Among the investors was André-Hubert Roussel, former CEO of ArianeGroup, who oversaw the development of Europe’s only ...

Most any rocket engine you’d find on a spacecraft – save for solid or hybrid rockets – use an engine system that’s fairly complex. Because of the intense heat, the fuel is circulated ...

We are fascinated by the hybrid rocket engine which [Ben Krasnow] built and tested in his shop. It is actually using a hollow cylinder of acrylic as the fuel, with gaseous oxygen as an oxidizer.

The process uses a transparent film to transfer high-viscosity ... propellant (APCP), which is a high-performance solid rocket motor, and Cyclonite (Cyclotrumetrylene trunitramine) or RDX, which ...

More recently, the company started developing two other products in parallel: a Hall-effect electric thruster for spacecraft and a second-stage hybrid rocket engine. “Pulsar has built a ...