Not exact matches
What makes Dawn's mission possible is a type of
propulsion known
as an
ion engine.
Mature electric
propulsion devices such
as ion engines, hall thrusters and magnetoplasmadynamic thrusters have electrodes exposed to the plasmas.
To stay in that exact spot, the craft will use a field emission electric
propulsion engine, which ejects
ions of liquid metal cesium to exert a miniscule thrust to counter tiny forces on the craft, such
as the sunlight itself.
Excessive power not used for
propulsion,
as well
as that recovered during braking, is stored in a 9 kWh lithium -
ion battery, which can also be charged at the outlet.
Under most conditions, the Insight operates
as a series hybrid, in which the gasoline engine, connected to the generator motor, produces electricity that is supplied to either the electric
propulsion motor and / or the 60 - cell lithium -
ion battery pack.