How To Use Unpowered In A Sentence

A glider pilot who's just won the right to work as an instructor, teaching others the beauty of unpowered flying.
So it might be worthwhile to revisit the process of re-entry and examine what happened a year ago as the unpowered, 100-ton glider returned to Earth from 200 miles up.
Umm, the X-38 was the basically unpowered (it only had enough delta-V to de-orbit, with most of the deceleration being provided by atmospheric braking, as it usual) Crew Return Vehicle - it had to be lifted to orbit by the Shuttle. Abbey Lane: They're Back - NASA Watch
First, the experimenters tested three unpowered dummy missiles with ballast to simulate the N-69.
Once airborne the rear-mounted propeller pushes the craft along and the unpowered main rotor spins to give the craft lift.

Here steamers often unloaded or exchanged cargoes and butty boats, returning to London or working alone to Birmingham where narrow locks made it easier to use a horse rather than tow the unpowered boats.
It represents the period of transition between unpowered bloomeries and blast furnaces, and will add a great deal to our knowledge of early iron working in the Lake District.
During vertical movements, animals can take advantage of gravity or positive buoyancy to permit unpowered downward or upward locomotion for a longer period.
Their advantage over the horse drawns, however, was their ability to tow several unpowered boats, known as butty boats. Express & Star
an autogiro is supported in flight by unpowered rotating wings