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Abstract

The only practical way to accelerate something in free space is by reaction. The idea is the same as in air breathing propulsion (to push something backwards) but in rockets the “something ” must be inside and is lost. Here is a revealing derivation of the thrust equation for vacuum:

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oai:CiteSeerX.psu:10.1.1.208.5990Last time updated on 10/22/2014

This paper was published in CiteSeerX.

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