propfan
21Contra-rotating propellers — For contra rotating marine propellors, helicopter rotors and turbine fan blades, see Contra rotating. Not to be confused with counter rotating propellers. Contra rotating propellers on a Rolls Royce–Griffon–powered P 51 unlimited racer Aircraft… …
22General Electric GE36 — The General Electric GE36 engine was an experimental aircraft engine, a hybrid between a turbofan and a turboprop, known as an Unducted Fan (UDF) or Propfan. The GE36 was developed by General Electric Aircraft Engines.A General Electric F404… …
23Scimitar propeller — A scimitar propeller is shaped like a scimitar sword, with increasing sweep along the leading edge. Typically scimitar propellers are constructed of lightweight or composite materials. The combination of light weight and efficient aerodynamics… …
24Progress D-27 — The Progress D 27 is a propfan engine that the Ivchenko Progress company developed in the 1980s for commercial and military transport aircraft. Unlike the General Electric GE 36 UDF propfan, the D 27 has a fairly conventional layout, with a… …
25CRISP — [Abkürzung für englisch counter rotating integrated shrouded propfan, »gegenläufiger ummantelter Propfan«], in Entwicklung befindlicher Antrieb für Flugzeuge, Propfan …
26Aircraft — An aircraft is a vehicle which is able to fly through the Earth s atmosphere or through any other atmosphere. Rocket vehicles are not aircraft if they are not supported by the surrounding air. All the human activity which surrounds aircraft is… …
27Turboprop — A turboprop engine is a type of aircraft powerplant that uses a gas turbine engine to drive a propeller. The gas turbine is designed specifically for this application, with almost all of its output being used to drive the propeller. The engine s… …
28Allison Engine Company — The Allison Engine Company was a U.S. aircraft engine manufacturer which was acquired by Rolls Royce plc in 1995 to become a subsidiary, Rolls Royce Corporation. With the acquisition of Allison, Rolls Royce expanded its product line to the point… …
29Boeing 7J7 — infobox Aircraft name = Boeing 7J7 type = Airliner manufacturer = Boeing Commercial Airplanes caption = Artist s concept of a Boeing 7J7 designer = first flight = introduction = produced = retired = status = Developed, never built primary user =… …
30Boeing Commercial Airplanes — Infobox Company company name = Boeing Commercial Airplanes company company type = Division foundation = 1916, Seattle, WA location = Renton, WA, USA key people = Scott Carson, CEO industry = Aerospace products = Commercial airliners revenue =… …
