delta glider

English

Etymology

From the shape of the Greek letter delta (Δ); see delta wing.

Noun

delta glider (plural delta gliders)

1. a gliding aircraft with a delta wing
   • 1953, J. H. Stevens, The Shape of the Aeroplane:

     After extensive wind-tunnel work he evolved a series of designs, starting with a very advanced delta glider and culminating in a supersonic aeroplane with a revolutionary coal-burning ram-jet.

   • 1987, Clarence J. Geiger, Strangled Infant: The Boeing X-20A Dyna-Soar:

     In response, NACA Director Hugh L. Dryden formed a "Round Three" […] steering committee which evaluated the various projects and then recommended to the Air Force, in September 1957, that the service sponsor development of a flat-bottom hypersonic delta glider.