ramjet
ramjet engine
atherodyde
athodyd
flying drainpipe

After it was withdrawn from service, several were used for various test programs, including one evaluating ramjet engines.

An electric field can electrostatically attract the positive ions, and thus draw them inside a ramjet engine.

This variant has been test-fired and uses a solid-fuel ramjet engine.

These missiles travel faster than the speed of sound, usually using ramjet engines.

There are numerous problems with the ramjet engine, however.

His wings were swept back, and four ramjet engines depended from them.

He also pioneered research on large-scale ramjet engines.

With its four ramjet engines, it has a range of 130 km and a speed greater than Mach 2.5.

II with a longer range (around 75 miles) achieved with improved ramjet engine and larger boosters.

Turbulators can also be put to use in certain internal combustion engines - particularly, a ramjet engine.