Rogozarski SIM-XI
Encyclopedia
The Rogozarski SIM-XI was a 1938s Yugoslav
Yugoslavia
Yugoslavia refers to three political entities that existed successively on the western part of the Balkans during most of the 20th century....
Aircraft for training pilots in aerobatics, one-engined, with one crew members. It was designed and built at the Rogožarski factory in Belgrade
Belgrade
Belgrade is the capital and largest city of Serbia. It is located at the confluence of the Sava and Danube rivers, where the Pannonian Plain meets the Balkans. According to official results of Census 2011, the city has a population of 1,639,121. It is one of the 15 largest cities in Europe...
.
Design and development
When examining the aircraft observed SIM-XRogozarski SIM-Х
The Rogozarski SIM-X was a 1936s Yugoslav Sports and tourist plane and the plane for the basic training of military pilots, one-engined, with two crew members. It was designed and built at the Rogožarski factory in Belgrade.-Design and development:...
is that it has characteristics very close acrobatic plane, so the factory management decided to make Rogožarski some modifications (installation of more powerful engines with a carburetor for a special flight back, the lower reinforcement knstrukcije, reducing the wing surface and compensator wings) and make acrobatic plane. Ing. Sima Milutinovic was conducted during 1937. The necessary changes and at the end of the prototype was ready for testing. The test flight was conducted by factory test pilot Captain Milan Bjelanovic. By the end of January 1938. The tests were carried out and the factory to 12. March and tests in a Experiment group of Commands YAF-Yugoslav Royal Air Force
Yugoslav Royal Air Force
The Yugoslav Royal Air Force was formed in 1918 in the Kingdom of Serbs, Croats and Slovenes and existed until Yugoslavia's surrender to the Axis powers in 1941 following the Invasion of Yugoslavia during World War II....
. The plane got excellent grades and Command YAF
Yugoslav Royal Air Force
The Yugoslav Royal Air Force was formed in 1918 in the Kingdom of Serbs, Croats and Slovenes and existed until Yugoslavia's surrender to the Axis powers in 1941 following the Invasion of Yugoslavia during World War II....
prototype bought SIM-XI, who remained within the Experiment group. Thus was created the first Yugoslav aerobatic aircraft that was named Rogožarski SIM-XI.
Aircraft SIM-XI, was high monoplane (parasol), with the single-engine Siemens (Bram) Sh14a 150 hp, which had a special carburetor for the long flight back, the mostly wooden structure, body elliptical cross-section is entirely made of wood covered with plywood, and the wings are supporting structure of wood covered with cloth, with rounded ends. On each side, the wings are supported by a pair of inclined struts which relied on the fuselage. It had two fuel tanks one was located in the central part between the wings that is, at their junction, and the other in the body of the aircraft. The tank in the trunk filled with aerobatics and for flying normally only filled the tank in her lap. Both tanks were filled with flights when it was needed to achieve longer range. Landing gear was fixed, completely made of steel tubes and characterized by great strength which enabled a plane landing at the very rugged terrain.
Operational history
Factory Rogožarski made this plane in order to preserve resources in a standard aircraft weapons and YAFYugoslav Royal Air Force
The Yugoslav Royal Air Force was formed in 1918 in the Kingdom of Serbs, Croats and Slovenes and existed until Yugoslavia's surrender to the Axis powers in 1941 following the Invasion of Yugoslavia during World War II....
to keep pilots in aerobatics training on cheap planes without affecting the quality and trenaže. Command of YAF
Yugoslav Royal Air Force
The Yugoslav Royal Air Force was formed in 1918 in the Kingdom of Serbs, Croats and Slovenes and existed until Yugoslavia's surrender to the Axis powers in 1941 following the Invasion of Yugoslavia during World War II....
had access to otherwise advocating the view that for this purpose very well may serve standard auto and aircraft to train fighter pilots training PVT
PVT
PVT may refer to:*PVT , pressure, volume and temperature in an equation of state*PVT * Ltd, stands for a private limited Company in the Britain and the Commonwealth*PV/T or PV-T : Photovoltaic thermal hybrid solar collector...
and R-100, of which some carbs to get the flight back. It is therefore not achieved mass production of aircraft SIM-XI. During the first international aviation exhibition in Belgrade, the SIM-XI performed a series of highly acclaimed akrobaskih flights, confirming the fact that it belonged to a group of the best aerobatic aircraft of his time, which was used primarily to honor its constructor Ing. S. Milutinovic, Factory Rogožđarski and Yugoslav aviation.
During the April war only SIM-XI plane fell into the hands of the German
Germans
The Germans are a Germanic ethnic group native to Central Europe. The English term Germans has referred to the German-speaking population of the Holy Roman Empire since the Late Middle Ages....
s and they handed him over to his allies the Croats (ISC
ISC
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) where he carried the number 7351. They used it to 19 December 1943rd , the towing boat, until they destroyed the partisans between villages Progar and Boljevci when Croatian pilot landed the hook and wacky boat lift.
Operators
Kingdom of Yugoslavia
- Royal Yugoslav Air Force 1 aircrafts
Independent State of Croatia (ISC)
- Air Force of the Independent State of CroatiaAir Force of the Independent State of CroatiaThe Air Force of the Independent State of Croatia, the Zrakoplovstvo Nezavisne Države Hrvatske was the national air force of the Independent State of Croatia during World War II, founded under German authority in April 1941...
1 ex-Royal Yugoslav Air Force