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A Lockheed X-7 on public display in New Mexico. The Lockheed X-7 (dubbed the "Flying Stove Pipe") is an American unmanned test bed of the 1950s for ramjet engines and missile guidance technology. It was the basis for the later Lockheed AQM-60 Kingfisher, a system used to test American air defenses against nuclear missile attack.
The 12.7 × 108 mm has 22.72 ml (350 grains) H 2 O cartridge case capacity. 12.7 × 108 mm maximum cartridge dimensions.[citation needed] All sizes in millimeters (mm). Americans define the shoulder angle at alpha/2 ≈ 18.16 degrees. According to guidelines the 12.7 × 108 mm case can handle up to 360 MPa (52,213 psi) piezo pressure.
Bioconcentration. In aquatic toxicology, bioconcentration is the accumulation of a water-borne chemical substance in an organism exposed to the water. [1][2] There are several ways in which to measure and assess bioaccumulation and bioconcentration. These include: octanol-water partition coefficients (K OW), bioconcentration factors (BCF ...
Maximum firing range. 18,400 metres (20,100 yd) The 12.7 cm/50 Type 3 naval gun was a medium- caliber naval gun of the Imperial Japanese Navy used during World War II. It was the standard weapon for Japanese destroyers between 1928 and 1944 (except the Akizuki and Matsu classes). It has been credited as a true dual-purpose gun, but this was ...
The Chengdu J-7 (Chinese: 歼-7; third generation export version F-7; NATO reporting name: Fishcan[1]) is a People's Republic of China fighter aircraft. It is a license-built version of the Soviet Mikoyan-Gurevich MiG-21, and thus shares many similarities with that aircraft. [2] The aircraft is armed with short-range, infrared homing air-to-air ...
Zivko Edge 540. The Zivko Edge 540 manufactured by Zivko Aeronautics is a highly aerobatic aircraft. Capable of a 420 degree per second roll rate and a 3,700 foot per minute climb rate, it has been flown to victory on the international Unlimited aerobatics circuit several times since the mid-1990s. A tandem-seat version is sold as the Edge 540T.
1 × Limbo ASW mortar. 2 × triple 12.75 in (324 mm) torpedo tubes. The Alvand class (Persian: کلاس الوند) or Saam class (Persian: کلاس سام) was originally a class of four frigates built for the Imperial Iranian Navy. They were renamed after the Iranian Revolution, and served in the Islamic Republic of Iran Navy during Iran-Iraq ...
In 1979 its somewhat upgraded successor – the Yaesu FT-7B – was released and as of 1980 this rig was also sold on the European market. FT-7B has fully extended 10 m band coverage in four 500 kHz segments (this was limited to a single 500 kHz segment in the original FT-7 version). [1] [2] The FT-7B also offers Amplitude Modulation (AM) mode ...