Engineering
Electrification is seen as having an important role to play in the fossil-free aviation of tomorrow. But electric aviation is battling a trade-off dilemma: the more energy-efficient an electric aircraft is, the noisier it ...
Mar 15, 2023
1
66
Engineering
Electric solid propellants are being explored for use in dual-mode rocket engines because they aren't susceptible to ignite from a spark or flame and can be turned on and off electrically.
Sep 3, 2019
4
735
Engineering
EPFL startup Flybotix has developed a novel drone with just two propellers and an advanced stabilization system that allow it to fly for twice as long as conventional models. That fact, together with its small size, makes ...
Jul 15, 2019
0
638
Engineering
For dual-mode rocket engines to be successful, a propellant must function in both combustion and electric propulsion systems. Researchers from the University of Illinois at Urbana-Champaign used a salt-based propellant that ...
Sep 9, 2019
0
191
Energy & Green Tech
The experimental airplane X-57, developed by NASA, is due to fly for the first time this year. It has an impressive 14 propellers along its wings and is powered entirely by electricity. This sounds great considering we have ...
Jan 31, 2023
0
62
Engineering
Researchers have published a study revealing their successful approach to designing much quieter propellers.
Mar 10, 2021
0
158
Robotics
Drone operators struggling to fly the multi-propeller device and take pictures simultaneously could soon have a much simpler method to steering flight.
Nov 28, 2018
0
225
Engineering
To make the European maritime industry more competitive globally, innovative materials are needed to improve ships' performance and make them more environment friendly. In recent years, other industries have made a lot of ...
Apr 10, 2019
0
9
Robotics
The basic configuration of traditional propellers has not fundamentally changed since the first powered flight by the Wright brothers in 1903.
Jun 13, 2023
0
7
Engineering
In smaller spacecraft such as CubeSat satellites, a salt-based monopropellant is showing promise. It can be used both in high-thrust chemical propulsion for fast time-sensitive maneuvers, and electric mode for slow maneuvers, ...
Aug 13, 2020
0
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