A propfan, also called an open rotor engine, open fan engine or unducted fan (as opposed to a ducted fan), is a type of aircraft engine related in concept...

Tupolev Design Bureau introduced the Tu-334 in early 1989 as an eventual propfan-powered airliner to potentially enter service for Aeroflot in 1995. However...

with two unducted fan (UDF) or propfan engines, designated the MD-94X. Previously, an MD-81 was used as a testbed for propfan engines, such as the General...

a turbofan and a turboprop known as a propfan. The engine was designed in the 1980s to power proposed propfan aircraft such as the Boeing 7J7 and the...

design based on the Yak-42 with two contra-rotating propellers on the propfan located at the rear. The specification of the Samara turbofans was in the...

between a turbofan and a turboprop, known as an unducted fan (UDF) or propfan. The GE36 was developed by General Electric Aircraft Engines, with its...

transport aircraft, and the first aircraft to take flight powered only by propfan engines. It was developed in the late 1980s by the Antonov Design Bureau...

engines, propfans generate most of their thrust from the propeller and not the exhaust jet. The primary difference between turboprop and propfan design...

for use on the Myasishchev M-90 giant detachable aircraft. NK-63 propfan. Ducted propfan based on the NK-32. NK-64 turbofan. 350 kN intended for Tu-204...

The Progress D-27 is a three-shaft propfan engine developed by Ivchenko Progress, and manufactured by Motor Sich in Ukraine. The gas generator was designed...

Corporation. However, Boeing became increasingly interested in the latest propfan engine research that would yield large double-digit fuel savings, in particular...

The McDonnell Douglas MD-94X was a planned propfan-powered airliner, intended to begin production in 1994. Announced in January 1986, the aircraft was...

regional aircraft to be powered by a T406-derived propfan. In 1990, Allison studied a 9,000 shp (6,700 kW) propfan powerplant driving 8.5 ft diameter (2.6 m)...

known as a propfan. Also known as the Lotarev D-236T, the three-shaft geared engine was designed in the 1980s and 1990s to power proposed propfan aircraft...

turboprop known as a propfan. The engine was also unique in having a separate duct around the contra-rotating propellers, as most other propfans are unducted...

modified DC-9, propfans reached a 30% improvement.[citation needed] This efficiency comes at a price, as one of the major problems with the propfan is noise...

The Antonov An-180 was a Ukrainian design for a twin-aisle medium-range propfan airliner. Although the design was completed by the Antonov Design Bureau...

to a 9 ft diameter (2.7 m) Hamilton Standard single-rotation propfan, containing propfan blades that were swept back 45 degrees at the tips. The T56 has...

into the larger F414 turbofan, as well as the experimental GE36 civil propfan. GE developed the F404 for the F/A-18 Hornet, shortly after losing the...

Yak-36 – VTOL technology demonstrator Yakovlev Yak-42LL – Progress D-236 propfan engine testbed Yakovlev Yak-1000 – Supersonic technology demonstrator Zveno...

This list of GM engines encompasses all engines manufactured by General Motors and used in their cars. When General Motors was created in 1908, it started...

Contents 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z See also Notes References Further reading External links This is an alphabetical list...

Boeing 2707 – supersonic airliner, canceled Boeing 7J7 – high-efficiency propfan airliner, canceled Boeing 747-300 Trijet – high-efficiency trijet version...

The Rolls-Royce RB3011 (previously designated RB2011) is a prototype propfan engine in development by Rolls-Royce plc. The design is also known as an...

General Electric Company, doing business as GE Aerospace, is an American aircraft engine supplier that is headquartered in Evendale, Ohio, outside Cincinnati...

Aperture Radar' Retrieved 28 June 2011. 'Propfan Test Assessment (PTA)' NASA-CR-185138. Retrieved 28 June 2011 'Propfan Test Assessment (PTA): Flight Test Report'...

Brooklyn, SUNY Downstate Medical Center Ultra-high bypass turbofan or propfan, a type of jet engine Unhexbium, the 162nd element of extended periodic...

driven aircraft (piston and turboprop engines), while two syllable words were used for jets. Three syllable words are for propfans. NATO reporting name...

The Advanced Technology Regional Aircraft 90 (ATRA-90) was a propfan-powered regional aircraft that was proposed in 1986. Conceived by Industri Pesawat...

attractively simple configuration making use of the free turbine is the propfan engine, with a rear-mounted unducted fan in pusher configuration, rather...