The Rikhter R-23 is an aircraft autocannon developed for the Soviet Air Force starting in the late 1950s. It was designed to be as short as possible to avoid problems found on high-speed …

The Vympel R-23 (NATO reporting name AA-7 Apex) is a medium-range air-to-air missile developed by Vympel in the Soviet Union for fighter aircraft. An updated version with greater …

23r flew to RNAS Howden, Yorkshire, on 15 October 1917, and then to RNAS Pulham, Norfolk, on 29 October. It flew over central London on 6 December, bringing the city to a standstill and …

The Rikhter R-23 is an aircraft autocannon developed for the Soviet Air Force starting in the late 1950s. It was designed to be as short as possible to avoid problems found on high-speed …

With the introduction of anti-aircraft missile systems in the Soviet troops fighter-bombers of NATO countries have taken action at extremely low altitudes. For the MiG-23 frontline interceptor, …

Trifluoromethane, a widely used environmental refrigerant also known as R23, has a critical pressure of 4.832 MPa, a critical temperature of 26.14 °C, and a critical density of 570 kg/m 3. …

R-23/AA-7 Apex PL missile designed for ambush targets at medium distances from the front and rear hemisphere. The first version was introduced in the USSR together with Mig-23 aircraft in …

Collaborate to develop owned, contracted, and cooperator interagency UAS aircraft, pilot specifications, and approval standards. Provide quality assurance and oversight of operational …

Schematic diagram of R23 performing work after being heated. [...] Unmanned aerial vehicles (UAVs) have demonstrated immense value in the military sector. This research proposes the …

With up to 2,600 rpm the R-23 was the fastest firing single-barrel cannon ever introduced into service. The R-23 cannon has an automatic charging mechanism that fires the cannon in case …