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 ...

While we like to think of 2002 as being part of a high-tech age, our beloved internal combustion engine hasn't really changed much in the last 50 years. We're still using pushrods and overhead valves, ...

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 ...

We're used to the unexpected from World Products--things like 454-cube small-blocks and big-blocks with cylinders large enough to warrant their own ZIP codes. But this is something altogether new and ...