The cool thing about valveless pulsejets is just how dead simple they are—basically just a shaped metal tube with no moving parts at all. That’s really it. Just like a hollow jar. But even though the ...

Nitro RC car engines have heat sinks with fins around them for cooling, but the Cison V8 has a separate radiator tank for ...

This paper presents a rectangle direct-acting solenoid valve. The rectangle direct-acting solenoid valve have advantages of compact size, light weight, high reliability, fast response and high motion ...