Italian Rotors Industries
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Italian Rotors Industries Srl (IRI) was an Italian
aircraft manufacturer An aerospace manufacturer is a company or individual involved in the various aspects of designing, building, testing, selling, and maintaining aircraft, aircraft parts, missiles, rockets, or spacecraft. Aerospace is a high technology indust ...
based in
Aprilia, Lazio Aprilia is a city and ''comune'' (municipality) in the province of Latina, now incorporated in the conurbation of Rome, in the Lazio region of central Italy. It is the fifth most populous town in the region and the tenth largest by area. Terri ...
. The company specialized in the design and manufacture of
helicopter A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes ...
s in the form ready-to-fly aircraft.Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 208-209. Flying Pages Europe SARL, 2015. The firm was a società a responsabilità limitata, an Italian
limited liability company A limited liability company (LLC for short) is the US-specific form of a private limited company. It is a business structure that can combine the pass-through taxation of a partnership or sole proprietorship with the limited liability of ...
. The company seems to have been founded about 2013 and went out of business in June 2016. The organization produced three helicopter models, all based upon the same general design. The IRI T22B is powered by an American-made four-cylinder, air-cooled,
four stroke A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directi ...
Lycoming O-320-B2C aircraft engine. The IRI T23B employs the Lycoming O-360-A2J powerplant. The IRI T250A is powered by a PBS TS 100
turboshaft engine A turboshaft engine is a form of gas turbine that is optimized to produce shaftpower rather than jet thrust. In concept, turboshaft engines are very similar to turbojets, with additional turbine expansion to extract heat energy from the exhaust ...
made by PBS Velká Bíteš of the
Czech Republic The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...
. Reviewer Werner Pfaendler, described the company's helicopter designs as "elegant".


Aircraft

Summary of aircraft built by IRI: * IRI T22B * IRI T23B * IRI T250A


References


External links

{{Commons category
Company website archives
on
Archive.org The Internet Archive is an American digital library with the stated mission of "universal access to all knowledge". It provides free public access to collections of digitized materials, including websites, software applications/games, music, ...
Defunct aircraft manufacturers of Italy Companies based in Lazio Helicopters Manufacturing companies established in 2013 Italian companies established in 2013 2016 disestablishments in Italy