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... gine when it takes off, and it can be used for recoil when it lands. Although these engines are not large in size, their thrust is not small , They use dinitrogen tetroxide and hydrazine as fuel, extrusion cycle, thrust about 7 tons, reusable.
In fact, as long as there are four, it is enough to push the spacecraft forward or land, but for the sake of safety, install eight, so that there is one more set of backups. This design has been realized on the rocket. When launching, one or two It ...
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