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...
81 KB (8,445 words) - 01:18, 18 June 2024
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...
20 KB (2,196 words) - 02:13, 8 September 2024
Yakovlev Yak-46 (category Propfan-powered aircraft)
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...
25 KB (2,397 words) - 00:13, 10 September 2024
Pratt & Whitney/Allison 578-DX (category Propfan engines)
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...
53 KB (5,339 words) - 11:50, 14 May 2024
Kuznetsov NK-93 (category Propfan engines)
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...
29 KB (2,500 words) - 04:41, 26 September 2024
McDonnell Douglas MD-90 (section Propfan engine)
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...
39 KB (4,079 words) - 17:54, 15 September 2024
General Electric GE36 (category Propfan engines)
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...
59 KB (5,649 words) - 22:21, 7 June 2024
Progress D-236 (category Propfan engines)
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...
22 KB (2,241 words) - 11:30, 22 April 2023
Progress D-27 (category Propfan engines)
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...
38 KB (3,482 words) - 16:33, 17 April 2024
Antonov An-70 (category Propfan-powered aircraft)
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...
50 KB (5,685 words) - 02:00, 8 September 2024