Technical Briefs, Design Engineering News

Keyword: Vertical take-off and landing (VTOL)

Application Briefs: Aerospace

Multiple Sensors Aid in Development of an Electrical Vertical Takeoff and Landing Aircraft

Beta Technologies is putting their Electrical Vertical Takeoff and Landing aircraft (eVTOL) prototype through the wringer.

Briefs: Aerospace

Aircraft Vertical Takeoff and Landing

NASA’s Langley Research Center developed an inexpensive, long-endurance, vertical takeoff and landing (VTOL) unmanned aerial vehicle (UAV). It is capable of flying for 24 hours, landing in a 50 × 50...

Briefs: Aerospace

Vertical Take Off and Landing (VTOL) Aircraft with Vectored Thrust for Control and Continuously Variable Pitch Attitude in Hover

Most fixed-wing VTOL unmanned aerial vehicles (UAVs) take off vertically, then transition to horizontal flight. This is a new type of UAV that has unique capability. It can vary its hover position from “nose up”...

Briefs: Aerospace

VTOL UAV with the Cruise Efficiency of a Conventional Fixed-Wing UAV

NASA Langley Research Center has developed Greased Lightning, the first unmanned aerial vehicle (UAV) that combines vertical take-off and landing (VTOL) capability with...

Briefs: Aerospace

Stop-Rotor Rotary Wing Aircraft

Some unmanned aircraft designs attempt to combine the vertical takeoff and landing (VTOL) and hover capabilities of a helicopter with the increased speed and range capabilities of fixed-wing airplanes....

Briefs: Propulsion

Sea-Level Flight Demonstration Altitude Characterization of a LO2/LCH4-Based Ascent Propulsion Lander

A recently developed 1,500-lbf (6,672-N) thrust-class liquid oxygen/liquid methane (LO₂/LCH₄) rocket engine was tested at both sea level and simulated altitude conditions. Sea-level tests were conducted using both a static...