-
length of the blades. For contra-rotating
propfans,
which can be
louder than
turboprops or single-rotating
propfans,
noise can also be
lowered by: increasing...
-
driven aircraft (piston and
turboprop engines),
while two
syllable words were used for jets.
Three syllable words are for
propfans. NATO
reporting name...
- aircraft, with an
expectation that the
aircraft would use two
Progress D-27
propfans,
manufactured by
Motor Sich in Ukraine, as the powerplant. This variant...
-
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...
-
engine would have been an
estimated US$1.6
million dollars more for the
propfans than for the MD-80's
Pratt &
Whitney JT8D-200
series engines. Existing...
-
newly announced Yakovlev Yak-46
propfan airliner,
which was
similar to the Yak-42M
competitor but used two
propfans instead of
three turbofans in the...
- with
propfans, but the
Antonov An-70
aircraft would instead use the
Progress D-27,
which was a larger, more powerful, and more
advanced propfan engine...
-
General Electric Company,
doing business as GE Aerospace, is an
American aircraft engine supplier that is
headquartered in Evendale, Ohio,
outside Cincinnati...
-
aircraft in development,
including a 150-seat
aircraft powered by two
pusher propfans mounted on the rear fuselage. This
aircraft was
unnamed at the time, but...
- Rolls-Royce plc. 1986. pp. 6, 53–54. ISBN 0-902121-04-9. "Whatever
happened to
propfans?". Flight. 12 June 2007. Lauriat, T.B. (June 8–12, 1986). The AVCO-Lycoming...
