New Atlas

Watch: World's fastest drone hits 408 mph to reclaim speed record

Luke and Mike Bell, a father-son duo from South Africa, have reclaimed the Guinness World Record for the fastest quadcopter ...
IEEE

Improvement of the Constant-Power Speed Range of Surface-Permanent Magnet Machine Using Winding Switching

Abstract: In this study, a cumulative/differential winding switching method is proposed for the extended constant power operation (CPO) of a surface-permanent magnet (SPM) machine. In this method, the ...
IEEE

Sensorless Speed and Position Identification of Rim Electromagnetic Direct-Driven Propeller Based on Sliding-Mode Observer

Abstract: Rim electromagnetic direct-driven propeller (REDP) is a propeller used in the underwater vehicle. It has many merits compared with the traditional propeller. It is difficult to utilize the ...
Globalair

Xcub Xcub for Sale

Aerista is proud to present N25FX - a machine that expands your reach. This Carbon Cub FX-3 boasts big tires, a hearty suspension setup, and a constant speed prop. Additionally, with the CubCrafters ...
Globalair

Carbon Cub Ex2 for Sale

N81UE, “Blue” is ready for her new home! This homebuilt EX-3 boasts a constant speed propeller, a G3X, Acme Suspension, and a whole bunch more. The Carbon Cub is best known for its ridiculous ...