Lift fan is an aircraft configuration in which lifting fans are located in large holes in an otherwise conventional fixed wing or fuselage. It is used...

of the F-35 Lightning II. The complete system, known as the Integrated Lift Fan Propulsion System (ILFPS), was awarded the Collier Trophy in 2001. The...

the only production aircraft to employ lift jets. Lift fan is an aircraft configuration in which lifting fans are located in large holes in an otherwise...

Vertical Landing (STOVL) variant used in the F-35B that includes a forward lift fan. The first production engines were delivered in 2009. Developed from the...

An annular lift fan aircraft is a conceptual vertical takeoff and landing (VTOL) aircraft that was first systematically and numerically investigated in...

F119, with the STOVL variant of the latter incorporating a Rolls-Royce Lift Fan module. Because these were proof of concept demonstrators for STOVL risk...

alternative to the lift jet for vertical thrust is the lift fan used on the STOVL Lockheed F-35B version of the U.S. Joint Strike Fighter. Lift fan VTOL Gunston...

A powered lift aircraft takes off and lands vertically under engine power but uses a fixed wing for horizontal flight. Like helicopters, these aircraft...

(USAF) and USMC; among key STOVL technologies explored was the shaft-driven lift fan (SDLF) system. Lockheed's concept was a single-engine canard delta aircraft...

and development. These include the Shaft-Driven Lift Fan (SDLF) by Lockheed which had a forward lift fan powered by a shaft connected to the main engine's...

Lockheed Martin in California, United States. In 1990, he invented the lift fan for the Joint Strike Fighter F-35B along with fellow Skunk Works engineer...

62.5-inch-diameter lift-fan driven by a gas generator (J85). The bpr in VTOL operation was 12.3. This tip-turbine driven lift-fan concept was turned 90...

turbofan, with a remote gas-driven fan to augment lift in the STOVL mode. This configuration was called Gas-Driven Lift Fan (GDLF). Later, General Electric...

consumption (SFC) with increasing BPR. BPR is also quoted for lift fan installations where the fan airflow is remote from the engine and doesn't physically...

low-pressure spool drives a lift fan that's engaged through a clutch; engine bypass air is also routed to roll posts for additional lift and stability. The X-35...

2021. Lam, David W. (15 April 1998). "Lift Fan Nozzle for Joint Strike Fighter Tested in NASA Lewis' Powered Lift Rig". NASA. Archived from the original...

59 m) diameter lift fan in each wing had a hinged cover on the upper wing surface which was opened for VTOL. The 36 in (0.91 m) nose fan provided adequate...

consumption (SFC) with increasing BPR. BPR can also be quoted for lift fan installations where the fan airflow is remote from the engine and doesn't flow past the...

rotor. Ducted fans are used for propulsion or direct lift in many types of vehicle including aeroplanes, airships, hovercraft, and powered lift VTOL aircraft...

both lift and forward thrust. The concept was initially developed around 1997 by designer Patrick Peebles and is under development by his company FanWing...

Honeywell RQ-16A T-Hawk (for "Tarantula hawk", a wasp species) is a ducted fan VTOL miniature UAV. Developed by Honeywell, it is suitable for backpack deployment...

runway landing. For a vertical landing it uses downward thrust from the lift fan and/or rotated jet nozzle(s), while for a runway landing the jet nozzle(s)...

six times, including in 2001 for being part of developing the X-35/F-35B LiftFan Propulsion System and most recently in 2018 for the Automatic Ground Collision...

four Rolls-Royce Proteus marine turboshaft engines each driving its own lift fan and pylon-mounted steerable propulsion propeller. The SR.N4 was the largest...

directions. The F-35B variant of the F-35 Lightning II strike fighter uses a lift fan with contra-rotating blades. Contra-rotating propellers have benefits when...

History of Aviation Spring 1961 edition Aviation Week and Space Technology, Lift-Fan Tests Show VTOL Potential. August 8, 1960 Video: Republic AP-100 model...

operational Hawker Siddeley HS 138 Strike fighter with lift fans, It was not completed Hawker Siddeley P.1017 Lift engines with thrust vectoring. It was not completed...

which comprised a remote shaft-driven lift fan powered by the main engine. However, this generated more lift thrust than possible with only direct exhaust...

continue to operate, at reduced capability, with two engines inoperable, one lift fan inoperable, and one APU inoperable. Main engines are interchangeable for...

two ducted fan thrusters located at the sides of the aft section. The lift fan and thrusters are powered by a single turboshaft turbine through three...