Generalized System of Mono- and Bi-Propellant Propulsion for Microsatellite By Hironori SAHARA and Tatsuya IDE

The authors completed those propulsion system for microsatellite based on the SAFETY FIRST policy and EFFECTIVE COTS, by the beginning of 2008, which can work as both monoand bi-propellant propulsion system and attain wide-range impulse bit and total impulse by switching the monoand bi-propellant modes. We have been devoting ourselves to develop an upgraded version of the propulsion system sice 2008. We reviewed and introduced an improved catalyst and self pressurization propellant combination, and re-desinged the propulsion diagram. As the result, the propulsion system can be simpler and lighter than the previous one because the number of elements in the diagram is reducible. This will be a breakthrough for microsatellite to install a propulsion system on it.