- 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...
- 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...
- Additionally, the
propfan’s short,
heavily twisted variable pitch blades closely remember the
ducted fan
blades of
turbofan engines.
Propfans are designed...
- engines,
propfans generate most of
their thrust from the
propeller and not the
exhaust jet. The
primary difference between turboprop and
propfan design...
-
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...
- 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...
-
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...
-
engines being put into service. The
Progress D-27
propfan,
developed in the U.S.S.R., was the only
propfan engine equipped on a
production aircraft. Afterburner...
- 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...
- Yak-36 – VTOL
technology demonstrator Yakovlev Yak-42LL –
Progress D-236
propfan engine testbed Yakovlev Yak-1000 –
Supersonic technology demonstrator Zveno...
