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General-Dynamics A-12 Avenger II Naval stealth attacker project. In mid-1980's, U.S. Navy awarded the ATA (Advanced Tactical Aircraft) program as a replacement for the Grumman A-6 Intruder. The key improvement over the existing aircraft was stealth ability. In 1988, General-Dynamics / McDonnell-Douglas were selected to develop a subsonic twin jet carrier- based ATA for attack at night or in bad weather, the A-12 Avenger II. Th...
Doak VZ-4DA Archaeopteryx of tilt-ducts VTOL. The Doak Model 16 was the first aircraft to demonstrate the tilt duct concept. In 1956, U.S. Army ordered a prototype, indicated VZ-4DA. The configuration was the tilting duct blower where located at each wing tip, pointing vertical for take off and landing, and rotated to the horizontal for forward flight. Engine exhaust was deflected at the fuselage rear for pitch control. To lim...
Curtiss-Wright X-19 Tilt-propellers VTOL experiment. In 1958, Curtiss-Wright started the four passengers VTOL commercial aircraft program without any government support. It was designed with a tilting propeller at each wing tip that a nacelle could rotate in pointing vertical for take off and landing and pointing horizontal for cruise. When the two prototypes were almost completed, Curtiss-Wright decided to offer these two air...
Mikoyan MiG-105-11 EPOS Soviet Space-plane / Lifting body project. In 1964, ex-USSR defense unit issued a 5-years military space plan, that included the 'Spiral' space-plane project. The MiG 105-11 EPOS was planned as an experimental manned spacecraft, that was under development in Mikoyan bureau as a part of the Spiral program. The Spiral space system consisted of an orbital spacecraft (MiG 105) with a rocket booster and supe...
Bell X-22 Tilting ducts VTOL experiment. During early 1950s, Bell Aircraft began studying conventional propeller and jet design. In 1957, Bell signed contract from Navy for design of ducted propeller assault transport with VTOL capability. This study also caught attention of the Air Force, Marine Corp and Army, and joined for study during 1959. In 1962, Bell and Navy signed contract for the new test-bed, designated X-22. Its d...
Lippisch Li.P.13B Luft '46 Ramjet concept. In 1944, Germany started to face the fuel shortage problem. Dr. Alexander Lippisch and his design team had proceeding with the P.13a design in Austria and he though to try 'coal' to be a new kind of fuel for his ramjet fighter concepts. A hexagonal shape combustion chamber was selected for coal filling from a center top but it was no way to fit into the P.13a fuselage. So the differen...
Float & trolley for Focke-Wulf Fw-190W-2 fighter. Trolley is also suitable for the Arado Ar-196B, Messerschmitt Bf-109W-2, Mitsubishi A6M2-N and E8N2 aircraft.