The sound of the jet motors changed subtly.

He began experiments on a jet motor for the German Government in 1930 and developed a model later that year.

The jet motors came to life and the Sky Queen rose above the thundering wave of debris.

He shot acceleration into his jet motors for a dive.

Eventually she was at a level where the jet motors on the wings had a sufficient intake.

In truth, the jet motors of the copter were anything but weak.

It was like it had a jet motor in it.

The noise of the jet motors outside rose to a thunderous volume which came even through the little ship's insulated hull.

The whine of the jet motors directly overhead was hideously loud, disorienting.

He can unfold parts of his sides into short wings, each with a jet motor under it, and fly.