Motorcycle engines live and die by how well they shed heat, and the choice between liquid and air cooling shapes everything from performance to maintenance. Riders weighing a new purchase or planning ...

Fire, smoke, and the roar of a rocket engine blasted the Colorado prairie – the Ablative Mark 1 test was an exciting victory. A student club project at the University of Colorado Boulder, the static ...

Framegrab from a video of a long-duration hot fire of the Chi engine. Credit: Mega Engine HELSINKI — A new Chinese commercial rocket engine startup has conducted a successful long-duration hot fire ...

Description: Project BLERP aims to design and construct a reusable liquid rocket engine and launch stand that can be re-used and studied by future students at University of Colorado Boulder. The goal ...

When one thinks of air-cooled motorcycles, vintage cruisers such as Harley-Davidson come to mind. However, Honda's wildly successful CB750 was also air-cooled. By comparison, liquid-cooled bikes came ...

Cooling fins are an iconic feature of motorcycle design. These blades made their mark early, with their parallel lines encircling the cylinders of classic bikes from day one. Whether on the striking V ...