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P.W.S.5
The PWS-5 or PWS-5t2, was a multi-seated Poland, Polish liaison aircraft, developed in 1928 by PWS (aircraft manufacturer), PWS (''Podlaska Wytwórnia Samolotów'' - "Podlasie Aircraft Factory"). Design and development In 1927 in aviation, 1927, the Aviation Department of the Polish War Ministry opened a contest for a liaison and observation plane capable of operating from unprepared airfields, in cooperation with land Army units. In the PWS factory, Aleksander Grzędzielewski and Augustyn Bobek-Zdaniewski proposed a plane, designated initially PWS-7, the first prototype of which was flown on 28 December 1928 in aviation, 1928 at Biała Podlaska by Franciszek Rutkowski, with the designation changing to PWS-5 in 1929.Glass, A. (1977) An interesting feature was the interchangeable upper and mainplanes which resulted in the upper wings being shorter than the lower, due to the lack of a centre-section between the upper planes. In February 1929 a second improved prototype, with a sh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liaison Aircraft
A liaison aircraft (also called an army cooperation aircraft) is a small, usually unarmed aircraft primarily used by military forces for artillery observation or transporting commanders and messages. The concept developed before World War II and included also battlefield reconnaissance, air ambulance, column control, light cargo delivery and similar duties. Able to operate from small, unimproved fields under primitive conditions, with STOL capabilities, most liaison aircraft were developed from, or were later used as general aviation aircraft. Both fixed-wing aircraft and helicopters can perform liaison duties. Use by country Bulgaria * Kaproni Bulgarski KB-11 Fazan Germany Nazi period: * Fieseler Fi 156 ''Storch'' * Messerschmitt Bf 108 ''Taifun'' * Focke-Wulf Fw 189 Uhu Japan Imperial period: * Kokusai Ki-76 (Imperial Japanese Army Air Force, 1942–1945) * Tachikawa Ki-36 (Imperial Japanese Army Air Force, 1938–1945) Postwar period: * LR-1 (Japan Ground Self-Defense F ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lublin R-X
The Lublin R-X was a Polish single-engined, two seat liaison aircraft, built in 1929 in aviation, 1929 in the Plage i Laśkiewicz factory in Lublin. Seven were completed, two of them prototypes. Four served with Polish air regiments and another made several notable long flights and tours. Development In 1927 in aviation, 1927, the Polish War Ministry opened a contest for a military liaison and observation plane for use by Army land units operating from casual airfields. The private factory Plage i Laśkiewicz in Lublin proposed the Lublin R-X, designed in 1928 by Jerzy Rudlicki. Fitted with skis, the prototype was first flown, off snow, on 8 February 1929, followed by a second prototype in the spring. They were extensively tested and handled very well. During these tests, both prototypes became the first Polish aircraft to be fitted with Townend rings around their normally aircraft fairing, uncowled radial engines. Five pre-series aircraft followed 1929, the first four differing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pińsk
Pinsk ( be, Пі́нск; russian: Пи́нск ; Polish: Pińsk; ) is a city located in the Brest Region of Belarus, in the Polesia region, at the confluence of the Pina River and the Pripyat River. The region was known as the Marsh of Pinsk and is southwest of Minsk. The population is 138,415. The historic city has a restored city centre, with two-storey buildings from the 19th and early 20th centuries. The centre has become an active place for youths of all ages with summer theme parks and a new association football stadium, which houses the city's football club, FC Volna Pinsk. History Timeline up to WWI *In the 9th and 10th centuries, the town of Pinsk was majority Lithuanian *1097 – the first mention of Pinsk * 1241 – transfer of the Orthodox diocese from Turov * 1316 – after this date, Pinsk was incorporated into the Grand Duchy of Lithuania * 1396 – a Catholic church and a Franciscan monastery were erected * 1523 – Pinsk becomes a royal city, first owned by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Riverine Air Escadrille
Riverine Air Escadrille (In Polish ''Rzeczna Eskadra Lotnicza'') was a unit of the Polish Air Force between the wars. The unit was formed in 1920 as the Riverine Air Platoon (''Rzeczny Pluton Lotniczy'') and was based at Pińsk Pinsk ( be, Пі́нск; russian: Пи́нск ; Polish: Pińsk; ) is a city located in the Brest Region of Belarus, in the Polesia region, at the confluence of the Pina River and the Pripyat River. The region was known as the Marsh of Pinsk a .... The main aircraft operated were 3 Schreck FBA-17HMT2 amphibians. In 1934 the unit was renamed to ''Riverine Air Escadrille'' and attempts were made to expand it. The unit was disbanded at the end of 1937 due to lack of funds. {{Poland-mil-stub Military units and formations of the Polish Air Force ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dęblin
Dęblin is a town at the confluence of Vistula and Wieprz rivers, in Lublin Voivodeship, Poland. Dęblin is the part of the agglomeration with adjacent towns of Ryki and Puławy, which altogether has over 100 000 inhabitants. The population of the town itself is 15,505 (December 2021). Dęblin is part of the historic region of Lesser Poland. Since 1927 it has been the home of the chief Polish Air Force Academy ( pl, Lotnicza Akademia Wojskowa), and as such Dęblin is one of the most important places associated with aviation in Poland. The town is also a key railroad junction, located along the major Berlin – Warsaw line, with two additional connections stemming from Dęblin – one westwards to Radom, and another one northeast to Łuków. History Dęblin was first mentioned as a village in historical documents dating from 1397. At that time, it was ruled by Castellans from Sieciechów. It was a private village of Polish nobility, including the Mniszech family, administrati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Škoda Works
The Škoda Works ( cs, Škodovy závody, ) was one of the largest European industrial conglomerates of the 20th century, founded by Czech engineer Emil Škoda in 1859 in Plzeň, then in the Kingdom of Bohemia, Austrian Empire. It is the predecessor of today's Škoda Auto, Doosan Škoda Power and Škoda Transportation companies. History 1859–1899: establishment of Škoda The noble Waldstein family founded the company in 1859 in Plzeň, and Emil Škoda bought it in 1869. It soon established itself as Austria-Hungary's leading arms manufacturer producing heavy guns for the navy, mountain guns or mortars along with the Škoda M1909 machine gun as one of its noted products. Besides producing arms for the Austro-Hungarian Army, Škoda has ever since also manufactured locomotives, aircraft, ships, machine tools, steam turbines and equipment for power utilities. In 1859, Count Wallenstein-Vartenberk set up a branch of his foundry and engineering works in Plzeň. The output of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radial Engine
The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel. It resembles a stylized star when viewed from the front, and is called a "star engine" in some other languages. The radial configuration was commonly used for aircraft engines before gas turbine engines became predominant. Engine operation Since the axes of the cylinders are coplanar, the connecting rods cannot all be directly attached to the crankshaft unless mechanically complex forked connecting rods are used, none of which have been successful. Instead, the pistons are connected to the crankshaft with a master-and-articulating-rod assembly. One piston, the uppermost one in the animation, has a master rod with a direct attachment to the crankshaft. The remaining pistons pin their connecting rods' attachments to rings around the edge of the master rod. Extra "rows" of radial cylinders can be added i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Skoda-Wright Whirlwind J-5
The Wright R-790 Whirlwind was a series of nine-cylinder air-cooled radial aircraft engines built by Wright Aeronautical Corporation, with a total displacement of about and around . These engines were the earliest members of the Wright Whirlwind engine family. Design and development The R-790 Whirlwind began as the Lawrance J-1, a nine-cylinder air-cooled radial developed in 1921 by the Lawrance Aero Engine Company for the U.S. Navy. The Navy was very enthusiastic about air-cooled engines, which it considered better suited for naval use than liquid-cooled ones.Wright J-5 "Whirlwind" (PDF), by Kimble D. McCutcheon, from the Aircraft Engine Historical Society Lawrance was a small company, though, and the Navy doubted it could produce enough engines for its needs. Despite urgings from the N ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Conventional Landing Gear
Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail.Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 133. Aviation Supplies & Academics, 1997. From the Ground Up, 27th edition, page 11 The term taildragger is also used, although some argue it should apply only to those aircraft with a tailskid rather than a wheel. The term "conventional" persists for historical reasons, but all modern jet aircraft and most modern propeller aircraft use tricycle gear. History In early aircraft, a tailskid made of metal or wood was used to support the tail on the ground. In most modern aircraft with conventional landing gear, a small articulated wheel assembly is attached to the rearmost part of the airframe in place of the skid. This wheel may be steered by the pilot through a connection to the rudder pedals, allowing the rudd ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scarff Mounting
The Scarff ring was a type of machine gun mounting developed during the First World War by Warrant Officer (Gunner) F. W. Scarff of the Admiralty Air Department for use on two-seater aircraft. The mount incorporated bungee cord suspension in elevation to compensate for the weight of the gun, and allowed an airgunner in an open cockpit to swivel and elevate his weapon (a Lewis machine gun) quickly, and easily fire in any direction. Later models permitted the fitting of two Lewis guns; while this doubled the firepower available, operation of the paired guns was more cumbersome, and required considerable strength from the gunner, especially at altitude, so that many gunners preferred the original single gun - and this became the postwar standard. In either case, the mounting was simple and rugged, and gave its operator an excellent field of fire. It was widely adapted and copied for other airforces. As well as becoming a standard fitting in the British forces during the First World ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
