- 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...
- The
McDonnell Douglas MD-94X was a
planned propfan-powered airliner,
intended to
begin production in 1994.
Announced in
January 1986, the
aircraft was...
-
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...
-
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...
- engines,
propfans generate most of
their thrust from the
propeller and not the
exhaust jet. The
primary difference between turboprop and
propfan design...
