Abstract: A contra-rotating propeller (CRP) offers higher propulsion efficiency compared to a single propeller. This article presents a novel underwater CRP propulsion system that integrates a ...
When lightning strikes, it rarely does so quietly—and few combat aircraft live up to that metaphor as completely as the Lockheed P-38 Lightning. With its unmistakable twin-boom silhouette, ...
Add Yahoo as a preferred source to see more of our stories on Google. GettyImages 1247904121 2 If you like outrageously long noses packed with vast, powerful engines, sleek curves, and the appearance ...
When lightning strikes, it rarely does so quietly, and few combat aircraft live up to that metaphor quite like theLockheed P-38 Lightning. Thanks to its twin-boom silhouette, concentrated nose ...
Ships do not have brakes, so reversing is how you stop, and that is where propeller handedness suddenly matters. This breaks down transverse thrust, why the stern kicks to one side, and how you can ...
The Chiefs are on the brink of history, with an opportunity to become the first team to win three consecutive championships in the NFL’s modern era. After securing back-to-back titles in 2023 and 2024 ...
Abstract: In order to better adapt to the load unbalance in the operation of a counter-rotating propeller (CRP), a novel counter-rotating axial-flux hybrid-excitation permanent magnet machine ...
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