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Utah State University

Kurt B Olsen

Tyson Smith

Stephen Whitmore

Zachary Lewis

Marc Anthony Bulcher

Stuart H Kupinsky

Charles F Olsen

A hybrid propulsion system includes a housing, at least two electrodes, a solid-grain fuel material, a combustion chamber, an oxidizer port, and a nozzle. The housing has a first end and a second end and defines a cavity. The electrodes extend into the cavity. The fuel material is free of an oxidizer and is positioned in the cavity. The fuel material has a combustion surface and is exposed to the electrodes. The combustion chamber is defined between the combustion surface and the second end. The oxidizer port provides a flow of oxidizer to the combustion chamber. The nozzle is positioned at the second end. Combustion of the fuel material in the combustion chamber may be dominated by radiative heat transfer. Combustion of the fuel material in the combustion chamber may generate thrust of no more than 5 N at an oxidizer flow rate of no more than 5 g/s.

Miniaturized green end-burning hybrid propulsion system for cubesats

Miniaturized green end-burning hybrid propulsion system for CubeSats

A method of data transmission over existing telephone lines and later verification of that transmission includes electronic payment verification using telephone transmission of payment information and return transmission of a unique card account number, storage of the information and account number on a database and a data card through a data storage device, and verification of the infomation and account number at a later time by a separate data storage device and the same database.

Automated data card payment verification method

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Arlington, VA, United States of America

Kurt B Olsen