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In Case You Missed it

Taking Care of Old Pushy and Pulley

Modern propellers do a good job of converting engine horsepower into thrust, and are generally tough and sturdy. But every prop needs care. Steve Ells looks at the top prop-care tips.

Wind Tunnel

Once designers had addressed every other drag-producing aspect of the biplane, they decided to get rid of the struts and wires bracing the wings—and the switch to the monoplane was made.

Rapid Prototyping and Experimental Design

3D-printed composite part molds, part 2.

Homebuilt Accidents: Fire!

Quite possibly, your eyes glazed over‭ ‬a bit when you saw the title of...