We are fascinated by the hybrid rocket engine which [Ben Krasnow] built and ... That is not the case with this design. The acrylic is actually burning, but if the flow of oxygen is cut off it ...

The neat thing is he utilizes the temperature change of the liquid oxygen expanding to cool the chamber and nozzle ... How to Design, Build and Test Small Liquid-Fuel Rocket Engines.

This makes vacuum nozzles for upper stages of space flight ... to fabricate using traditional methods. In the ’60s, rocket engine design and manufacturing company Rocketdyne had tried to make ...