subsonic
41SCUD — Subsonic Cruise Unarmed Decoy …
42SONEX — Subsonic assessment (SASS) Ozone and Nitrogen oxide EXperiment Contributor: CASI …
43Supersonic transport — The Concorde supersonic transport had an ogival delta wing, a slender fuselage and four underslung Rolls Royce/Snecma Olympus 593 engines. A supersonic transport (SST) is a civilian supersonic aircraft designed to transport passengers at speeds… …
44.22 Long Rifle — 22 redirects here. For other uses, see .22 (disambiguation). .22 Long rifle .22 Long Rifle – Subsonic Hollow point (left). Standard Velocity (center), Hyper Velocity Stinger Hollow point (right). T …
45Suppressor — Several firearms with detachable suppressors, from top to bottom: An Uzi, An AR 15 variant, A Heckler Koch USP Tactical, A Beretta 92FS, and a SIG Mosquito …
46Components of jet engines — Diagram of a typical gas turbine jet engine. Air is compressed by the fan blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which… …
47Compressible flow — is the area of fluid mechanics that deals with fluids in which the fluid density varies significantly in response to a change in pressure. Compressibility effects are typically considered significant if the Mach number (the ratio of the flow… …
48Cruise missile — United States Tomahawk cruise missile A modern Tau …
49Inlet cone — Infobox Aviation name=Inlet cone caption=Inlet cone of a MiG 21MFInlet cones (sometimes called shock cones) are a component of some supersonic aircraft. They are primarily used on ramjets, such as the turboramjets of the SR 71 or the pure ramjets …
50jet engine — an engine, as an aircraft engine, that produces forward motion by the rearward exhaust of a jet of fluid or heated air and gases. Also called jet, jet motor. [1940 45] * * * Any of a class of internal combustion engines that propel aircraft by… …
