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New hybrid energy method could fuel the future of rockets, spacecraft for exploration - Purdue University News
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Norway aerospace company plans test flight of hybrid rocket propulsion system – an annotated infographic – Engineering & Technology magazine
![Andrew Parsonson on X: "That's amazing. Possibly one of the most unusual propulsion systems being developed in Europe right now. It's a hybrid aerospike engine. And here's a bit of info about Andrew Parsonson on X: "That's amazing. Possibly one of the most unusual propulsion systems being developed in Europe right now. It's a hybrid aerospike engine. And here's a bit of info about](https://pbs.twimg.com/media/FcsZw9QXgAMYlco.jpg:large)