(Image credit: Wikimedia Commons) Other flying wing concepts from Northrop included the N-2B/XP-56 Black Bullet, which would be the first aircraft to utilize pusher contra-rotating propellers.

One of the latest developments is a pair of co-axial contra-rotating propellers (CRP), now at sea on two Japanese VLCCs. The CRPs are reportedly returning a gain of over 14 percent; really ...

The VLCC Cosmo Delphinus has been at sea for months fitted with the pioneer high-powered pair of contra-rotating propellers, driven by 7UEC75LSII engine of 21,400 bhp (15,435 kW). A report on the ...

Regardless of what ultimately happens with this story, the fact of the matter is that Russia’s position around the world—even after three years of crushing sanctions and attrition warfare in ...

The case of equal contra-rotating cylinders is considered first, with the stream either normal or parallel to the plane containing the axes of the cylinders. The components of the resultant force on ...

Global Sales Director Helping electronics to source high quality, competitively priced electronic components and chips ...

Student at Bahrain Polytechnic, Pursuing a degree in Mechanical Engineering ...