcjet?





I believe the arc jet is being used first because it is more efficient
although it takes longer. Fuel is a finite resource on a spacecraft and
once it is gone (until space refueling becomes more common place). You have
a tradeoff of waiting 9 months to get into a good orbit or using it sooner
in a not as good orbit.

Bill Bard
wtba@eci.esys.com


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