November 28, 2017 by
David McHugh, THE ASSOCIATED PRESS
E-Fan X hybrid-electric technology demonstrator is anticipated to fly in 2020 with one of the aircraft’s four gas turbine engines replaced by a 2 MW electric motor.
November 13, 2017 by
Production specialists at the National Metrology Institute of Germany developed cylindrical test masses, achieving an accuracy of 2 µm to 3 µm for all geometric characteristics.