The XV-2, also known by the model number S-57, was a planned experimental stoppable rotor aircraft, designated as a convertiplane, developed for a joint research program between the United States Air Force and the United States Army. The program was canceled before construction of the prototype began.
OBJ (OBJ, filesize: 3.37 MB), GLTF (glTF, filesize: 76.9 MB), FBX (Autodesk FBX, filesize: 6.15 MB), BLEND (Blender, filesize: 23.1 MB), MAX (Autodesk 3ds Max, filesize: 5.88 MB)