The A-10 Thunderbolt II has been terrorizing ground targets since the 1970s and surviving retirement proposals for almost as long. Known officially as the ...

Follow the fascinating process of assembling the WS-15 turbofan engine kit, a detailed model of the J-20 fighter jet engine. Precision, engineering, and passion come together in this incredible build.

Watch the WS15 turbofan engine model come together piece by piece. Explore the details behind this impressive J20 fighter jet ...

Rim-driven thrusters turn the normal propeller-motor arrangement inside out; rather than mounting the motor at the center of the propeller, they use a large hollow motor, with the blades attached to ...