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The exhaust ports of a NK-12 in an outboard nacelle on a Tu-95. The Kuznetsov NK-12 is a Soviet turboprop engine of the 1950s, designed by the Kuznetsov design bureau.The NK-12 drives two large four-bladed contra-rotating propellers, 5.6 m (18 ft) diameter (NK-12MA), and 6.2 m (20 ft) diameter (NK-12MV).
The Douglas A2D Skyshark was an American turboprop-powered attack aircraft built by the Douglas Aircraft Company for the United States Navy.The program was substantially delayed by engine reliability problems, and was canceled because more promising jet attack aircraft had entered development and the smaller escort carriers the A2D was intended to utilize were being phased out.
The Tupolev Tu-114 Rossiya (Russian: Tyполев Тy-114 Poccия; NATO reporting name Cleat) is a retired large turboprop-powered long-range airliner designed by the Tupolev design bureau and built in the Soviet Union from May 1955. [1]
The PW150 engine was introduced on 24 April 1995, when Bombardier selected the engine for the launch of its de Havilland Dash 8-400 regional turboprop. The PW150 was a higher-power version of the PW100 series, with the low-pressure compressor changed from a single-stage centrifugal compressor to a three-stage axial compressor , and the turbine ...
The ATP was developed during the 1980s, events such as such as the 1979 oil crisis and increasing public concern regarding aircraft noise led business planners at British Aerospace to believe that there was a market for a short-range, low-noise, fuel-efficient turboprop aircraft.
It was the first turboprop aircraft that had an APU. The EMB 120 began development during 1974. While initially conceived as a modular series of aircraft, the Family 12X and referred to as the Araguaia , intending to achieve a high level of commonality with the EMB 121 Xingu , the aircraft was redesigned and relaunched with the Brasilia name ...
In 1945, the United States Navy funded the development of a turboprop engine. The T34 was produced from 1951 to 1960, but never used in U.S. Navy aircraft production. [3] The YT34 engine with three wide-bladed propellers was made for two Navy Lockheed R7V-2 Constellation (C-121s) variants, for testing. Flight tests were on 1 September 1954.
The AI-20 is a single-shaft turboprop with a ten-stage axial compressor and a three-stage power turbine, and is designed to run at a constant speed. [4] A big problem with early production engines was the poor reliability of the AI-20 engines, which had a time between overhauls (TBO) in the range of 600 to 750 hours.