The Avery Sunburst (Avery High-Thrust) was a high-Output hydrogen engine developed by Avery Astronautics some point prior to 2052 (Battle For Mars) and equipped on the SSF 21D Cutlass Mk. II.


A Single Sunburst delivered 750,000 pounds of thrust. The Drive Units Also had a Rare Feature, a Variable Choke Venturi tube Set which gave them the ability to increase their Thrust output by Expanding and Contracting to Make a Pulse Jet at a Very High Velocity, Making a Intermittent Back Pressure. This although being used with Great Effect, Burnt out the Venturi Tubes and Would Require Replacements


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