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The PT-91 Twardy ( Polish pronunciation: [ˈtfar.dɨ], English: Hard) is a Polish main battle tank. A development of the T-72M1, it entered service in 1995. The PT-91 was designed at the OBRUM ( Ośrodek Badawczo-Rozwojowy Urządzeń Mechanicznych, or Research and Development Centre for Mechanical Appliances) and is produced by the Bumar ...
PT-71 (Not to be confused with the Soviet PT-71) – Is a PT-76 upgrade built by Nimda Group Ltd., which includes a 90 mm Cockerill tank gun, a new machine gun, a new fire control system, a laser range finder, night vision devices and a 300 hp (224 kW) Detroit Diesel 6V71T diesel engine. The only known customers were the Israeli and Indonesian ...
The engine was an upgraded version of the slightly smaller HL210 engine which was used to equip the first 250 Tiger I tanks built, and which had an aluminium crankcase and block. The earlier HL210 engine had a displacement of 21.353 L (1,303.0 cu in) or 1,779 cm³ per cylinder; bore 125 mm (4.9 in), stroke 145 mm (5.7 in).
70 km/h (governed), 78 km/h (tested road speed) [ 6] Kaplan MT or Harimau is a light tank jointly developed by Turkish manufacturer FNSS and Indonesian manufacturer Pindad. The development program name for the tank is Modern Medium Weight Tank ( MMWT ). The tank itself is called Kaplan MT by Turkey and Harimau by Indonesia, both meaning "tiger".
The T-90 has its origins in a Soviet -era program aimed at developing a replacement for the T-64, T-72 and T-80 series of main battle tanks (MBT). The T-72 platform was selected as the basis for the new generation of tank owing to its cost-effectiveness, simplicity and automotive qualities. The Kartsev-Venediktov Design Bureau from Nizhny Tagil ...
The Kharkiv model V-2 ( Russian: В-2) was a Soviet diesel tank V-12 engine, the V angle at 60°, with dual overhead camshafts per bank, four valves per cylinder opened by bucket-style followers and direct fuel injection, features found on modern high-performance diesel engines. Designed at the Kharkiv Locomotive Factory by Konstantin Chelpan ...
PT-105, an 80' Elco boat, under way. A PT boat (short for patrol torpedo boat) was a motor torpedo boat used by the United States Navy in World War II.It was small, fast, and inexpensive to build, valued for its maneuverability and speed but hampered at the beginning of the war by ineffective torpedoes, limited armament, and comparatively fragile construction that limited some of the variants ...
The Stearman (Boeing) Model 75 is an American biplane formerly used as a military trainer aircraft, of which at least 10,626 were built in the United States during the 1930s and 1940s. [ 2] Stearman Aircraft became a subsidiary of Boeing in 1934. Widely known as the Stearman, Boeing Stearman, or Kaydet, it served as a primary trainer for the ...