Velontra recently tested its hypersonic turbo-ramjet engine for the first time in Purdue University's Zucrow Laboratories in a High Pressure Combustion Lab. Air-breathing hypersonic powerplants are ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

Producers of military jet engines are rolling out new lines of small turbofans, eyeing an expected boom in demand for uncrewed fighter aircraft. US propulsion suppliers Pratt & Whitney (P&W), GE ...