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Manned Systems

SAE International Extends Call for Abstracts, Seeks Submissions for AeroTech Conference

Engineering Events staff at SAE International in Warrendale, Pennsylvania, have extended the call for abstracts through September 21 for the...

Briefs
Power

Anti-Phase Noise Suppression Rotor Technologies

Acoustic optimization for anti-phase asymmetric rotor.

Briefs
Aerospace

Fixed-Wing Angle eVTOL

New design removes the need for mechanisms to perform active tilting of the wings or rotors, reducing system mass.

Briefs
Manned Systems

Improved Fixed-Wing Gust Load Alleviation Device

Gust load alleviation is an increasing concern for the design of fixed-wing aircraft with ultra-high aspect wings.

Briefs
Unmanned Systems

Experimental Assessment of Entanglement for an Unmanned Underwater Vehicle with an Open, Three-Bladed Propeller

This research evaluates the entanglement of an unmanned underwater vehicle (UUV) operating in marine vegetation common to...

Articles
Test & Measurement

Advancing Metrology at Mach Speed

Drone-mounted inspection tools are breaking barriers for the F-35.

Briefs
Manufacturing & Prototyping

Bipedal Robot Achieves Better Body Balance

A new robot developed by Caltech researchers LEO carves out a new type of locomotion somewhere between walking and flying.

5 Ws
Electronics & Computers

5 Ws of the Winged Flying Microchip

About the size of a grain of sand, the flying microchip (or microflier) does not have a motor or engine.

Briefs
Aerospace

Reverse Vortex Ring (RVR)

This mechanism improves rotordynamic stability in turbomachinery.

Briefs
Aerospace

Method Enables Wings to be De-Iced in Flight

The technique controls rather than combats ice formation.

News
Design

Quality Management Experts Provide Guidance on AS9100 Standard, Equipment Calibration

Quality management professionals across the global aerospace and defense community discuss the AS9100 international standard, audits, and equipment...

Briefs
Robotics, Automation & Control

Fabrication and Testing of High-Speed Single-Rotor and Compound-Rotor Systems

The X2 Technology Demonstrator recently achieved a level flight speed over 250 knots, proving the basic concept of the coaxial compound configuration.

News
Materials

Industry Invited to Participate in AeroTech Aerospace and Defense Technical Program

SAE International is inviting global participation in its AeroTech® aerospace and defense technology conference and exhibition, which is for the first...

Articles
Motion Control

Bipolar and Unipolar Drives for Stepper Motors: A Comparison

Learn the differences between bipolar and unipolar motors, their driving methods, and advantages and limitations.

Briefs
Automotive

Carbon Fiber/Carbon Nanotube Yarn Hybrid Reinforcement

Applications include aerospace and automotive components, prosthetics, sporting goods, and other uses where strength-to-weight ratio is important.

Briefs
Aerospace

Method Detects Onset of Destructive Oscillations in Aircraft Turbines

Early flutter detection will help in the development of safer and more eco-friendly aircraft turbines.

Briefs
Materials

Copolyimide Surface-Modifying Coating

The coating repels insects on aircraft wing surfaces and motor vehicles and reduces surface imperfections on other low-friction or non-stick surfaces.

Briefs
Energy

Winglet with Injected Flow

Injection of air at the trailing edge of a winglet further reduces drag.

News
Power

Model-Based Analysis of E-Motor Designs

In the auto industry’s shift toward electric vehicles (EV), permanent magnet motors (PMMs) are increasingly serving a variety of roles, including the vehicle’s traction motor and various...

Briefs
Unmanned Systems

Hinge Design Helps Quadrotors Climb

The new hinge is the key to get loadbearing, large quadrotors to climb a few dozen feet in seconds.

Briefs
Materials

Material Moves Wind Turbine Blades Toward Recyclability

The material can be recycled, making renewable energy more sustainable while lowering costs in the process.

Briefs
Unmanned Systems

Keeping Drones Flying When a Motor Fails

Onboard cameras can be used to keep damaged quadcopters in the air and flying stably, even without GPS.

Articles
Materials

Why Heat Exchanger Manufacturers Need to Rethink Design and Fabrication

Brazing isn't efficient, says an industry expert, and it's time for a change.

Briefs
Aerospace

Multirotor Aircraft Noise Reduction

NASA's phase-locked rotors reduce noise.

Briefs
Manufacturing & Prototyping

Self-Healing, Recyclable, Shape Memory Polymers

This versatile new material family could build realistic prosthetics and futuristic Army platforms.

Technology Report
Energy

Tula DMD Aims for More-Efficient E-Machines

The race is on among OEMs and suppliers to optimize the efficiency, performance and cost of electric-vehicle (EV) propulsion systems. Electric machines have moved to the front of the...

Briefs
Unmanned Systems

Bio-Inspired Wing Design for Small Drones

Taking a cue from birds and insects, the wing design helps drones fly more efficiently and makes them more robust to atmospheric turbulence.

Briefs
Sensors/Data Acquisition

Instrumentation for Fabrication and Testing of High-Speed Single-Rotor and Compound-Rotor Systems

To support the development of next-generation rotorcraft, precision data acquisition is required.

Application Briefs
Manufacturing & Prototyping

Rear Fuselage Packer

To date, the rear fuselage packers have been used in the production of over 500 aircraft.